X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Ftests%2Fconf-sanity.sh;h=7e0785968525f87670ed1cb5953f57f4d3cf70b4;hp=b7c89ee4a4a752696c2b7507326b85f6bec53638;hb=b3d388e60a5bc2b7b091814e1338f9f0bebfa416;hpb=e8e6e3210e5eae78eefcc3f05e078a60c04dc80e

diff --git a/lustre/tests/conf-sanity.sh b/lustre/tests/conf-sanity.sh
index b7c89ee..7e07859 100644
--- a/lustre/tests/conf-sanity.sh
+++ b/lustre/tests/conf-sanity.sh
@@ -4,13 +4,19 @@ set -e
 
 ONLY=${ONLY:-"$*"}
 
-# bug number for skipped test:  LU-8972
-ALWAYS_EXCEPT="$CONF_SANITY_EXCEPT 101"
+# bug number for skipped test:
+ALWAYS_EXCEPT="$CONF_SANITY_EXCEPT"
 # UPDATE THE COMMENT ABOVE WITH BUG NUMBERS WHEN CHANGING ALWAYS_EXCEPT!
 
 # bug number for skipped test:
 # a tool to create lustre filesystem images
 ALWAYS_EXCEPT="32newtarball $ALWAYS_EXCEPT"
+if $SHARED_KEY; then
+# bug number for skipped tests:		LU-9795	(all below)
+	ALWAYS_EXCEPT="$ALWAYS_EXCEPT	0	31	32a	32d	35a"
+	ALWAYS_EXCEPT="$ALWAYS_EXCEPT	53a	53b	54b	76a	76b"
+	ALWAYS_EXCEPT="$ALWAYS_EXCEPT	76c	76d	78	103"
+fi
 
 SRCDIR=$(dirname $0)
 PATH=$PWD/$SRCDIR:$SRCDIR:$SRCDIR/../utils:$PATH
@@ -43,13 +49,14 @@ MDSDEV1_2=$fs2mds_DEV
 OSTDEV1_2=$fs2ost_DEV
 OSTDEV2_2=$fs3ost_DEV
 
+# bug number for skipped test: LU-11915
+ALWAYS_EXCEPT="$ALWAYS_EXCEPT   110"
+
 if ! combined_mgs_mds; then
-	# bug number for skipped test: LU-9860 LU-9860 LU-9860
-	ALWAYS_EXCEPT="$ALWAYS_EXCEPT  43b     53b     54b"
-	# bug number for skipped test: LU-9875 LU-9879 LU-9879 LU-9879 LU-9879
-	ALWAYS_EXCEPT="$ALWAYS_EXCEPT  70e     80      84      87      100"
-	# bug number for skipped test: LU-8110 LU-9879 LU-9879 LU-9879
-	ALWAYS_EXCEPT="$ALWAYS_EXCEPT  102     104     105     107"
+	# bug number for skipped test: LU-11991			LU-11990
+	ALWAYS_EXCEPT="$ALWAYS_EXCEPT  32a 32b 32c 32d 32e	66"
+	# bug number for skipped test: LU-9897	LU-12032
+	ALWAYS_EXCEPT="$ALWAYS_EXCEPT  84	123F"
 fi
 
 # pass "-E lazy_itable_init" to mke2fs to speed up the formatting time
@@ -57,19 +64,14 @@ if [[ "$LDISKFS_MKFS_OPTS" != *lazy_itable_init* ]]; then
 	LDISKFS_MKFS_OPTS=$(csa_add "$LDISKFS_MKFS_OPTS" -E lazy_itable_init)
 fi
 
-[ $(facet_fstype $SINGLEMDS) = "zfs" ] &&
-# bug number for skipped test:
-	ALWAYS_EXCEPT="$ALWAYS_EXCEPT"
-# UPDATE THE COMMENT ABOVE WITH BUG NUMBERS WHEN CHANGING ALWAYS_EXCEPT!
-
 init_logging
 
 #
 require_dsh_mds || exit 0
 require_dsh_ost || exit 0
 
-#                                  8  22   (min)"
-[ "$SLOW" = "no" ] && EXCEPT_SLOW="45 69"
+#                                  8  22  40  165  (min)
+[ "$SLOW" = "no" ] && EXCEPT_SLOW="45 69 106 111"
 
 assert_DIR
 
@@ -269,6 +271,10 @@ check_mount2() {
 	echo "setup double mount lustre success"
 }
 
+generate_name() {
+	cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w $1 | head -n 1
+}
+
 build_test_filter
 
 if [ "$ONLY" == "setup" ]; then
@@ -469,10 +475,7 @@ test_5e() {
 run_test 5e "delayed connect, don't crash (bug 10268)"
 
 test_5f() {
-	if combined_mgs_mds ; then
-		skip "needs separate mgs and mds"
-		return 0
-	fi
+	combined_mgs_mds && skip "needs separate mgs and mds"
 
 	grep " $MOUNT " /etc/mtab &&
 		error false "unexpected entry in mtab before mount" && return 10
@@ -508,7 +511,7 @@ run_test 5f "mds down, cleanup after failed mount (bug 2712)"
 test_5g() {
 	modprobe lustre
 	[ $(lustre_version_code client) -lt $(version_code 2.9.53) ] &&
-		{ skip "automount of debugfs missing before 2.9.53" && return 0; }
+		skip "automount of debugfs missing before 2.9.53"
 	umount /sys/kernel/debug
 	$LCTL get_param -n devices | egrep -v "error" && \
 		error "lctl can't access debugfs data"
@@ -516,6 +519,32 @@ test_5g() {
 }
 run_test 5g "handle missing debugfs"
 
+test_5h() {
+	setup
+
+	stop mds1
+	#define OBD_FAIL_MDS_FS_SETUP            0x135
+	do_facet mds1 "$LCTL set_param fail_loc=0x80000135"
+	start_mdt 1 && error "start mdt should fail"
+	start_mdt 1 || error "start mdt failed"
+	client_up || error "client_up failed"
+	cleanup
+}
+run_test 5h "start mdt failure at mdt_fs_setup()"
+
+test_5i() {
+	setup
+
+	stop mds1
+	#define OBD_FAIL_QUOTA_INIT              0xA05
+	do_facet mds1 "$LCTL set_param fail_loc=0x80000A05"
+	start_mdt 1 && error "start mdt should fail"
+	start_mdt 1 || error "start mdt failed"
+	client_up || error "client_up failed"
+	cleanup
+}
+run_test 5i "start mdt failure at mdt_quota_init()"
+
 test_6() {
 	setup
 	manual_umount_client
@@ -576,7 +605,6 @@ run_test 9 "test ptldebug and subsystem for mkfs"
 test_17() {
 	if [ $(facet_fstype $SINGLEMDS) != ldiskfs ]; then
 		skip "ldiskfs only test"
-		return
 	fi
 
 	setup
@@ -605,7 +633,6 @@ run_test 17 "Verify failed mds_postsetup won't fail assertion (2936) (should ret
 test_18() {
 	if [ $(facet_fstype $SINGLEMDS) != ldiskfs ]; then
 		skip "ldiskfs only test"
-		return
 	fi
 
 	local MDSDEV=$(mdsdevname ${SINGLEMDS//mds/})
@@ -644,7 +671,7 @@ test_18() {
 			log "use file $MDSDEV with MIN=$MIN"
 	fi
 
-	[ -z "$OK" ] && skip_env "$MDSDEV too small for ${MIN}kB MDS" && return
+	[ -z "$OK" ] && skip_env "$MDSDEV too small for ${MIN}kB MDS"
 
 	echo "mount mds with large journal..."
 
@@ -735,12 +762,10 @@ test_21c() {
 run_test 21c "start mds between two osts, stop mds last"
 
 test_21d() {
-        if combined_mgs_mds ; then
-                skip "need separate mgs device" && return 0
-        fi
-        stopall
+	combined_mgs_mds && skip "need separate mgs device"
 
-        reformat
+	stopall
+	reformat
 
 	start_mgs || error "unable to start MGS"
 	start_ost || error "unable to start OST1"
@@ -768,7 +793,7 @@ cleanup_21e() {
 test_21e() { # LU-5863
 	if [[ -z "$fs3ost_DEV" || -z "$fs2ost_DEV" || -z "$fs2mds_DEV" ]]; then
 		is_blkdev $SINGLEMDS $(mdsdevname ${SINGLEMDS//mds/}) &&
-		skip_env "mixed loopback and real device not working" && return
+		skip_env "mixed loopback and real device not working"
 	fi
 
 	local fs2mdsdev=$(mdsdevname 1_2)
@@ -837,7 +862,7 @@ test_22() {
 	fi
 	mount_client $MOUNT || error "mount_client $MOUNT failed"
 	wait_osc_import_state mds ost FULL
-	wait_osc_import_state client ost FULL
+	wait_osc_import_ready client ost
 	check_mount || error "check_mount failed"
 	pass
 
@@ -914,7 +939,7 @@ test_24a() {
 
 	if [ -z "$fs2ost_DEV" -o -z "$fs2mds_DEV" ]; then
 		is_blkdev $SINGLEMDS $MDSDEV &&
-		skip_env "mixed loopback and real device not working" && return
+		skip_env "mixed loopback and real device not working"
 	fi
 
 	[ -n "$ost1_HOST" ] && fs2ost_HOST=$ost1_HOST
@@ -978,12 +1003,14 @@ run_test 24a "Multiple MDTs on a single node"
 
 test_24b() {
 	local MDSDEV=$(mdsdevname ${SINGLEMDS//mds/})
+	combined_mgs_mds ||
+		skip "needs combined MGT and MDT device"
 
 	if [ -z "$fs2mds_DEV" ]; then
 		local dev=${SINGLEMDS}_dev
 		local MDSDEV=${!dev}
 		is_blkdev $SINGLEMDS $MDSDEV &&
-		skip_env "mixed loopback and real device not working" && return
+		skip_env "mixed loopback and real device not working"
 	fi
 
 	local fs2mdsdev=$(mdsdevname 1_2)
@@ -992,15 +1019,17 @@ test_24b() {
 	add fs2mds $(mkfs_opts mds1 ${fs2mdsdev} ) --mgs --fsname=${FSNAME}2 \
 		--reformat $fs2mdsdev $fs2mdsvdev || exit 10
 	setup
-	start fs2mds $fs2mdsdev $MDS_MOUNT_OPTS &&
+	start fs2mds $fs2mdsdev $MDS_MOUNT_OPTS && {
+		cleanup
 		error "start MDS should fail"
+	}
 	stop fs2mds -f
 	cleanup || error "cleanup failed with rc $?"
 }
 run_test 24b "Multiple MGSs on a single node (should return err)"
 
 test_25() {
-	setup
+	setup_noconfig
 	check_mount || error "check_mount failed"
 	local MODULES=$($LCTL modules | awk '{ print $2 }')
 	rmmod $MODULES 2>/dev/null || true
@@ -1026,68 +1055,76 @@ test_26() {
 run_test 26 "MDT startup failure cleans LOV (should return errs)"
 
 test_27a() {
+	cleanup
 	start_ost || error "Unable to start OST1"
 	start_mds || error "Unable to start MDS"
 	echo "Requeue thread should have started: "
 	ps -e | grep ll_cfg_requeue
-	set_conf_param_and_check ost1					      \
-	   "$LCTL get_param -n obdfilter.$FSNAME-OST0000.client_cache_seconds" \
-	   "$FSNAME-OST0000.ost.client_cache_seconds" ||
-		error "set_conf_param_and_check ost1 failed"
+	set_persistent_param_and_check ost1			\
+	   "obdfilter.$FSNAME-OST0000.client_cache_seconds"	\
+	   "$FSNAME-OST0000.ost.client_cache_seconds"
 	cleanup_nocli || error "cleanup_nocli failed with rc $?"
 }
 run_test 27a "Reacquire MGS lock if OST started first"
 
 test_27b() {
 	# FIXME. ~grev
-	setup
+	setup_noconfig
 	local device=$(do_facet $SINGLEMDS "$LCTL get_param -n devices" |
 			awk '($3 ~ "mdt" && $4 ~ "MDT0000") { print $4 }')
 
 	facet_failover $SINGLEMDS
-	set_conf_param_and_check $SINGLEMDS				\
-		"$LCTL get_param -n mdt.$device.identity_acquire_expire" \
-		"$device.mdt.identity_acquire_expire" ||
-		error "set_conf_param_and_check $SINGLEMDS failed"
-	set_conf_param_and_check client				 \
-		"$LCTL get_param -n mdc.$device-mdc-*.max_rpcs_in_flight"\
-		"$device.mdc.max_rpcs_in_flight" ||
-		error "set_conf_param_and_check client failed"
+	set_persistent_param_and_check $SINGLEMDS	\
+		"mdt.$device.identity_acquire_expire"	\
+		"$device.mdt.identity_acquire_expire"
+	set_persistent_param_and_check client		\
+		"mdc.$device-mdc-*.max_rpcs_in_flight"	\
+		"$device.mdc.max_rpcs_in_flight"
 	check_mount
 	cleanup || error "cleanup failed with $?"
 }
 run_test 27b "Reacquire MGS lock after failover"
 
 test_28A() { # was test_28
-	setup
-	TEST="$LCTL get_param -n llite.$FSNAME-*.max_read_ahead_whole_mb"
-	PARAM="$FSNAME.llite.max_read_ahead_whole_mb"
-	ORIG=$($TEST)
-	FINAL=$(($ORIG + 1))
-	set_conf_param_and_check client "$TEST" "$PARAM" $FINAL ||
-		error "first set_conf_param_and_check client failed"
-	FINAL=$(($FINAL + 1))
-	set_conf_param_and_check client "$TEST" "$PARAM" $FINAL ||
-		error "second set_conf_param_and_check client failed"
+	setup_noconfig
+
+	local TEST="llite.$FSNAME-*.max_read_ahead_whole_mb"
+	local PARAM="$FSNAME.llite.max_read_ahead_whole_mb"
+	local orig=$($LCTL get_param -n $TEST)
+	local max=$($LCTL get_param -n \
+			llite.$FSNAME-*.max_read_ahead_per_file_mb)
+
+	orig=${orig%%.[0-9]*}
+	max=${max%%.[0-9]*}
+	echo "ORIG:$orig MAX:$max"
+	[[ $max -le $orig ]] && orig=$((max - 3))
+	echo "ORIG:$orig MAX:$max"
+
+	local final=$((orig + 1))
+
+	set_persistent_param_and_check client "$TEST" "$PARAM" $final
+	final=$((final + 1))
+	set_persistent_param_and_check client "$TEST" "$PARAM" $final
 	umount_client $MOUNT || error "umount_client $MOUNT failed"
 	mount_client $MOUNT || error "mount_client $MOUNT failed"
-	RESULT=$($TEST)
-	if [ $RESULT -ne $FINAL ]; then
-		error "New config not seen: wanted $FINAL got $RESULT"
+
+	local result=$($LCTL get_param -n $TEST)
+
+	if [ $result -ne $final ]; then
+		error "New config not seen: wanted $final got $result"
 	else
-		echo "New config success: got $RESULT"
+		echo "New config success: got $result"
 	fi
-	set_conf_param_and_check client "$TEST" "$PARAM" $ORIG ||
-		error "third set_conf_param_and_check client failed"
+	set_persistent_param_and_check client "$TEST" "$PARAM" $orig
 	cleanup || error "cleanup failed with rc $?"
 }
 run_test 28A "permanent parameter setting"
 
 test_28a() { # LU-4221
 	[[ $(lustre_version_code ost1) -ge $(version_code 2.5.52) ]] ||
-		{ skip "Need OST version at least 2.5.52" && return 0; }
+		skip "Need OST version at least 2.5.52"
 	[ "$(facet_fstype ost1)" = "zfs" ] &&
-		skip "LU-4221: no such proc params for ZFS OSTs" && return
+		skip "LU-4221: no such proc params for ZFS OSTs"
 
 	local name
 	local param
@@ -1096,80 +1133,59 @@ test_28a() { # LU-4221
 	local new
 	local device="$FSNAME-OST0000"
 
-	setup
+	setup_noconfig
 
 	# In this test we will set three kinds of proc parameters with
-	# lctl conf_param:
-	# 1. the ones moved from the OFD to the OSD, and only their
-	#    symlinks kept in obdfilter
-	# 2. non-symlink ones in the OFD
-	# 3. non-symlink ones in the OSD
+	# lctl set_param -P or lctl conf_param:
+	# 1. non-symlink ones in the OFD
+	# 2. non-symlink ones in the OSD
 
 	# Check 1.
-	# prepare a symlink parameter in the OFD
-	name="writethrough_cache_enable"
-	param="$device.ost.$name"
-	cmd="$LCTL get_param -n obdfilter.$device.$name"
-
-	# conf_param the symlink parameter in the OFD
-	old=$(do_facet ost1 $cmd)
-	new=$(((old + 1) % 2))
-	set_conf_param_and_check ost1 "$cmd" "$param" $new ||
-		error "lctl conf_param $device.ost.$param=$new failed"
-
-	# conf_param the target parameter in the OSD
-	param="$device.osd.$name"
-	cmd="$LCTL get_param -n osd-*.$device.$name"
-	set_conf_param_and_check ost1 "$cmd" "$param" $old ||
-		error "lctl conf_param $device.osd.$param=$old failed"
-
-	# Check 2.
 	# prepare a non-symlink parameter in the OFD
 	name="client_cache_seconds"
 	param="$device.ost.$name"
-	cmd="$LCTL get_param -n obdfilter.$device.$name"
+	cmd="obdfilter.$device.$name"
 
-	# conf_param the parameter in the OFD
-	old=$(do_facet ost1 $cmd)
+	# permanently setting the parameter in the OFD
+	old=$(do_facet ost1 $LCTL get_param -n $cmd)
 	new=$((old * 2))
-	set_conf_param_and_check ost1 "$cmd" "$param" $new ||
-		error "lctl conf_param $device.ost.$param=$new failed"
-	set_conf_param_and_check ost1 "$cmd" "$param" $old ||
-		error "lctl conf_param $device.ost.$param=$old failed"
+	set_persistent_param_and_check ost1 "$cmd" "$param" $new
+	set_persistent_param_and_check ost1 "$cmd" "$param" $old
 
-	# Check 3.
+	# Check 2.
 	# prepare a non-symlink parameter in the OSD
 	name="auto_scrub"
 	param="$device.osd.$name"
-	cmd="$LCTL get_param -n osd-*.$device.$name"
+	cmd="osd-*.$device.$name"
 
 	# conf_param the parameter in the OSD
-	old=$(do_facet ost1 $cmd)
+	old=$(do_facet ost1 $LCTL get_param -n $cmd)
 	new=$(((old + 1) % 2))
-	set_conf_param_and_check ost1 "$cmd" "$param" $new ||
-		error "lctl conf_param $device.osd.$param=$new failed"
-	set_conf_param_and_check ost1 "$cmd" "$param" $old ||
-		error "lctl conf_param $device.osd.$param=$old failed"
+	set_persistent_param_and_check ost1 "$cmd" "$param" $new
+	set_persistent_param_and_check ost1 "$cmd" "$param" $old
 
 	cleanup || error "cleanup failed with $?"
 }
-run_test 28a "set symlink parameters permanently with conf_param"
+run_test 28a "set symlink parameters permanently with lctl"
 
 test_29() {
-	[ "$OSTCOUNT" -lt "2" ] && skip_env "needs >= 2 OSTs" && return
-        setup > /dev/null 2>&1
+	[ "$OSTCOUNT" -lt "2" ] && skip_env "needs >= 2 OSTs"
+	setup_noconfig > /dev/null 2>&1
 	start_ost2 || error "Unable to start OST2"
 	sleep 10
 
 	local PARAM="$FSNAME-OST0001.osc.active"
-        local PROC_ACT="osc.$FSNAME-OST0001-osc-[^M]*.active"
-        local PROC_UUID="osc.$FSNAME-OST0001-osc-[^M]*.ost_server_uuid"
-
-        ACTV=$($LCTL get_param -n $PROC_ACT)
+	# With lctl set_param -P the value $PROC_ACT will be sent to
+	# all nodes. The [!M] filter out the ability to set active
+	# on the MDS servers which is tested with wait_osp_* below.
+	# For ost_server_uuid that only exist on client so filtering
+	# is safe.
+	local PROC_ACT="osc.$FSNAME-OST0001-osc-[^M]*.active"
+	local PROC_UUID="osc.$FSNAME-OST0001-osc-[^M]*.ost_server_uuid"
+
+	ACTV=$($LCTL get_param -n $PROC_ACT)
 	DEAC=$((1 - $ACTV))
-	set_conf_param_and_check client \
-		"$LCTL get_param -n $PROC_ACT" "$PARAM" $DEAC ||
-		error "set_conf_param_and_check client failed"
+	set_persistent_param_and_check client $PROC_ACT $PARAM $DEAC
 	# also check ost_server_uuid status
 	RESULT=$($LCTL get_param -n $PROC_UUID | grep DEACTIV)
 	if [ -z "$RESULT" ]; then
@@ -1185,17 +1201,18 @@ test_29() {
 	# test new client starts deactivated
 	umount_client $MOUNT || error "umount_client $MOUNT failed"
 	mount_client $MOUNT || error "mount_client $MOUNT failed"
-	RESULT=$($LCTL get_param -n $PROC_UUID | grep DEACTIV | grep NEW)
-	if [ -z "$RESULT" ]; then
-		error "New client start active: $(lctl get_param -n $PROC_UUID)"
-	else
-		echo "New client success: got $RESULT"
-	fi
+
+	# the 2nd and 3rd field of ost_server_uuid do not update at the same
+	# time when using lctl set_param -P
+	wait_update_facet client					\
+		"$LCTL get_param -n $PROC_UUID | awk '{print \\\$3 }'"	\
+		"DEACTIVATED" ||
+		error "New client start active: $($LCTL get_param -n $PROC_UUID)"
+
+	echo "New client success: got '$($LCTL get_param -n $PROC_UUID)'"
 
 	# make sure it reactivates
-	set_conf_param_and_check client \
-		"$LCTL get_param -n $PROC_ACT" "$PARAM" $ACTV ||
-		error "lctl get_param $PROC_ACT $PARAM $ACTV failed"
+	set_persistent_param_and_check client $PROC_ACT $PARAM $ACTV
 
 	umount_client $MOUNT
 	stop_ost2 || error "Unable to stop OST2"
@@ -1206,41 +1223,47 @@ test_29() {
 run_test 29 "permanently remove an OST"
 
 test_30a() {
-	setup
+	setup_noconfig
 
 	echo Big config llog
-	TEST="$LCTL get_param -n llite.$FSNAME-*.max_read_ahead_whole_mb"
-	ORIG=$($TEST)
+	TEST="llite.$FSNAME-*.max_read_ahead_whole_mb"
+	ORIG=$($LCTL get_param -n $TEST)
 	LIST=(1 2 3 4 5 4 3 2 1 2 3 4 5 4 3 2 1 2 3 4 5)
 	for i in ${LIST[@]}; do
-		set_conf_param_and_check client "$TEST" \
-			"$FSNAME.llite.max_read_ahead_whole_mb" $i ||
-			error "Set $FSNAME.llite.max_read_ahead_whole_mb failed"
+		set_persistent_param_and_check client "$TEST" \
+			"$FSNAME.llite.max_read_ahead_whole_mb" $i
 	done
 	# make sure client restart still works
 	umount_client $MOUNT
 	mount_client $MOUNT || error "mount_client $MOUNT failed"
-	[ "$($TEST)" -ne "$i" ] &&
+	[ "$($LCTL get_param -n $TEST)" -ne "$i" ] &&
 		error "Param didn't stick across restart $($TEST) != $i"
 	pass
 
 	echo Erase parameter setting
-	do_facet mgs "$LCTL conf_param \
-		      -d $FSNAME.llite.max_read_ahead_whole_mb" ||
-		error "Erase param $FSNAME.llite.max_read_ahead_whole_mb failed"
+	if [[ $PERM_CMD == *"set_param -P"* ]]; then
+		do_facet mgs "$PERM_CMD -d $TEST" ||
+			error "Erase param $TEST failed"
+	else
+		do_facet mgs "$PERM_CMD \
+			      -d $FSNAME.llite.max_read_ahead_whole_mb" ||
+			error "Erase param $FSNAME.llite.max_read_ahead_whole_mb failed"
+	fi
 	umount_client $MOUNT
 	mount_client $MOUNT || error "mount_client $MOUNT failed"
-	FINAL=$($TEST)
+	FINAL=$($LCTL get_param -n $TEST)
 	echo "deleted (default) value=$FINAL, orig=$ORIG"
+	ORIG=${ORIG%%.[0-9]*}
+	FINAL=${FINAL%%.[0-9]*}
 	# assumes this parameter started at the default value
 	[ "$FINAL" -eq "$ORIG" ] || fail "Deleted value=$FINAL, orig=$ORIG"
 
 	cleanup || error "cleanup failed with rc $?"
 }
-run_test 30a "Big config llog and conf_param deletion"
+run_test 30a "Big config llog and permanent parameter deletion"
 
 test_30b() {
-	setup
+	setup_noconfig
 
 	local orignids=$($LCTL get_param -n \
 		osc.$FSNAME-OST0000-osc-[^M]*.import | grep failover_nids)
@@ -1259,26 +1282,39 @@ test_30b() {
 
 	local TEST="$LCTL get_param -n osc.$FSNAME-OST0000-osc-[^M]*.import |
 		grep failover_nids | sed -n 's/.*\($NEW\).*/\1/p'"
-	set_conf_param_and_check client "$TEST" \
-		"$FSNAME-OST0000.failover.node" $NEW ||
-		error "didn't add failover nid $NEW"
+	if [[ $PERM_CMD == *"set_param -P"* ]]; then
+		PARAM="osc.$FSNAME-OST0000-osc-[^M]*.import"
+		echo "Setting $PARAM from $TEST to $NEW"
+		do_facet mgs "$PERM_CMD $PARAM='connection=$NEW'" ||
+			error "$PERM_CMD $PARAM failed"
+	else
+		PARAM="$FSNAME-OST0000.failover.node"
+		echo "Setting $PARAM from $TEST to $NEW"
+		do_facet mgs "$PERM_CMD $PARAM='$NEW'" ||
+			error "$PARAM $PARAM failed"
+	fi
+	wait_update_facet client "$TEST" "$NEW" ||
+		error "check $PARAM failed!"
+
 	local NIDS=$($LCTL get_param -n osc.$FSNAME-OST0000-osc-[^M]*.import |
 		grep failover_nids)
-	echo $NIDS
 	local NIDCOUNT=$(echo "$NIDS" | wc -w)
 	echo "should have $((orignidcount + 1)) entries \
 		in failover nids string, have $NIDCOUNT"
 	[ $NIDCOUNT -eq $((orignidcount + 1)) ] ||
 		error "Failover nid not added"
 
-	do_facet mgs "$LCTL conf_param -d $FSNAME-OST0000.failover.node" ||
-		error "conf_param delete failed"
+	if [[ $PERM_CMD == *"set_param -P"* ]]; then
+		do_facet mgs "$PERM_CMD -d osc.$FSNAME-OST0000-osc-*.import"
+	else
+		do_facet mgs "$PERM_CMD -d $FSNAME-OST0000.failover.node" ||
+			error "$PERM_CMD delete failed"
+	fi
 	umount_client $MOUNT
 	mount_client $MOUNT || error "mount_client $MOUNT failed"
 
 	NIDS=$($LCTL get_param -n osc.$FSNAME-OST0000-osc-[^M]*.import |
 		grep failover_nids)
-	echo $NIDS
 	NIDCOUNT=$(echo "$NIDS" | wc -w)
 	echo "only $orignidcount final entries should remain \
 		in failover nids string, have $NIDCOUNT"
@@ -1441,28 +1477,19 @@ test_32newtarball() {
 # variable "tarballs".
 #
 t32_check() {
+	[ "$CLIENTONLY" ] && skip "Client-only testing"
+
 	local node=$(facet_active_host $SINGLEMDS)
 	local r="do_node $node"
 
-	if [ "$CLIENTONLY" ]; then
-		skip "Client-only testing"
-		exit 0
-	fi
-
-	if ! $r which $TUNEFS; then
-		skip_env "tunefs.lustre required on $node"
-		exit 0
-	fi
+	! $r which "$TUNEFS" && skip_env "tunefs.lustre required on $node"
 
 	local IMGTYPE=$(facet_fstype $SINGLEMDS)
 
 	tarballs=$($r find $RLUSTRE/tests -maxdepth 1 \
 		   -name \'disk*-$IMGTYPE.tar.bz2\')
 
-	if [ -z "$tarballs" ]; then
-		skip "No applicable tarballs found"
-		exit 0
-	fi
+	[ -z "$tarballs" ] && skip "No applicable tarballs found"
 }
 
 t32_test_cleanup() {
@@ -1560,7 +1587,7 @@ t32_wait_til_devices_gone() {
 }
 
 t32_verify_quota() {
-	local node=$1
+	local facet=$1
 	local fsname=$2
 	local mnt=$3
 	local fstype=$(facet_fstype $SINGLEMDS)
@@ -1572,7 +1599,7 @@ t32_verify_quota() {
 	# verification in 32b. The object quota usage should be accurate after
 	# zfs-0.7.0 is released.
 	[ $fstype == "zfs" ] && {
-		local zfs_version=$(do_node $node cat /sys/module/zfs/version)
+		local zfs_version=$(do_facet $facet cat /sys/module/zfs/version)
 
 		[ $(version_code $zfs_version) -lt $(version_code 0.7.0) ] && {
 			echo "Skip quota verify for zfs: $zfs_version"
@@ -1618,21 +1645,13 @@ t32_verify_quota() {
 		return 1
 	}
 
-	do_node $node $LCTL conf_param $fsname.quota.mdt=ug
-	cmd="$LCTL get_param -n osd-$fstype.$fsname-MDT0000"
-	cmd=$cmd.quota_slave.enabled
-	wait_update $node "$cmd" "ug" || {
-		echo "Enable mdt quota failed"
-		return 1
-	}
+	set_persistent_param_and_check $facet \
+		"osd-$fstype.$fsname-MDT0000.quota_slave.enabled" \
+		"$fsname.quota.mdt" ug
 
-	do_node $node $LCTL conf_param $fsname.quota.ost=ug
-	cmd="$LCTL get_param -n osd-$fstype.$fsname-OST0000"
-	cmd=$cmd.quota_slave.enabled
-	wait_update $node "$cmd" "ug" || {
-		echo "Enable ost quota failed"
-		return 1
-	}
+	set_persistent_param_and_check $facet \
+		"osd-$fstype.$fsname-OST0000.quota_slave.enabled" \
+		"$fsname.quota.ost" ug
 
 	chmod 0777 $mnt
 	runas -u $T32_QID -g $T32_QID dd if=/dev/zero of=$mnt/t32_qf_new \
@@ -1792,8 +1811,8 @@ t32_test() {
 	else
 		if [ -n "$($LCTL list_nids | grep -v '\(tcp\|lo\)[[:digit:]]*$')" ]; then
 			[[ $(lustre_version_code mgs) -ge $(version_code 2.3.59) ]] ||
-			{ skip "LU-2200: Cannot run over Inifiniband w/o lctl replace_nids "
-				"(Need MGS version at least 2.3.59)"; return 0; }
+			skip "LU-2200: Cannot run over IB w/o lctl replace_nids "
+				"(Need MGS version at least 2.3.59)"
 
 			local osthost=$(facet_active_host ost1)
 			local ostnid=$(do_node $osthost $LCTL list_nids | head -1)
@@ -1915,34 +1934,64 @@ t32_test() {
 		return 1
 	fi
 
-	$r $LCTL conf_param $fsname-OST0000.osc.max_dirty_mb=15 || {
-		error_noexit "Setting \"max_dirty_mb\""
-		return 1
-	}
-	$r $LCTL conf_param $fsname-OST0000.failover.node=$nid || {
-		error_noexit "Setting OST \"failover.node\""
-		return 1
-	}
-	$r $LCTL conf_param $fsname-MDT0000.mdc.max_rpcs_in_flight=9 || {
-		error_noexit "Setting \"max_rpcs_in_flight\""
-		return 1
-	}
-	$r $LCTL conf_param $fsname-MDT0000.failover.node=$nid || {
-		error_noexit "Setting MDT \"failover.node\""
-		return 1
-	}
+	if [[ $PERM_CMD == *"set_param -P"* ]]; then
+		$r $PERM_CMD osc.$fsname-OST0000*.import=connection=$nid || {
+			error_noexit "Setting OST \"failover.node\""
+			return 1
+		}
+		$r $PERM_CMD mdc.$fsname-MDT0000*.import=connection=$nid || {
+			error_noexit "Setting MDT \"failover.node\""
+			return 1
+		}
+		$r $PERM_CMD osc.$fsname-OST0000-*.max_dirty_mb=15 || {
+			error_noexit "Setting \"max_dirty_mb\""
+			return 1
+		}
+		$r $PERM_CMD mdc.$fsname-MDT0000-*.max_rpcs_in_flight=9 || {
+			error_noexit "Setting \"max_rpcs_in_flight\""
+			return 1
+		}
+		$r $PERM_CMD lov.$fsname-MDT0000-*.stripesize=4M || {
+			error_noexit "Setting \"lov.stripesize\""
+			return 1
+		}
+		$r $PERM_CMD mdd.$fsname-MDT0000-*.atime_diff=70 || {
+			error_noexit "Setting \"mdd.atime_diff\""
+			return 1
+		}
+	else
+		$r $PERM_CMD $fsname-OST0000.failover.node=$nid || {
+			error_noexit "Setting OST \"failover.node\""
+			return 1
+		}
+
+		$r $PERM_CMD $fsname-MDT0000.failover.node=$nid || {
+			error_noexit "Setting MDT \"failover.node\""
+			return 1
+		}
+
+		$r $PERM_CMD $fsname-OST0000.osc.max_dirty_mb=15 || {
+			error_noexit "Setting \"max_dirty_mb\""
+			return 1
+		}
+		$r $PERM_CMD $fsname-MDT0000.mdc.max_rpcs_in_flight=9 || {
+			error_noexit "Setting \"max_rpcs_in_flight\""
+			return 1
+		}
+		$r $PERM_CMD $fsname-MDT0000.lov.stripesize=4M || {
+			error_noexit "Setting \"lov.stripesize\""
+			return 1
+		}
+		$r $PERM_CMD $fsname-MDT0000.mdd.atime_diff=70 || {
+			error_noexit "Setting \"mdd.atime_diff\""
+			return 1
+		}
+	fi
+
 	$r $LCTL pool_new $fsname.interop || {
 		error_noexit "Setting \"interop\""
 		return 1
 	}
-	$r $LCTL conf_param $fsname-MDT0000.lov.stripesize=4M || {
-		error_noexit "Setting \"lov.stripesize\""
-		return 1
-	}
-	$r $LCTL conf_param $fsname-MDT0000.mdd.atime_diff=70 || {
-		error_noexit "Setting \"mdd.atime_diff\""
-		return 1
-	}
 
 	if [ "$ff_convert" != "no" -a $(facet_fstype ost1) == "ldiskfs" ]; then
 		$r $LCTL lfsck_start -M $fsname-OST0000 || {
@@ -1969,19 +2018,34 @@ t32_test() {
 	fi
 
 	if [ "$dne_upgrade" != "no" ]; then
-		$r $LCTL conf_param \
-				$fsname-MDT0001.mdc.max_rpcs_in_flight=9 || {
-			error_noexit "Setting MDT1 \"max_rpcs_in_flight\""
-			return 1
-		}
-		$r $LCTL conf_param $fsname-MDT0001.failover.node=$nid || {
-			error_noexit "Setting MDT1 \"failover.node\""
-			return 1
-		}
-		$r $LCTL conf_param $fsname-MDT0001.lov.stripesize=4M || {
-			error_noexit "Setting MDT1 \"lov.stripesize\""
-			return 1
-		}
+		if [[ $PERM_CMD == *"set_param -P"* ]]; then
+			$r $PERM_CMD mdc.$fsname-MDT0001*.import=connection=$nid || {
+				error_noexit "Setting MDT1 \"failover.node\""
+				return 1
+			}
+
+			$r $PERM_CMD mdc.$fsname-MDT0001-*.max_rpcs_in_flight=9 || {
+				error_noexit "Setting MDT1 \"max_rpcs_in_flight\""
+				return 1
+			}
+			$r $PERM_CMD lov.$fsname-MDT0001-*.stripesize=4M || {
+				error_noexit "Setting MDT1 \"lov.stripesize\""
+				return 1
+			}
+		else
+			$r $PERM_CMD $fsname-MDT0001.failover.node=$nid || {
+				error_noexit "Setting MDT1 \"failover.node\""
+				return 1
+			}
+			$r $PERM_CMD $fsname-MDT0001.mdc.max_rpcs_in_flight=9 || {
+				error_noexit "Setting MDT1 \"max_rpcs_in_flight\""
+				return 1
+			}
+			$r $PERM_CMD $fsname-MDT0001.lov.stripesize=4M || {
+				error_noexit "Setting MDT1 \"lov.stripesize\""
+				return 1
+			}
+		fi
 	fi
 
 	if [ "$writeconf" ]; then
@@ -1993,6 +2057,12 @@ t32_test() {
 		shall_cleanup_lustre=true
 		$r $LCTL set_param debug="$PTLDEBUG"
 
+		# Leave re-enabling this to a separate patch for LU-11558
+		# t32_verify_quota $SINGLEMDS $fsname $tmp/mnt/lustre || {
+		#	error_noexit "verify quota failed"
+		#	return 1
+		#}
+
 		if $r test -f $tmp/list; then
 			#
 			# There is not a Test Framework API to copy files to or
@@ -2065,20 +2135,12 @@ t32_test() {
 			}
 			rm $tmp/mnt/lustre/dom
 
-			$r $LCTL get_param -n lod.*MDT0000*.dom_stripesize || {
-				error_noexit "Getting \"dom_stripesize\""
-				return 1
-			}
-			$r $LCTL conf_param \
-				$fsname-MDT0000.lod.dom_stripesize=0 || {
+			set_persistent_param_and_check mds \
+			   "lod.*MDT0000*.dom_stripesize" \
+			   "$fsname-MDT0000.lod.dom_stripesize" 0 || {
 				error_noexit "Changing \"dom_stripesize\""
 				return 1
 			}
-			wait_update $(facet_host mds) "$LCTL get_param \
-				-n lod.*MDT0000*.dom_stripesize" 0 || {
-				error_noexit "Verifying \"dom_stripesize\""
-				return 1
-			}
 		fi
 
 		if [ "$dne_upgrade" != "no" ]; then
@@ -2257,15 +2319,13 @@ t32_test() {
 			return 1
 		}
 		nrpcs=$((nrpcs_orig + 5))
-		$r $LCTL conf_param $fsname-MDT0000.mdc.max_rpcs_in_flight=$nrpcs || {
+
+		set_persistent_param_and_check client \
+		   "mdc.$fsname-MDT0000*.max_rpcs_in_flight" \
+		   "$fsname-MDT0000.mdc.max_rpcs_in_flight" $nrpcs || {
 			error_noexit "Changing \"max_rpcs_in_flight\""
 			return 1
 		}
-		wait_update $HOSTNAME "$LCTL get_param \
-			-n mdc.*MDT0000*.max_rpcs_in_flight" $nrpcs || {
-			error_noexit "Verifying \"max_rpcs_in_flight\""
-			return 1
-		}
 
 		umount $tmp/mnt/lustre || {
 			error_noexit "Unmounting the client"
@@ -2368,7 +2428,7 @@ test_32c() {
 	local tarball
 	local rc=0
 
-	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return
+	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs"
 	t32_check
 	for tarball in $tarballs; do
 		# Do not support 1_8 and 2_1 direct upgrade to DNE2 anymore */
@@ -2396,7 +2456,7 @@ run_test 32d "convert ff test"
 
 test_32e() {
 	[[ $(lustre_version_code $SINGLEMDS) -ge $(version_code 2.10.56) ]] ||
-		{ skip "Need MDS version at least 2.10.56"; return 0; }
+		skip "Need MDS version at least 2.10.56"
 
 	local tarballs
 	local tarball
@@ -2423,8 +2483,7 @@ test_33a() { # bug 12333, was test_33
 		local dev=${SINGLEMDS}_dev
 		local MDSDEV=${!dev}
 		is_blkdev $SINGLEMDS $MDSDEV &&
-			skip_env "mixed loopback and real device not working" &&
-			return
+			skip_env "mixed loopback and real device not working"
 	fi
 
 	local fs2mdsdev=$(mdsdevname 1_2)
@@ -2449,14 +2508,21 @@ test_33a() { # bug 12333, was test_33
 
 	start fs2mds $fs2mdsdev $MDS_MOUNT_OPTS && trap cleanup_fs2 EXIT INT
 	start fs2ost $fs2ostdev $OST_MOUNT_OPTS
-	do_facet mgs "$LCTL conf_param $FSNAME2.sys.timeout=200" ||
-		error "$LCTL conf_param $FSNAME2.sys.timeout=200 failed"
+
+	if [[ $PERM_CMD == *"set_param -P"* ]]; then
+		do_facet mgs "$PERM_CMD timeout=200" ||
+			error "$PERM_CMD timeout=200 failed"
+	else
+		do_facet mgs "$PERM_CMD $FSNAME2.sys.timeout=200" ||
+			error "$PERM_CMD $FSNAME2.sys.timeout=200 failed"
+	fi
 	mkdir -p $MOUNT2 || error "mkdir $MOUNT2 failed"
 	$MOUNT_CMD $MGSNID:/${FSNAME2} $MOUNT2 || error "$MOUNT_CMD failed"
 	echo "ok."
 
 	cp /etc/hosts $MOUNT2/ || error "copy /etc/hosts $MOUNT2/ failed"
-	$GETSTRIPE $MOUNT2/hosts || error "$GETSTRIPE $MOUNT2/hosts failed"
+	$LFS getstripe $MOUNT2/hosts ||
+		error "$LFS getstripe $MOUNT2/hosts failed"
 
 	umount $MOUNT2
 	stop fs2ost -f
@@ -2524,11 +2590,18 @@ test_35a() { # bug 12459
 	FAKENID="127.0.0.2"
 	local device=$(do_facet $SINGLEMDS "$LCTL get_param -n devices" |
 		awk '($3 ~ "mdt" && $4 ~ "MDT") { print $4 }' | head -1)
-	do_facet mgs "$LCTL conf_param \
-		      ${device}.failover.node=$(h2nettype $FAKENID)" ||
-		error "Setting ${device}.failover.node=\
-		       $(h2nettype $FAKENID) failed."
 
+	if [[ $PERM_CMD == *"set_param -P"* ]]; then
+		do_facet mgs "$PERM_CMD \
+			      mdc.*${device}*.import=connection=$(h2nettype $FAKENID)" ||
+			error "Setting mdc.*${device}*.import=connection=\
+			       $(h2nettype $FAKENID) failed."
+	else
+		do_facet mgs "$PERM_CMD \
+			      ${device}.failover.node=$(h2nettype $FAKENID)" ||
+			error "Setting ${device}.failover.node=\
+			       $(h2nettype $FAKENID) failed."
+	fi
 	log "Wait for RECONNECT_INTERVAL seconds (10s)"
 	sleep 10
 
@@ -2569,7 +2642,7 @@ test_35a() { # bug 12459
 run_test 35a "Reconnect to the last active server first"
 
 test_35b() { # bug 18674
-	remote_mds || { skip "local MDS" && return 0; }
+	remote_mds || skip "local MDS"
 	setup
 
 	debugsave
@@ -2582,10 +2655,18 @@ test_35b() { # bug 18674
 	FAKENID="127.0.0.2"
 	local device=$(do_facet $SINGLEMDS "$LCTL get_param -n devices" |
 		awk '($3 ~ "mdt" && $4 ~ "MDT") { print $4 }' | head -1)
-	do_facet mgs "$LCTL conf_param \
-		      ${device}.failover.node=$(h2nettype $FAKENID)" ||
-		error "Set ${device}.failover.node=\
-		       $(h2nettype $FAKENID) failed"
+
+	if [[ $PERM_CMD == *"set_param -P"* ]]; then
+		do_facet mgs "$PERM_CMD \
+			      mdc.*${device}*.import=connection=$(h2nettype $FAKENID)" ||
+			error "Set mdc.*${device}*.import=connection=\
+			       $(h2nettype $FAKENID) failed"
+	else
+		do_facet mgs "$PERM_CMD \
+			      ${device}.failover.node=$(h2nettype $FAKENID)" ||
+			error "Set ${device}.failover.node=\
+			       $(h2nettype $FAKENID) failed"
+	fi
 
 	local at_max_saved=0
 	# adaptive timeouts may prevent seeing the issue
@@ -2651,10 +2732,10 @@ test_35b() { # bug 18674
 run_test 35b "Continue reconnection retries, if the active server is busy"
 
 test_36() { # 12743
-	[ $OSTCOUNT -lt 2 ] && skip_env "needs >= 2 OSTs" && return
+	[ $OSTCOUNT -lt 2 ] && skip_env "needs >= 2 OSTs"
 
 	[ "$ost_HOST" = "`hostname`" -o "$ost1_HOST" = "`hostname`" ] ||
-		{ skip "remote OST" && return 0; }
+		skip "remote OST"
 
 	local rc=0
 	local FSNAME2=test1234
@@ -2664,7 +2745,7 @@ test_36() { # 12743
 
 	if [ -z "$fs2ost_DEV" -o -z "$fs2mds_DEV" -o -z "$fs3ost_DEV" ]; then
 		is_blkdev $SINGLEMDS $MDSDEV &&
-		skip_env "mixed loopback and real device not working" && return
+			skip_env "mixed loopback and real device not working"
 	fi
 
 	local fs2mdsdev=$(mdsdevname 1_2)
@@ -2674,6 +2755,7 @@ test_36() { # 12743
 	local fs2ostvdev=$(ostvdevname 1_2)
 	local fs3ostvdev=$(ostvdevname 2_2)
 
+	load_modules
 	add fs2mds $(mkfs_opts mds1 ${fs2mdsdev}) --mgs --fsname=${FSNAME2} \
 		--reformat $fs2mdsdev $fs2mdsvdev || exit 10
 	# XXX after we support non 4K disk blocksize in ldiskfs, specify a
@@ -2741,7 +2823,6 @@ test_37() {
 
 	if [ $(facet_fstype $SINGLEMDS) != ldiskfs ]; then
 		skip "ldiskfs only test"
-		return
 	fi
 
 	echo "MDS :     $mdsdev"
@@ -2755,6 +2836,8 @@ test_37() {
 	if ! do_facet $SINGLEMDS test -b $mdsdev; then
 		opts=$(csa_add "$opts" -o loop)
 	fi
+
+	load_modules
 	mount_op=$(do_facet $SINGLEMDS mount -v -t lustre $opts \
 		$mdsdev_sym $mntpt 2>&1)
 	rc=${PIPESTATUS[0]}
@@ -2870,11 +2953,9 @@ test_41a() { #bug 14134
 	if [ $(facet_fstype $SINGLEMDS) == ldiskfs ] &&
 	   ! do_facet $SINGLEMDS test -b $(mdsdevname 1); then
 		skip "Loop devices does not work with nosvc option"
-		return
 	fi
 
-	combined_mgs_mds ||
-		{ skip "needs combined MGT and MDT device" && return 0; }
+	combined_mgs_mds || skip "needs combined MGT and MDT device"
 
 	start_mdt 1 -o nosvc -n
 	if [ $MDSCOUNT -ge 2 ]; then
@@ -2901,10 +2982,9 @@ test_41b() {
 	if [ $(facet_fstype $SINGLEMDS) == ldiskfs ] &&
 	   ! do_facet $SINGLEMDS test -b $(mdsdevname 1); then
 		skip "Loop devices does not work with nosvc option"
-		return
 	fi
 
-	! combined_mgs_mds && skip "needs combined mgs device" && return 0
+	! combined_mgs_mds && skip "needs combined mgs device"
 
 	stopall
 	reformat
@@ -2940,7 +3020,7 @@ test_41c() {
 	   $server_version -lt $(version_code 2.5.50) ]] ||
 	[[ $server_version -ge $(version_code 2.5.4) &&
 	   $server_version -lt $(version_code 2.5.11) ]] ||
-		{ skip "Need MDS version 2.5.4+ or 2.5.26+ or 2.6.52+"; return; }
+		skip "Need MDS version 2.5.4+ or 2.5.26+ or 2.6.52+"
 
 	# ensure mds1 ost1 have been created even if running sub-test standalone
 	cleanup
@@ -3077,16 +3157,24 @@ test_41c() {
 run_test 41c "concurrent mounts of MDT/OST should all fail but one"
 
 test_42() { #bug 14693
+	local PARAM
+
 	setup
 	check_mount || error "client was not mounted"
 
-	do_facet mgs $LCTL conf_param $FSNAME.llite.some_wrong_param=10
+	if [[ $PERM_CMD == *"set_param -P"* ]]; then
+		PARAM="llite.$FSNAME-*.some_wrong_param"
+	else
+		PARAM="$FSNAME.llite.some_wrong_param"
+	fi
+
+	do_facet mgs $PERM_CMD $PARAM=10
 	umount_client $MOUNT ||
 		error "unmounting client failed with invalid llite param"
 	mount_client $MOUNT ||
 		error "mounting client failed with invalid llite param"
 
-	do_facet mgs $LCTL conf_param $FSNAME.sys.some_wrong_param=20
+	do_facet mgs $PERM_CMD $PARAM=20
 	cleanup || error "stopping $FSNAME failed with invalid sys param"
 	setup
 	check_mount || error "client was not mounted with invalid sys param"
@@ -3096,26 +3184,25 @@ run_test 42 "allow client/server mount/unmount with invalid config param"
 
 test_43a() {
 	[[ $(lustre_version_code mgs) -ge $(version_code 2.5.58) ]] ||
-		{ skip "Need MDS version at least 2.5.58" && return 0; }
+		skip "Need MDS version at least 2.5.58"
 	[ $UID -ne 0 -o $RUNAS_ID -eq 0 ] && skip_env "run as root"
 
 	ID1=${ID1:-501}
 	USER1=$(getent passwd | grep :$ID1:$ID1: | cut -d: -f1)
-	[ -z "$USER1" ] && skip_env "missing user with uid=$ID1 gid=$ID1" &&
-		return
+	[ -z "$USER1" ] && skip_env "missing user with uid=$ID1 gid=$ID1"
 
 	setup
 	chmod ugo+x $DIR || error "chmod 0 failed"
-	set_conf_param_and_check mds1					\
-		"$LCTL get_param -n mdt.$FSNAME-MDT0000.root_squash"	\
+	set_persistent_param_and_check mds1				\
+		"mdt.$FSNAME-MDT0000.root_squash"			\
 		"$FSNAME.mdt.root_squash"				\
 		"0:0"
 	wait_update $HOSTNAME						\
 		"$LCTL get_param -n llite.${FSNAME}*.root_squash"	\
 		"0:0" ||
 		error "check llite root_squash failed!"
-	set_conf_param_and_check mds1					\
-		"$LCTL get_param -n mdt.$FSNAME-MDT0000.nosquash_nids"	\
+	set_persistent_param_and_check mds1				\
+		"mdt.$FSNAME-MDT0000.nosquash_nids"			\
 		"$FSNAME.mdt.nosquash_nids"				\
 		"NONE"
 	wait_update $HOSTNAME						\
@@ -3123,15 +3210,15 @@ test_43a() {
 		"NONE" ||
 		error "check llite nosquash_nids failed!"
 
-    #
-    # create set of test files
-    #
-    echo "111" > $DIR/$tfile-userfile || error "write 1 failed"
-    chmod go-rw $DIR/$tfile-userfile  || error "chmod 1 failed"
-    chown $RUNAS_ID.$RUNAS_ID $DIR/$tfile-userfile || error "chown failed"
+	#
+	# create set of test files
+	#
+	echo "111" > $DIR/$tfile-userfile || error "write 1 failed"
+	chmod go-rw $DIR/$tfile-userfile  || error "chmod 1 failed"
+	chown $RUNAS_ID.$RUNAS_ID $DIR/$tfile-userfile || error "chown failed"
 
-    echo "222" > $DIR/$tfile-rootfile || error "write 2 failed"
-    chmod go-rw $DIR/$tfile-rootfile  || error "chmod 2 faield"
+	echo "222" > $DIR/$tfile-rootfile || error "write 2 failed"
+	chmod go-rw $DIR/$tfile-rootfile  || error "chmod 2 faield"
 
 	mkdir $DIR/$tdir-rootdir || error "mkdir failed"
 	chmod go-rwx $DIR/$tdir-rootdir || error "chmod 3 failed"
@@ -3146,8 +3233,8 @@ test_43a() {
 	#   set root squash UID:GID to RUNAS_ID
 	#   root should be able to access only files owned by RUNAS_ID
 	#
-	set_conf_param_and_check mds1					\
-		"$LCTL get_param -n mdt.$FSNAME-MDT0000.root_squash"	\
+	set_persistent_param_and_check mds1				\
+		"mdt.$FSNAME-MDT0000.root_squash"			\
 		"$FSNAME.mdt.root_squash"				\
 		"$RUNAS_ID:$RUNAS_ID"
 	wait_update $HOSTNAME						\
@@ -3216,8 +3303,8 @@ test_43a() {
 	local NIDLIST=$($LCTL list_nids all | tr '\n' ' ')
 	NIDLIST="2@gni $NIDLIST 192.168.0.[2,10]@tcp"
 	NIDLIST=$(echo $NIDLIST | tr -s ' ' ' ')
-	set_conf_param_and_check mds1					\
-		"$LCTL get_param -n mdt.$FSNAME-MDT0000.nosquash_nids"	\
+	set_persistent_param_and_check mds1				\
+		"mdt.$FSNAME-MDT0000.nosquash_nids"			\
 		"$FSNAME-MDTall.mdt.nosquash_nids"			\
 		"$NIDLIST"
 	wait_update $HOSTNAME						\
@@ -3248,11 +3335,11 @@ run_test 43a "check root_squash and nosquash_nids"
 
 test_43b() { # LU-5690
 	[[ $(lustre_version_code mgs) -ge $(version_code 2.7.62) ]] ||
-		{ skip "Need MGS version 2.7.62+"; return; }
+		skip "Need MGS version 2.7.62+"
 
 	if [[ -z "$fs2mds_DEV" ]]; then
 		is_blkdev $SINGLEMDS $(mdsdevname ${SINGLEMDS//mds/}) &&
-		skip_env "mixed loopback and real device not working" && return
+		skip_env "mixed loopback and real device not working"
 	fi
 
 	local fs2mdsdev=$(mdsdevname 1_2)
@@ -3354,18 +3441,19 @@ test_46a() {
 	# wait until osts in sync
 	for (( i=2; i<=$OSTCOUNT; i++ )); do
 	    wait_osc_import_state mds ost$i FULL
-	    wait_osc_import_state client ost$i FULL
+	    wait_osc_import_ready client ost$i
 	done
 
 	#second client see all ost's
 
 	mount_client $MOUNT2 || error "mount_client failed"
-	$SETSTRIPE -c -1 $MOUNT2 || error "$SETSTRIPE -c -1 $MOUNT2 failed"
-	$GETSTRIPE $MOUNT2 || error "$GETSTRIPE $MOUNT2 failed"
+	$LFS setstripe -c -1 $MOUNT2 ||
+		error "$LFS setstripe -c -1 $MOUNT2 failed"
+	$LFS getstripe $MOUNT2 || error "$LFS getstripe $MOUNT2 failed"
 
 	echo "ok" > $MOUNT2/widestripe
-	$GETSTRIPE $MOUNT2/widestripe ||
-		error "$GETSTRIPE $MOUNT2/widestripe failed"
+	$LFS getstripe $MOUNT2/widestripe ||
+		error "$LFS getstripe $MOUNT2/widestripe failed"
 	# fill acl buffer for avoid expand lsm to them
 	awk -F : '{if (FNR < 25) { print "u:"$1":rwx" }}' /etc/passwd |
 		while read acl; do
@@ -3431,12 +3519,13 @@ test_48() { # bz-17636 LU-7473
 	setup_noconfig
 	check_mount || error "check_mount failed"
 
-	$SETSTRIPE -c -1 $MOUNT || error "$SETSTRIPE -c -1 $MOUNT failed"
-	$GETSTRIPE $MOUNT || error "$GETSTRIPE $MOUNT failed"
+	$LFS setstripe -c -1 $MOUNT ||
+		error "$LFS setstripe -c -1 $MOUNT failed"
+	$LFS getstripe $MOUNT || error "$LFS getstripe $MOUNT failed"
 
 	echo "ok" > $MOUNT/widestripe
-	$GETSTRIPE $MOUNT/widestripe ||
-		error "$GETSTRIPE $MOUNT/widestripe failed"
+	$LFS getstripe $MOUNT/widestripe ||
+		error "$LFS getstripe $MOUNT/widestripe failed"
 
 	# In the future, we may introduce more EAs, such as selinux, enlarged
 	# LOV EA, and so on. These EA will use some EA space that is shared by
@@ -3446,11 +3535,11 @@ test_48() { # bz-17636 LU-7473
 	then
 		count=28	# hard coded of RPC protocol
 	elif [ $(facet_fstype $SINGLEMDS) != ldiskfs ]; then
-		count=4000	# max_num 4091 max_ea_size = 32768
+		count=4000	# max_num 4091 max_ea_size = ~65536
 	elif ! large_xattr_enabled; then
 		count=450	# max_num 497 max_ea_size = 4012
 	else
-		count=4500	# max_num 8187 max_ea_size = 1048492
+		count=4500	# max_num 8187 max_ea_size = 65452
 				# not create too much (>5000) to save test time
 	fi
 
@@ -3540,26 +3629,27 @@ test_49b() { # bug 17710
 run_test 49b "check PARAM_SYS_LDLM_TIMEOUT option of mkfs.lustre"
 
 lazystatfs() {
+	# wait long enough to exceed OBD_STATFS_CACHE_SECONDS = 1
+	sleep 2
         # Test both statfs and lfs df and fail if either one fails
 	multiop_bg_pause $1 f_
-	RC1=$?
+	RC=$?
 	PID=$!
 	killall -USR1 multiop
-	[ $RC1 -ne 0 ] && log "lazystatfs multiop failed"
-	wait $PID || { RC1=$?; log "multiop return error "; }
+	[ $RC -ne 0 ] && log "lazystatfs multiop failed"
+	wait $PID || { RC=$?; log "multiop return error "; }
 
-	$LFS df &
+	# wait long enough to exceed OBD_STATFS_CACHE_SECONDS = 1
+	sleep 2
+	$LFS df -l &
 	PID=$!
 	sleep 5
-	kill -s 0 $PID
-	RC2=$?
-	if [ $RC2 -eq 0 ]; then
-	    kill -s 9 $PID
-	    log "lazystatfs df failed"
+	if kill -s 0 $PID; then
+		RC=1
+		kill -s 9 $PID
+		log "lazystatfs lfs df failed to complete in 5s"
 	fi
 
-	RC=0
-	[[ $RC1 -ne 0 || $RC2 -eq 0 ]] && RC=1
 	return $RC
 }
 
@@ -3581,7 +3671,9 @@ test_50b() {
 
 	# Wait for client to detect down OST
 	stop_ost || error "Unable to stop OST1"
-        wait_osc_import_state mds ost DISCONN
+	wait_osc_import_state client ost DISCONN
+	$LCTL dl
+	log "OSCs should all be DISCONN"
 
 	lazystatfs $MOUNT || error "lazystatfs should not return EIO"
 
@@ -3716,24 +3808,27 @@ test_50f() {
 run_test 50f "normal statfs one server in down"
 
 test_50g() {
-	[ "$OSTCOUNT" -lt "2" ] && skip_env "needs >=2 OSTs" && return
+	[ "$OSTCOUNT" -lt "2" ] && skip_env "needs >=2 OSTs"
 	setup
 	start_ost2 || error "Unable to start OST2"
-        wait_osc_import_state mds ost2 FULL
-        wait_osc_import_state client ost2 FULL
+	wait_osc_import_state mds ost2 FULL
+	wait_osc_import_ready client ost2
 
-	local PARAM="${FSNAME}-OST0001.osc.active"
+	if [[ $PERM_CMD == *"set_param -P"* ]]; then
+		local PARAM="osc.${FSNAME}-OST0001*.active"
+	else
+		local PARAM="${FSNAME}-OST0001.osc.active"
+	fi
 
-	$SETSTRIPE -c -1 $DIR/$tfile || error "$SETSTRIPE failed"
-	do_facet mgs $LCTL conf_param $PARAM=0 ||
-		error "Unable to deactivate OST"
+	$LFS setstripe -c -1 $DIR/$tfile || error "$LFS setstripe failed"
+	do_facet mgs $PERM_CMD $PARAM=0 || error "Unable to deactivate OST"
 
 	umount_client $MOUNT || error "Unable to unmount client"
 	mount_client $MOUNT || error "Unable to mount client"
 	# This df should not cause a panic
 	df -k $MOUNT
 
-	do_facet mgs $LCTL conf_param $PARAM=1 || error "Unable to activate OST"
+	do_facet mgs $PERM_CMD $PARAM=1 || error "Unable to activate OST"
 	rm -f $DIR/$tfile || error "unable to remove file $DIR/$tfile"
 	umount_client $MOUNT || error "Unable to unmount client"
 	stop_ost2 || error "Unable to stop OST2"
@@ -3747,7 +3842,7 @@ run_test 50g "deactivated OST should not cause panic"
 # LU-642
 test_50h() {
 	# prepare MDT/OST, make OSC inactive for OST1
-	[ "$OSTCOUNT" -lt "2" ] && skip_env "needs >=2 OSTs" && return
+	[ "$OSTCOUNT" -lt "2" ] && skip_env "needs >=2 OSTs"
 
 	[ $(facet_fstype ost1) == zfs ] && import_zpool ost1
 	do_facet ost1 "$TUNEFS --param osc.active=0 `ostdevname 1`" ||
@@ -3760,23 +3855,23 @@ test_50h() {
 	mkdir $DIR/$tdir || error "mkdir $DIR/$tdir failed"
 
 	# activatate OSC for OST1
-	local TEST="$LCTL get_param -n osc.${FSNAME}-OST0000-osc-[!M]*.active"
-	set_conf_param_and_check client					\
-		"$TEST" "${FSNAME}-OST0000.osc.active" 1 ||
-		error "Unable to activate OST1"
+	set_persistent_param_and_check client		 \
+		"osc.${FSNAME}-OST0000-osc-[!M]*.active" \
+		"${FSNAME}-OST0000.osc.active" 1
 
 	mkdir $DIR/$tdir/2 || error "mkdir $DIR/$tdir/2 failed"
-	$SETSTRIPE -c -1 -i 0 $DIR/$tdir/2 ||
-		error "$SETSTRIPE $DIR/$tdir/2 failed"
+	$LFS setstripe -c -1 -i 0 $DIR/$tdir/2 ||
+		error "$LFS setstripe $DIR/$tdir/2 failed"
 	sleep 1 && echo "create a file after OST1 is activated"
-	# create some file
-	createmany -o $DIR/$tdir/2/$tfile-%d 1
+	# doing some io, shouldn't crash
+	dd if=/dev/zero of=$DIR/$tdir/2/$tfile-io bs=1M count=10
 
 	# check OSC import is working
 	stat $DIR/$tdir/2/* >/dev/null 2>&1 ||
 		error "some OSC imports are still not connected"
 
 	# cleanup
+	rm -rf $DIR/$tdir
 	umount_client $MOUNT || error "Unable to umount client"
 	stop_ost2 || error "Unable to stop OST2"
 	cleanup_nocli || error "cleanup_nocli failed with $?"
@@ -3785,7 +3880,7 @@ run_test 50h "LU-642: activate deactivated OST"
 
 test_50i() {
 	# prepare MDT/OST, make OSC inactive for OST1
-	[ "$MDSCOUNT" -lt "2" ] && skip_env "needs >= 2 MDTs" && return
+	[ "$MDSCOUNT" -lt "2" ] && skip "needs >= 2 MDTs"
 
 	load_modules
 	[ $(facet_fstype mds2) == zfs ] && import_zpool mds2
@@ -3798,13 +3893,18 @@ test_50i() {
 
 	mkdir $DIR/$tdir || error "mkdir $DIR/$tdir failed"
 
-	$LCTL conf_param ${FSNAME}-MDT0000.mdc.active=0 &&
-		error "deactive MDC0 succeeds"
+	if [[ $PERM_CMD == *"set_param -P"* ]]; then
+		$PERM_CMD mdc.${FSNAME}-MDT0001-mdc-*.active=0 &&
+			error "deactive MDC0 succeeds"
+	else
+		$PERM_CMD ${FSNAME}-MDT0000.mdc.active=0 &&
+			error "deactive MDC0 succeeds"
+	fi
+
 	# activate MDC for MDT2
-	local TEST="$LCTL get_param -n mdc.${FSNAME}-MDT0001-mdc-[!M]*.active"
-	set_conf_param_and_check client					\
-		"$TEST" "${FSNAME}-MDT0001.mdc.active" 1 ||
-		error "Unable to activate MDT2"
+	set_persistent_param_and_check client		 \
+		"mdc.${FSNAME}-MDT0001-mdc-*.active" \
+		"${FSNAME}-MDT0001.mdc.active" 1
 
 	wait_clients_import_state ${CLIENTS:-$HOSTNAME} mds2 FULL
 	if [ $(lustre_version_code $SINGLEMDS) -ge $(version_code 2.7.60) ]
@@ -3818,10 +3918,9 @@ test_50i() {
 	rm -rf $DIR/$tdir/2 || error "unlink dir failed"
 
 	# deactivate MDC for MDT2
-	local TEST="$LCTL get_param -n mdc.${FSNAME}-MDT0001-mdc-[!M]*.active"
-	set_conf_param_and_check client					\
-		"$TEST" "${FSNAME}-MDT0001.mdc.active" 0 ||
-		error "Unable to deactivate MDT2"
+	set_persistent_param_and_check client		\
+		"mdc.${FSNAME}-MDT0001-mdc-*.active"	\
+		"${FSNAME}-MDT0001.mdc.active" 0
 
 	wait_osp_active mds ${FSNAME}-MDT0001 1 0
 
@@ -3851,8 +3950,8 @@ test_51() {
 	check_mount || error "check_mount failed"
 
 	mkdir $MOUNT/$tdir || error "mkdir $MOUNT/$tdir failed"
-	$SETSTRIPE -c -1 $MOUNT/$tdir ||
-		error "$SETSTRIPE -c -1 $MOUNT/$tdir failed"
+	$LFS setstripe -c -1 $MOUNT/$tdir ||
+		error "$LFS setstripe -c -1 $MOUNT/$tdir failed"
 	#define OBD_FAIL_MDS_REINT_DELAY         0x142
 	do_facet $SINGLEMDS "$LCTL set_param fail_loc=0x142"
 	touch $MOUNT/$tdir/$tfile &
@@ -3919,7 +4018,6 @@ diff_files_xattrs()
 test_52() {
 	if [ $(facet_fstype $SINGLEMDS) != ldiskfs ]; then
 		skip "ldiskfs only test"
-		return
 	fi
 
 	start_mds || error "Unable to start MDS"
@@ -3940,7 +4038,7 @@ test_52() {
 		error "Unable to create temporary file"
 	sleep 1
 
-	$SETSTRIPE -c -1 -S 1M $DIR/$tdir || error "$SETSTRIPE failed"
+	$LFS setstripe -c -1 -S 1M $DIR/$tdir || error "$LFS setstripe failed"
 
 	for (( i=0; i < nrfiles; i++ )); do
 		multiop $DIR/$tdir/$tfile-$i Ow1048576w1048576w524288c ||
@@ -3949,6 +4047,10 @@ test_52() {
 	done
 	echo
 
+	# sync all the data and make sure no pending data on the client,
+	# thus the SOM xattr would not be changed any more.
+	cancel_lru_locks osc
+
 	# backup files
 	echo backup files to $TMP/$tdir
 	local files=$(find $DIR/$tdir -type f -newer $TMP/modified_first)
@@ -4055,8 +4157,7 @@ thread_sanity() {
 	fi
 
 	[ $tmin -eq $tmax -a $tmin -eq $tstarted ] &&
-		skip_env "module parameter forced $facet thread count" &&
-		tmin=3 && tmax=$((3 * tmax))
+		skip_env "module parameter forced $facet thread count"
 
 	# Check that we can change min/max
 	do_facet $facet "$LCTL set_param \
@@ -4103,10 +4204,12 @@ thread_sanity() {
 	setmodopts $modname "$oldvalue"
 
 	# Check that $opts took
-	tmin=$(do_facet $facet "$LCTL get_param -n ${paramp}.threads_min")
-	tmax=$(do_facet $facet "$LCTL get_param -n ${paramp}.threads_max")
+	tmin=$(do_facet $facet "$LCTL get_param -n ${paramp}.threads_min" ||
+		echo 0)
+	tmax=$(do_facet $facet "$LCTL get_param -n ${paramp}.threads_max" ||
+		echo 0)
 	tstarted=$(do_facet $facet \
-		   "$LCTL get_param -n ${paramp}.threads_started")
+		   "$LCTL get_param -n ${paramp}.threads_started" || echo 0)
 	lassert 28 "$msg" '(($tstarted >= $tmin && $tstarted <= $tmax ))' ||
 		return $?
 	cleanup
@@ -4138,7 +4241,6 @@ run_test 53b "check MDS thread count params"
 test_54a() {
 	if [ $(facet_fstype $SINGLEMDS) != ldiskfs ]; then
 		skip "ldiskfs only test"
-		return
 	fi
 
 	do_rpc_nodes $(facet_host ost1) run_llverdev $(ostdevname 1) -p ||
@@ -4150,7 +4252,6 @@ run_test 54a "test llverdev and partial verify of device"
 test_54b() {
 	if [ $(facet_fstype $SINGLEMDS) != ldiskfs ]; then
 		skip "ldiskfs only test"
-		return
 	fi
 
 	setup
@@ -4168,7 +4269,6 @@ lov_objid_size()
 test_55() {
 	if [ $(facet_fstype $SINGLEMDS) != ldiskfs ]; then
 		skip "ldiskfs only test"
-		return
 	fi
 
 	local mdsdev=$(mdsdevname 1)
@@ -4200,7 +4300,7 @@ test_55() {
 		stopall
 	done
 
-	reformat
+	reformat_and_config
 }
 run_test 55 "check lov_objid size"
 
@@ -4229,7 +4329,7 @@ test_56a() {
 	      $server_version -lt $(version_code 2.5.11) ]]; then
 		wait_osc_import_state mds ost1 FULL
 		wait_osc_import_state mds ost2 FULL
-		$SETSTRIPE --stripe-count=-1 $DIR/$tfile ||
+		$LFS setstripe --stripe-count=-1 $DIR/$tfile ||
 			error "Unable to setstripe $DIR/$tfile"
 		n=$($LFS getstripe --stripe-count $DIR/$tfile)
 		[ "$n" -eq 2 ] || error "Stripe count not two: $n"
@@ -4238,7 +4338,7 @@ test_56a() {
 
 	stopall
 	MDSJOURNALSIZE=$mds_journal_size_orig
-	reformat
+	reformat_and_config
 }
 run_test 56a "check big OST indexes and out-of-index-order start"
 
@@ -4250,11 +4350,11 @@ cleanup_56b() {
 	stop mds2
 	stop mds3
 	stopall
-	reformat
+	reformat_and_config
 }
 
 test_56b() {
-	[ $MDSCOUNT -lt 3 ] && skip "needs >= 3 MDTs" && return
+	[ $MDSCOUNT -lt 3 ] && skip "needs >= 3 MDTs"
 
 	trap cleanup_56b EXIT RETURN ERR
 	stopall
@@ -4349,7 +4449,7 @@ test_57a() { # bug 22656
 		error "tunefs failed"
 	start_mgsmds
 	start_ost && error "OST registration from failnode should fail"
-	reformat
+	cleanup
 }
 run_test 57a "initial registration from failnode should fail (should return errs)"
 
@@ -4363,7 +4463,7 @@ test_57b() {
 		error "tunefs failed"
 	start_mgsmds
 	start_ost || error "OST registration from servicenode should not fail"
-	reformat
+	cleanup
 }
 run_test 57b "initial registration from servicenode should not fail"
 
@@ -4376,9 +4476,6 @@ test_58() { # bug 22658
 	setup_noconfig
 	mkdir $DIR/$tdir || error "mkdir $DIR/$tdir failed"
 	createmany -o $DIR/$tdir/$tfile-%d 100
-	# make sure that OSTs do not cancel llog cookies before we unmount the MDS
-#define OBD_FAIL_OBD_LOG_CANCEL_NET      0x601
-	do_facet $SINGLEMDS "$LCTL set_param fail_loc=0x601"
 	unlinkmany $DIR/$tdir/$tfile-%d 100
 	stop_mds || error "Unable to stop MDS"
 
@@ -4394,7 +4491,7 @@ test_58() { # bug 22658
 	# restart MDS with missing llog files
 	start_mds || error "unable to start MDS"
 	do_facet $SINGLEMDS "$LCTL set_param fail_loc=0"
-	reformat
+	cleanup
 }
 run_test 58 "missing llog files must not prevent MDT from mounting"
 
@@ -4432,13 +4529,12 @@ test_59() {
 run_test 59 "writeconf mount option"
 
 test_60() { # LU-471
-	local num
-
 	if [ $(facet_fstype $SINGLEMDS) != ldiskfs ]; then
 		skip "ldiskfs only test"
-		return
 	fi
 
+	local num
+
 	for num in $(seq $MDSCOUNT); do
 		add mds${num} $(mkfs_opts mds${num} $(mdsdevname $num)) \
 			--mkfsoptions='\" -E stride=64 -O ^uninit_bg\"' \
@@ -4455,29 +4551,29 @@ test_60() { # LU-471
 	echo $dump | grep uninit_bg > /dev/null && error "uninit_bg is set"
 	# we set stride extended options
 	echo $dump | grep stride > /dev/null || error "stride is not set"
-	reformat
+	stop_mds
+	reformat_and_config
 }
 run_test 60 "check mkfs.lustre --mkfsoptions -E -O options setting"
 
 test_61() { # LU-80
-	local lxattr=false
+	local lxattr=$(large_xattr_enabled)
 
 	[ $(lustre_version_code $SINGLEMDS) -ge $(version_code 2.1.53) ] ||
-		{ skip "Need MDS version at least 2.1.53"; return 0; }
+		skip "Need MDS version at least 2.1.53"
 
 	if [ $(facet_fstype $SINGLEMDS) == ldiskfs ] &&
 	     ! large_xattr_enabled; then
 		lxattr=true
 
 		for num in $(seq $MDSCOUNT); do
-			do_facet mds${num} $TUNE2FS -O large_xattr \
+			do_facet mds${num} $TUNE2FS -O ea_inode \
 				$(mdsdevname $num) ||
 				error "tune2fs on mds $num failed"
 		done
 	fi
 
-	combined_mgs_mds || stop_mgs || error "stopping MGS service failed"
-	setup_noconfig || error "setting up the filesystem failed"
+	setup || error "setting up the filesystem failed"
 	client_up || error "starting client failed"
 
 	local file=$DIR/$tfile
@@ -4520,7 +4616,7 @@ test_61() { # LU-80
 	log "remove large xattr $name from $file"
 	setfattr -x $name $file || error "removing $name from $file failed"
 
-	if $lxattr; then
+	if $lxattr && [ $(facet_fstype $SINGLEMDS) == ldiskfs ]; then
 		stopall || error "stopping for e2fsck run"
 		for num in $(seq $MDSCOUNT); do
 			run_e2fsck $(facet_active_host mds$num) \
@@ -4532,30 +4628,21 @@ test_61() { # LU-80
 
 	# need to delete this file to avoid problems in other tests
 	rm -f $file
-	stopall || error "stopping systems to turn off large_xattr"
-	if $lxattr; then
-		for num in $(seq $MDSCOUNT); do
-			do_facet mds${num} $TUNE2FS -O ^large_xattr \
-				$(mdsdevname $num) ||
-				error "tune2fs on mds $num failed"
-		done
-	fi
+	cleanup || error "stopping systems failed"
 }
 run_test 61 "large xattr"
 
 test_62() {
 	if [ $(facet_fstype $SINGLEMDS) != ldiskfs ]; then
 		skip "ldiskfs only test"
-		return
 	fi
+	[[ $(lustre_version_code $SINGLEMDS) -ge $(version_code 2.2.51) ]] ||
+		skip "Need MDS version at least 2.2.51"
 
 	# MRP-118
 	local mdsdev=$(mdsdevname 1)
 	local ostdev=$(ostdevname 1)
 
-	[[ $(lustre_version_code $SINGLEMDS) -ge $(version_code 2.2.51) ]] ||
-		{ skip "Need MDS version at least 2.2.51"; return 0; }
-
 	echo "disable journal for mds"
 	do_facet mds1 $TUNE2FS -O ^has_journal $mdsdev || error "tune2fs failed"
 	start_mds && error "MDT start should fail"
@@ -4570,7 +4657,6 @@ run_test 62 "start with disabled journal"
 test_63() {
 	if [ $(facet_fstype $SINGLEMDS) != ldiskfs ]; then
 		skip "ldiskfs only test"
-		return
 	fi
 
 	do_rpc_nodes $(facet_active_host $SINGLEMDS) load_module ldiskfs
@@ -4578,7 +4664,6 @@ test_63() {
 			   awk '/ldiskfs_inode_cache/ { print $5 / $6 }')
 	if [ -z "$inode_slab" ]; then
 		skip "ldiskfs module has not been loaded"
-		return
 	fi
 
 	echo "$inode_slab ldiskfs inodes per page"
@@ -4587,7 +4672,7 @@ test_63() {
 	# If kmalloc-128 is also 1 per page - this is a debug kernel
 	# and so this is not an error.
 	local kmalloc128=$(do_facet $SINGLEMDS "cat /proc/slabinfo" |
-			   awk '/^(kmalloc|size)-128 / { print $5 / $6 }')
+			   awk '/^(dma-kmalloc|size)-128 / { print $5 / $6 }')
 	# 32 128-byte chunks in 4k
 	[ "${kmalloc128%.*}" -lt "32" ] ||
 		error "ldiskfs inode too big, only $inode_slab objs/page, " \
@@ -4613,7 +4698,7 @@ run_test 64 "check lfs df --lazy "
 test_65() { # LU-2237
 	# Currently, the test is only valid for ldiskfs backend
 	[ "$(facet_fstype $SINGLEMDS)" != "ldiskfs" ] &&
-		skip "ldiskfs only test" && return
+		skip "ldiskfs only test"
 
 	local devname=$(mdsdevname ${SINGLEMDS//mds/})
 	local brpt=$(facet_mntpt brpt)
@@ -4652,7 +4737,7 @@ run_test 65 "re-create the lost last_rcvd file when server mount"
 
 test_66() {
 	[[ $(lustre_version_code mgs) -ge $(version_code 2.3.59) ]] ||
-		{ skip "Need MGS version at least 2.3.59"; return 0; }
+		skip "Need MGS version at least 2.3.59"
 
 	setup
 	local OST1_NID=$(do_facet ost1 $LCTL list_nids | head -1)
@@ -4697,6 +4782,8 @@ test_66() {
 	echo "wrong nids list should not destroy the system"
 	do_facet mgs $LCTL replace_nids $FSNAME-OST0000 "wrong nids list" &&
 		error "wrong parse"
+	do_facet mgs $LCTL replace_nids $FSNAME-OST0000 "asdfasdf, asdfadf" &&
+		error "wrong parse"
 
 	echo "replace OST nid"
 	do_facet mgs $LCTL replace_nids $FSNAME-OST0000 $OST1_NID ||
@@ -4710,6 +4797,14 @@ test_66() {
 	do_facet mgs $LCTL replace_nids $FSNAME-MDT0000 "wrong nids list" &&
 		error "wrong parse"
 
+	local FAKE_NIDS="192.168.0.112@tcp1,192.168.0.112@tcp2"
+	local FAKE_FAILOVER="192.168.0.113@tcp1,192.168.0.113@tcp2"
+	local NIDS_AND_FAILOVER="$MDS_NID,$FAKE_NIDS:$FAKE_FAILOVER"
+	echo "set NIDs with failover"
+	do_facet mgs $LCTL replace_nids $FSNAME-MDT0000 $NIDS_AND_FAILOVER ||
+		error "replace nids failed"
+
+
 	echo "replace MDS nid"
 	do_facet mgs $LCTL replace_nids $FSNAME-MDT0000 $MDS_NID ||
 		error "replace nids failed"
@@ -4730,7 +4825,7 @@ test_66() {
 
 	check_mount || error "error after nid replace"
 	cleanup || error "cleanup failed"
-	reformat
+	reformat_and_config
 }
 run_test 66 "replace nids"
 
@@ -4799,16 +4894,12 @@ test_68() {
 	local END
 
 	[ $(lustre_version_code $SINGLEMDS) -ge $(version_code 2.4.53) ] ||
-		{ skip "Need MDS version at least 2.4.53"; return 0; }
+		skip "Need MDS version at least 2.4.53"
 
 	umount_client $MOUNT || error "umount client failed"
 
-	if ! combined_mgs_mds; then
-		start_mgs || error "start mgs failed"
-	fi
-
-	start_mdt 1 || error "MDT start failed"
-	start_ost || error "Unable to start OST1"
+	start_mgsmds
+	start_ost
 
 	# START-END - the sequences we'll be reserving
 	START=$(do_facet $SINGLEMDS \
@@ -4850,11 +4941,11 @@ test_69() {
 	local server_version=$(lustre_version_code $SINGLEMDS)
 
 	[[ $server_version -lt $(version_code 2.4.2) ]] &&
-		skip "Need MDS version at least 2.4.2" && return
+		skip "Need MDS version at least 2.4.2"
 
 	[[ $server_version -ge $(version_code 2.4.50) ]] &&
 	[[ $server_version -lt $(version_code 2.5.0) ]] &&
-		skip "Need MDS version at least 2.5.0" && return
+		skip "Need MDS version at least 2.5.0"
 
 	setup
 	mkdir $DIR/$tdir || error "mkdir $DIR/$tdir failed"
@@ -4881,8 +4972,8 @@ test_69() {
 		local ifree=$($LFS df -i $MOUNT | awk '/OST0000/ { print $4 }')
 		log "On OST0, $ifree inodes available. Want $num_create."
 
-		$SETSTRIPE -i 0 $DIR/$tdir ||
-			error "$SETSTRIPE -i 0 $DIR/$tdir failed"
+		$LFS setstripe -i 0 $DIR/$tdir ||
+			error "$LFS setstripe -i 0 $DIR/$tdir failed"
 		if [ $ifree -lt 10000 ]; then
 			files=$(( ifree - 50 ))
 		else
@@ -4912,7 +5003,7 @@ test_69() {
 
 	mount_client $MOUNT || error "mount client failed"
 	touch $DIR/$tdir/$tfile-last || error "create file after reformat"
-	local idx=$($GETSTRIPE -i $DIR/$tdir/$tfile-last)
+	local idx=$($LFS getstripe -i $DIR/$tdir/$tfile-last)
 	[ $idx -ne 0 ] && error "$DIR/$tdir/$tfile-last on $idx not 0" || true
 
 	local iused=$($LFS df -i $MOUNT | awk '/OST0000/ { print $3 }')
@@ -4924,7 +5015,7 @@ test_69() {
 run_test 69 "replace an OST with the same index"
 
 test_70a() {
-	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return
+	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs"
 	local MDTIDX=1
 
 	cleanup || error "cleanup failed with $?"
@@ -4949,7 +5040,7 @@ test_70a() {
 run_test 70a "start MDT0, then OST, then MDT1"
 
 test_70b() {
-	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return
+	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs"
 	local MDTIDX=1
 
 	start_ost || error "OST0 start fail"
@@ -4970,7 +5061,7 @@ test_70b() {
 run_test 70b "start OST, MDT1, MDT0"
 
 test_70c() {
-	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return
+	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs"
 	local MDTIDX=1
 
 	start_mds || error "MDS start fail"
@@ -4994,7 +5085,7 @@ test_70c() {
 run_test 70c "stop MDT0, mkdir fail, create remote dir fail"
 
 test_70d() {
-	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return
+	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs"
 	local MDTIDX=1
 
 	start_mds || error "MDS start fail"
@@ -5021,12 +5112,14 @@ test_70d() {
 run_test 70d "stop MDT1, mkdir succeed, create remote dir fail"
 
 test_70e() {
-	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return
+	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs"
 
 	[ $(lustre_version_code $SINGLEMDS) -ge $(version_code 2.7.62) ] ||
-		{ skip "Need MDS version at least 2.7.62"; return 0; }
+		skip "Need MDS version at least 2.7.62"
 
-	cleanup || error "cleanup failed with $?"
+	reformat || error "reformat failed with $?"
+
+	load_modules
 
 	local mdsdev=$(mdsdevname 1)
 	local ostdev=$(ostdevname 1)
@@ -5035,6 +5128,10 @@ test_70e() {
 	local opts_mds="$(mkfs_opts mds1 $mdsdev) --reformat $mdsdev $mdsvdev"
 	local opts_ost="$(mkfs_opts ost1 $ostdev) --reformat $ostdev $ostvdev"
 
+	if ! combined_mgs_mds ; then
+		start_mgs
+	fi
+
 	add mds1 $opts_mds || error "add mds1 failed"
 	start_mdt 1 || error "start mdt1 failed"
 	add ost1 $opts_ost || error "add ost1 failed"
@@ -5075,9 +5172,9 @@ test_70e() {
 run_test 70e "Sync-on-Cancel will be enabled by default on DNE"
 
 test_71a() {
-	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return
+	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs"
 	if combined_mgs_mds; then
-		skip "needs separate MGS/MDT" && return
+		skip "needs separate MGS/MDT"
 	fi
 	local MDTIDX=1
 
@@ -5106,9 +5203,9 @@ test_71a() {
 run_test 71a "start MDT0 OST0, MDT1, OST1"
 
 test_71b() {
-	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return
+	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs"
 	if combined_mgs_mds; then
-		skip "needs separate MGS/MDT" && return
+		skip "needs separate MGS/MDT"
 	fi
 	local MDTIDX=1
 
@@ -5136,10 +5233,9 @@ test_71b() {
 run_test 71b "start MDT1, OST0, MDT0, OST1"
 
 test_71c() {
-	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return
-	if combined_mgs_mds; then
-		skip "needs separate MGS/MDT" && return
-	fi
+	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs"
+	combined_mgs_mds && skip "needs separate MGS/MDT"
+
 	local MDTIDX=1
 
 	start_ost || error "OST0 start fail"
@@ -5167,10 +5263,9 @@ test_71c() {
 run_test 71c "start OST0, OST1, MDT1, MDT0"
 
 test_71d() {
-	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return
-	if combined_mgs_mds; then
-		skip "needs separate MGS/MDT" && return
-	fi
+	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs"
+	combined_mgs_mds && skip "needs separate MGS/MDT"
+
 	local MDTIDX=1
 
 	start_ost || error "OST0 start fail"
@@ -5198,10 +5293,9 @@ test_71d() {
 run_test 71d "start OST0, MDT1, MDT0, OST1"
 
 test_71e() {
-	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return
-	if combined_mgs_mds; then
-		skip "needs separate MGS/MDT" && return
-	fi
+	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs"
+	combined_mgs_mds && skip "needs separate MGS/MDT"
+
 	local MDTIDX=1
 
 	start_ost || error "OST0 start fail"
@@ -5229,14 +5323,17 @@ test_71e() {
 run_test 71e "start OST0, MDT1, OST1, MDT0"
 
 test_72() { #LU-2634
+	[ "$(facet_fstype $SINGLEMDS)" != "ldiskfs" ] &&
+		skip "ldiskfs only test"
+
 	local mdsdev=$(mdsdevname 1)
 	local ostdev=$(ostdevname 1)
 	local cmd="$E2FSCK -fnvd $mdsdev"
 	local fn=3
 	local add_options
 
-	[ "$(facet_fstype $SINGLEMDS)" != "ldiskfs" ] &&
-		skip "ldiskfs only test" && return
+	cleanup
+	load_modules
 
 	if combined_mgs_mds; then
 		add_options='--reformat'
@@ -5289,20 +5386,20 @@ test_73() { #LU-3006
 	$LCTL get_param -n osc.*OST0000-osc-[^M]*.import | grep failover_nids |
 		grep 1.2.3.4@$NETTYPE || error "failover nids haven't changed"
 	umount_client $MOUNT || error "umount client failed"
-	stopall
-	reformat
+	stop_ost
+	stop_mds
 }
 run_test 73 "failnode to update from mountdata properly"
 
 test_75() { # LU-2374
 	[[ $(lustre_version_code $SINGLEMDS) -lt $(version_code 2.4.1) ]] &&
-	                skip "Need MDS version at least 2.4.1" && return
+		skip "Need MDS version at least 2.4.1"
 
 	local index=0
 	local opts_mds="$(mkfs_opts mds1 $(mdsdevname 1)) \
-		--reformat $(mdsdevname 1) $(mdsvdevname 1)"
+		--replace --reformat $(mdsdevname 1) $(mdsvdevname 1)"
 	local opts_ost="$(mkfs_opts ost1 $(ostdevname 1)) \
-		--reformat $(ostdevname 1) $(ostvdevname 1)"
+		--replace --reformat $(ostdevname 1) $(ostvdevname 1)"
 
 	#check with default parameters
 	add mds1 $opts_mds || error "add mds1 failed for default params"
@@ -5317,28 +5414,23 @@ test_75() { # LU-2374
 
 	add mds1 $opts_mds || error "add mds1 failed for new params"
 	add ost1 $opts_ost || error "add ost1 failed for new params"
-	if ! combined_mgs_mds; then
-		stop_mgs || error "stop mgs failed"
-	fi
-	reformat
+
+	reformat_and_config
 	return 0
 }
 run_test 75 "The order of --index should be irrelevant"
 
 test_76a() {
 	[[ $(lustre_version_code mgs) -ge $(version_code 2.4.52) ]] ||
-		{ skip "Need MDS version at least 2.4.52" && return 0; }
+		skip "Need MDS version at least 2.4.52"
 
-	if ! combined_mgs_mds; then
-		start_mgs || error "start mgs failed"
-	fi
 	setup
 	local MDMB_PARAM="osc.*.max_dirty_mb"
 	echo "Change MGS params"
 	local MAX_DIRTY_MB=$($LCTL get_param -n $MDMB_PARAM |
 		head -1)
 	echo "max_dirty_mb: $MAX_DIRTY_MB"
-	local NEW_MAX_DIRTY_MB=$((MAX_DIRTY_MB + MAX_DIRTY_MB))
+	local NEW_MAX_DIRTY_MB=$((MAX_DIRTY_MB - 10))
 	echo "new_max_dirty_mb: $NEW_MAX_DIRTY_MB"
 	do_facet mgs $LCTL set_param -P $MDMB_PARAM=$NEW_MAX_DIRTY_MB
 	wait_update $HOSTNAME "$LCTL get_param -n $MDMB_PARAM |
@@ -5386,11 +5478,11 @@ test_76a() {
 		error "client_cache_count is not saved after remount"
 	stopall
 }
-run_test 76a "set permanent params set_param -P"
+run_test 76a "set permanent params with lctl across mounts"
 
 test_76b() { # LU-4783
 	[[ $(lustre_version_code mgs) -ge $(version_code 2.5.57) ]] ||
-		{ skip "Need MGS version at least 2.5.57" && return 0; }
+		skip "Need MGS version at least 2.5.57"
 	stopall
 	setupall
 	do_facet mgs $LCTL get_param mgs.MGS.live.params ||
@@ -5401,7 +5493,7 @@ run_test 76b "verify params log setup correctly"
 
 test_76c() {
 	[[ $(lustre_version_code mgs) -ge $(version_code 2.8.54) ]] ||
-		{ skip "Need MDS version at least 2.4.52" && return 0; }
+		skip "Need MDS version at least 2.4.52"
 	setupall
 	local MASK_PARAM="mdd.*.changelog_mask"
 	echo "Change changelog_mask"
@@ -5419,7 +5511,7 @@ test_76c() {
 
 	stopall
 }
-run_test 76c "verify changelog_mask is applied with set_param -P"
+run_test 76c "verify changelog_mask is applied with lctl set_param -P"
 
 test_76d() { #LU-9399
 	setupall
@@ -5447,16 +5539,16 @@ test_76d() { #LU-9399
 
 	stopall
 }
-run_test 76d "verify llite.*.xattr_cache can be set by 'set_param -P' correctly"
+run_test 76d "verify llite.*.xattr_cache can be set by 'lctl set_param -P' correctly"
 
 test_77() { # LU-3445
 	local server_version=$(lustre_version_code $SINGLEMDS)
 	[[ $server_version -ge $(version_code 2.8.55) ]] ||
-		{ skip "Need MDS version 2.8.55+ "; return; }
+		skip "Need MDS version 2.8.55+ "
 
 	if [[ -z "$fs2ost_DEV" || -z "$fs2mds_DEV" ]]; then
 		is_blkdev $SINGLEMDS $(mdsdevname ${SINGLEMDS//mds/}) &&
-		skip_env "mixed loopback and real device not working" && return
+		skip_env "mixed loopback and real device not working"
 	fi
 
 	local fs2mdsdev=$(mdsdevname 1_2)
@@ -5493,7 +5585,7 @@ run_test 77 "comma-separated MGS NIDs and failover node NIDs"
 test_78() {
 	[[ $(facet_fstype $SINGLEMDS) != ldiskfs ||
 	   $(facet_fstype ost1) != ldiskfs ]] &&
-		skip "ldiskfs only test" && return
+		skip "ldiskfs only test"
 
 	# reformat the Lustre filesystem with a smaller size
 	local saved_MDSCOUNT=$MDSCOUNT
@@ -5625,7 +5717,8 @@ test_78() {
 	# check whether the MDT or OST filesystem was shrunk or not
 	if ! $shrunk; then
 		combined_mgs_mds || stop_mgs || error "(9) stop mgs failed"
-		reformat || error "(10) reformat Lustre filesystem failed"
+		reformat_and_config ||
+			error "(10) reformat Lustre filesystem failed"
 		return 0
 	fi
 
@@ -5650,13 +5743,13 @@ test_78() {
 
 	MDSCOUNT=$saved_MDSCOUNT
 	OSTCOUNT=$saved_OSTCOUNT
-	reformat || error "(14) reformat Lustre filesystem failed"
+	reformat_and_config || error "(14) reformat Lustre filesystem failed"
 }
 run_test 78 "run resize2fs on MDT and OST filesystems"
 
 test_79() { # LU-4227
 	[[ $(lustre_version_code $SINGLEMDS) -ge $(version_code 2.5.59) ]] ||
-		{ skip "Need MDS version at least 2.5.59"; return 0; }
+		skip "Need MDS version at least 2.5.59"
 
 	local mdsdev1=$(mdsdevname 1)
 	local mdsvdev1=$(mdsvdevname 1)
@@ -5683,7 +5776,7 @@ test_79() { # LU-4227
 			if ( $i ~ "--mgsnode" ) { print $i; break } }')
 	[ -n $mgsnode_opt ] &&
 		opts_ost1=$(echo $opts_ost1 | sed -e "s/$mgsnode_opt//")
-
+	load_modules
 	# -MGS, format a mdt without --mgs option
 	add mds1 $opts_mds1 $mdsdev1 $mdsvdev1 &&
 		error "Must specify --mgs when formatting mdt combined with mgs"
@@ -5696,7 +5789,7 @@ test_79() { # LU-4227
 	add ost1 $opts_ost1 $ostdev1 $ostvdev2 &&
 		error "Must specify --mgsnode when formatting an ost"
 
-	reformat
+	reformat_and_config
 }
 run_test 79 "format MDT/OST without mgs option (should return errors)"
 
@@ -5712,7 +5805,9 @@ test_80() {
 	start_ost2 || error "Failed to start OST2"
 
 	do_facet ost1 "$LCTL set_param fail_loc=0"
-	stopall
+	stop_ost2
+	stop_ost
+	stop_mds
 }
 run_test 80 "mgc import reconnect race"
 
@@ -5743,7 +5838,10 @@ restore_ostindex() {
 	done
 	OSTCOUNT=$saved_ostcount
 
-	formatall
+	reformat
+	if ! combined_mgs_mds ; then
+		start_mgs
+	fi
 }
 
 # The main purpose of this test is to ensure the OST_INDEX_LIST functions as
@@ -5751,8 +5849,8 @@ restore_ostindex() {
 # assigned index and ensures we can mount such a formatted file system
 test_81() { # LU-4665
 	[[ $(lustre_version_code $SINGLEMDS) -ge $(version_code 2.6.54) ]] ||
-		{ skip "Need MDS version at least 2.6.54" && return; }
-	[[ $OSTCOUNT -ge 3 ]] || { skip_env "needs >= 3 OSTs" && return; }
+		skip "Need MDS version at least 2.6.54"
+	[[ $OSTCOUNT -ge 3 ]] || skip_env "needs >= 3 OSTs"
 
 	stopall
 
@@ -5790,8 +5888,23 @@ test_81() { # LU-4665
 
 	# Check max_easize.
 	local max_easize=$($LCTL get_param -n llite.*.max_easize)
-	[[ $max_easize -eq 128 ]] ||
-		error "max_easize is $max_easize, should be 128 bytes"
+	if [ $MDS1_VERSION -lt $(version_code 2.12.51) ]
+	then
+		[[ $max_easize -eq 128 ]] ||
+			error "max_easize is $max_easize, should be 128 bytes"
+	else
+		# LU-11868
+		# 4012 is 4096 - ldiskfs ea overhead
+		[[ $max_easize -ge 4012 ]] ||
+		error "max_easize is $max_easize, should be at least 4012 bytes"
+
+		# 65452 is XATTR_SIZE_MAX - ldiskfs ea overhead
+		if large_xattr_enabled;
+		then
+			[[ $max_easize -ge 65452 ]] ||
+			error "max_easize is $max_easize, should be at least 65452 bytes"
+		fi
+	fi
 
 	restore_ostindex
 }
@@ -5813,8 +5926,8 @@ run_test 81 "sparse OST indexing"
 # 5. Lastly ensure this functionality fails with directories.
 test_82a() { # LU-4665
 	[[ $(lustre_version_code $SINGLEMDS) -ge $(version_code 2.6.54) ]] ||
-		{ skip "Need MDS version at least 2.6.54" && return; }
-	[[ $OSTCOUNT -ge 3 ]] || { skip_env "needs >= 3 OSTs" && return; }
+		skip "Need MDS version at least 2.6.54"
+	[[ $OSTCOUNT -ge 3 ]] || skip_env "needs >= 3 OSTs"
 
 	stopall
 
@@ -5831,7 +5944,7 @@ test_82a() { # LU-4665
 	done
 	ost_indices=$(comma_list $ost_indices)
 
-	trap "restore_ostindex" EXIT
+	stack_trap "restore_ostindex" EXIT
 	echo -e "\nFormat $OSTCOUNT OSTs with sparse indices $ost_indices"
 	OST_INDEX_LIST=[$ost_indices] formatall
 
@@ -5842,16 +5955,23 @@ test_82a() { # LU-4665
 			error "start ost$i failed"
 	done
 
+	# Collect debug information - start of test
+	do_nodes $(comma_list $(mdts_nodes)) \
+		   $LCTL get_param osc.*.prealloc_*_id
+
 	mount_client $MOUNT || error "mount client $MOUNT failed"
 	wait_osts_up
 
 	$LFS df $MOUNT || error "$LFS df $MOUNT failed"
 	mkdir $DIR/$tdir || error "mkdir $DIR/$tdir failed"
 
+	stack_trap "do_nodes $(comma_list $(mdts_nodes)) \
+		   $LCTL get_param osc.*.prealloc_*_id" EXIT
+
 	# 1. If the file does not exist, new file will be created
 	#    with specified OSTs.
 	local file=$DIR/$tdir/$tfile-1
-	local cmd="$SETSTRIPE -o $ost_indices $file"
+	local cmd="$LFS setstripe -o $ost_indices $file"
 	echo -e "\n$cmd"
 	eval $cmd || error "$cmd failed"
 	check_stripe_count $file $OSTCOUNT
@@ -5863,7 +5983,7 @@ test_82a() { # LU-4665
 	#    will be attached with specified layout.
 	file=$DIR/$tdir/$tfile-2
 	mcreate $file || error "mcreate $file failed"
-	cmd="$SETSTRIPE -o $ost_indices $file"
+	cmd="$LFS setstripe -o $ost_indices $file"
 	echo -e "\n$cmd"
 	eval $cmd || error "$cmd failed"
 	dd if=/dev/urandom of=$file count=1 bs=1M > /dev/null 2>&1 ||
@@ -5880,7 +6000,7 @@ test_82a() { # LU-4665
 	#    be in the OST indices list.
 	local start_ost_idx=${ost_indices##*,}
 	file=$DIR/$tdir/$tfile-3
-	cmd="$SETSTRIPE -o $ost_indices -i $start_ost_idx $file"
+	cmd="$LFS setstripe -o $ost_indices -i $start_ost_idx $file"
 	echo -e "\n$cmd"
 	eval $cmd || error "$cmd failed"
 	check_stripe_count $file $OSTCOUNT
@@ -5888,23 +6008,27 @@ test_82a() { # LU-4665
 	check_start_ost_idx $file $start_ost_idx
 
 	file=$DIR/$tdir/$tfile-4
-	cmd="$SETSTRIPE"
+	cmd="$LFS setstripe"
 	cmd+=" -o $(exclude_items_from_list $ost_indices $start_ost_idx)"
 	cmd+=" -i $start_ost_idx $file"
 	echo -e "\n$cmd"
 	eval $cmd && error "index $start_ost_idx should be in $ost_indices"
 
-	# 5. Specifying OST indices for directory should fail with ENOSUPP.
+	# 5. Specifying OST indices for directory should succeed.
 	local dir=$DIR/$tdir/$tdir
 	mkdir $dir || error "mkdir $dir failed"
-	cmd="$SETSTRIPE -o $ost_indices $dir"
-	echo -e "\n$cmd"
-	eval $cmd && error "$cmd should fail, specifying OST indices" \
-			   "for directory is not supported"
+	cmd="$LFS setstripe -o $ost_indices $dir"
+	if [[ $(lustre_version_code $SINGLEMDS) -gt $(version_code 2.11.53) &&
+	   $(lustre_version_code client -gt $(version_code 2.11.53)) ]]; then
+		echo -e "\n$cmd"
+		eval $cmd || error "unable to specify OST indices on directory"
+	else
+		echo "need MDS+client version at least 2.11.53"
+	fi
 
 	restore_ostindex
 }
-run_test 82a "specify OSTs for file (succeed) or directory (fail)"
+run_test 82a "specify OSTs for file (succeed) or directory (succeed)"
 
 cleanup_82b() {
 	trap 0
@@ -5924,8 +6048,8 @@ cleanup_82b() {
 # supplied pool.
 test_82b() { # LU-4665
 	[[ $(lustre_version_code $SINGLEMDS) -ge $(version_code 2.6.54) ]] ||
-		{ skip "Need MDS version at least 2.6.54" && return; }
-	[[ $OSTCOUNT -ge 4 ]] || { skip_env "needs >= 4 OSTs" && return; }
+		skip "Need MDS version at least 2.6.54"
+	[[ $OSTCOUNT -ge 4 ]] || skip_env "needs >= 4 OSTs"
 
 	stopall
 
@@ -5994,17 +6118,17 @@ test_82b() { # LU-4665
 	# If [--pool|-p <pool_name>] is set with [--ost-list|-o <ost_indices>],
 	# then the OSTs must be the members of the pool.
 	local file=$DIR/$tdir/$tfile
-	cmd="$SETSTRIPE -p $ost_pool -o $ost_idx_in_list $file"
+	cmd="$LFS setstripe -p $ost_pool -o $ost_idx_in_list $file"
 	echo -e "\n$cmd"
 	eval $cmd && error "OST with index $ost_idx_in_list should be" \
 			   "in OST pool $ost_pool"
 
 	# Only select OST $ost_idx_in_list from $ost_pool for file.
 	ost_idx_in_list=${ost_idx_in_pool#*,}
-	cmd="$SETSTRIPE -p $ost_pool -o $ost_idx_in_list $file"
+	cmd="$LFS setstripe -p $ost_pool -o $ost_idx_in_list $file"
 	echo -e "\n$cmd"
 	eval $cmd || error "$cmd failed"
-	cmd="$GETSTRIPE $file"
+	cmd="$LFS getstripe $file"
 	echo -e "\n$cmd"
 	eval $cmd || error "$cmd failed"
 	check_stripe_count $file 2
@@ -6018,10 +6142,9 @@ run_test 82b "specify OSTs for file with --pool and --ost-list options"
 
 test_83() {
 	[[ $(lustre_version_code ost1) -ge $(version_code 2.6.91) ]] ||
-		{ skip "Need OST version at least 2.6.91" && return 0; }
+		skip "Need OST version at least 2.6.91"
 	if [ $(facet_fstype ost1) != ldiskfs ]; then
 		skip "ldiskfs only test"
-		return
 	fi
 
 	local dev
@@ -6065,7 +6188,7 @@ test_83() {
 	err=$(do_facet ost1 dmesg | grep "VFS: Busy inodes after unmount of")
 	echo "string err $err"
 	[ -z "$err" ] || error $err
-	reformat
+	reformat_and_config
 }
 run_test 83 "ENOSPACE on OST doesn't cause message VFS: \
 Busy inodes after unmount ..."
@@ -6136,7 +6259,7 @@ run_test 84 "check recovery_hard_time"
 
 test_85() {
 	[[ $(lustre_version_code ost1) -ge $(version_code 2.7.55) ]] ||
-		{ skip "Need OST version at least 2.7.55" && return 0; }
+		skip "Need OST version at least 2.7.55"
 ##define OBD_FAIL_OSD_OST_EA_FID_SET 0x197
 	do_facet ost1 "lctl set_param fail_loc=0x197"
 	start_ost
@@ -6156,9 +6279,9 @@ cleanup_86() {
 test_86() {
 	local server_version=$(lustre_version_code $SINGLEMDS)
 	[ "$(facet_fstype ost1)" = "zfs" ] &&
-		skip "LU-6442: no such mkfs params for ZFS OSTs" && return
+		skip "LU-6442: no such mkfs params for ZFS OSTs"
 	[[ $server_version -ge $(version_code 2.7.56) ]] ||
-		{ skip "Need server version newer than 2.7.55"; return 0; }
+		skip "Need server version newer than 2.7.55"
 
 	local OST_OPTS="$(mkfs_opts ost1 $(ostdevname 1)) \
 		--reformat $(ostdevname 1) $(ostvdevname 1)"
@@ -6196,11 +6319,11 @@ run_test 86 "Replacing mkfs.lustre -G option"
 
 test_87() { #LU-6544
 	[[ $(lustre_version_code $SINGLEMDS) -ge $(version_code 2.9.51) ]] ||
-		{ skip "Need MDS version at least 2.9.51" && return; }
+		skip "Need MDS version at least 2.9.51"
 	[[ $(facet_fstype $SINGLEMDS) != ldiskfs ]] &&
-		{ skip "ldiskfs only test" && return; }
+		skip "ldiskfs only test"
 	[[ $OSTCOUNT -gt 59 ]] &&
-		{ skip "Ignore wide striping situation" && return; }
+		skip "Ignore wide striping situation"
 
 	local mdsdev=$(mdsdevname 1)
 	local mdsvdev=$(mdsvdevname 1)
@@ -6236,6 +6359,10 @@ test_87() { #LU-6544
 	unload_modules
 	reformat
 
+	if ! combined_mgs_mds ; then
+		start_mgs
+	fi
+
 	add mds1 $(mkfs_opts mds1 ${mdsdev}) --stripe-count-hint=$stripe_cnt \
 		--reformat $mdsdev $mdsvdev || error "add mds1 failed"
 	start_mdt 1 > /dev/null || error "start mdt1 failed"
@@ -6247,10 +6374,10 @@ test_87() { #LU-6544
 	check_mount || error "check client $MOUNT failed"
 
 	#set xattr
-	$SETSTRIPE -E 1M -S 1M -c 1 -E 64M -c 1 -E -1 -c -1 $file ||
+	$LFS setstripe -E 1M -S 1M -c 1 -E 64M -c 1 -E -1 -c -1 $file ||
 		error "Create file with 3 components failed"
 	$TRUNCATE $file $((1024*1024*64+1)) || error "truncate file failed"
-	i=$($GETSTRIPE -I3 -c $file) || error "get 3rd stripe count failed"
+	i=$($LFS getstripe -I3 -c $file) || error "get 3rd stripe count failed"
 	if [ $i -ne $OSTCOUNT ]; then
 		left_size=$(expr $left_size + $(expr $OSTCOUNT - $i) \* 24)
 		echo -n "Since only $i out $OSTCOUNT OSTs are used, "
@@ -6275,13 +6402,17 @@ test_87() { #LU-6544
 		       more than $left_size-byte space left in inode."
 	echo "Verified: at most $left_size-byte space left in inode."
 
-	stopall
+	umount_ldiskfs $SINGLEMDS
+
+	for i in $(seq $OSTCOUNT); do
+		stop ost$i -f || error "stop ost$i failed"
+	done
 }
 run_test 87 "check if MDT inode can hold EAs with N stripes properly"
 
 test_88() {
 	[ "$(facet_fstype mds1)" == "zfs" ] &&
-		skip "LU-6662: no implementation for ZFS" && return
+		skip "LU-6662: no implementation for ZFS"
 
 	load_modules
 
@@ -6304,7 +6435,7 @@ run_test 88 "check the default mount options can be overridden"
 
 test_89() { # LU-7131
 	[[ $(lustre_version_code $SINGLEMDS) -ge $(version_code 2.9.54) ]] ||
-		{ skip "Need MDT version at least 2.9.54" && return 0; }
+		skip "Need MDT version at least 2.9.54"
 
 	local key=failover.node
 	local val1=192.0.2.254@tcp0 # Reserved IPs, see RFC 5735
@@ -6373,7 +6504,7 @@ test_89() { # LU-7131
 	[ $(echo $params | tr ' ' '\n') == "$key=$val1" ] ||
 		error "on-disk param not added correctly with --erase-params"
 
-	reformat
+	reformat_and_config
 }
 run_test 89 "check tunefs --param and --erase-param{s} options"
 
@@ -6462,15 +6593,11 @@ check_max_mod_rpcs_in_flight() {
 }
 
 test_90a() {
-	reformat
-	if ! combined_mgs_mds ; then
-		start_mgs
-	fi
 	setup
 
 	[[ $($LCTL get_param mdc.*.import |
 	     grep "connect_flags:.*multi_mod_rpc") ]] ||
-		{ skip "Need MDC with 'multi_mod_rpcs' feature"; return 0; }
+		skip "Need MDC with 'multi_mod_rpcs' feature"
 
 	# check default value
 	$LFS mkdir -c1 $DIR/$tdir || error "mkdir $DIR/$tdir failed"
@@ -6490,7 +6617,7 @@ test_90b() {
 
 	[[ $($LCTL get_param mdc.*.import |
 	     grep "connect_flags:.*multi_mod_rpc") ]] ||
-		{ skip "Need MDC with 'multi_mod_rpcs' feature"; return 0; }
+		skip "Need MDC with 'multi_mod_rpcs' feature"
 
 	### test 1.
 	# update max_mod_rpcs_in_flight
@@ -6502,9 +6629,8 @@ test_90b() {
 	tmp=$($LCTL get_param -n mdc.$FSNAME-MDT*-mdc-*.import |
 		grep -c "multi_mod_rpcs")
 	if [ "$tmp" -ne $MDSCOUNT ]; then
-		echo "Client not able to send multiple modify RPCs in parallel"
 		cleanup
-		return
+		skip "Client not able to send multiple modify RPCs in parallel"
 	fi
 
 	# update max_mod_rpcs_in_flight
@@ -6546,15 +6672,14 @@ test_90c() {
 
 	[[ $($LCTL get_param mdc.*.import |
 	     grep "connect_flags:.*multi_mod_rpc") ]] ||
-		{ skip "Need MDC with 'multi_mod_rpcs' feature"; return 0; }
+		skip "Need MDC with 'multi_mod_rpcs' feature"
 
 	# check client is able to send multiple modify RPCs in paralell
 	tmp=$($LCTL get_param -n mdc.$FSNAME-MDT*-mdc-*.import |
 		grep -c "multi_mod_rpcs")
 	if [ "$tmp" -ne $MDSCOUNT ]; then
-		skip "Client not able to send multiple modify RPCs in parallel"
 		cleanup
-		return
+		skip "Client not able to send multiple modify RPCs in parallel"
 	fi
 
 	# get max_rpcs_in_flight value
@@ -6608,7 +6733,7 @@ test_90d() {
 
 	[[ $($LCTL get_param mdc.*.import |
 	     grep "connect_flags:.*multi_mod_rpc") ]] ||
-		{ skip "Need MDC with 'multi_mod_rpcs' feature"; return 0; }
+		skip "Need MDC with 'multi_mod_rpcs' feature"
 
 	$LFS mkdir -c1 $DIR/$tdir || error "mkdir $DIR/$tdir failed"
 	idx=$(printf "%04x" $($LFS getdirstripe -i $DIR/$tdir))
@@ -6618,9 +6743,8 @@ test_90d() {
 	tmp=$($LCTL get_param -N \
 		mdc.$FSNAME-MDT$idx-mdc-*.max_mod_rpcs_in_flight)
 	if [ -z "$tmp" ]; then
-		skip "Client does not support multiple modify RPCs in flight"
 		cleanup
-		return
+		skip "Client does not support multiple modify RPCs in flight"
 	fi
 
 	# get current value of max_mod_rcps_in_flight
@@ -6682,9 +6806,9 @@ test_91() {
 	local found
 
 	[[ $(lustre_version_code ost1) -ge $(version_code 2.7.63) ]] ||
-		{ skip "Need OST version at least 2.7.63" && return 0; }
+		skip "Need OST version at least 2.7.63"
 	[[ $(lustre_version_code $SINGLEMDS) -ge $(version_code 2.7.63) ]] ||
-		{ skip "Need MDT version at least 2.7.63" && return 0; }
+		skip "Need MDT version at least 2.7.63"
 
 	start_mds || error "MDS start failed"
 	start_ost || error "unable to start OST"
@@ -6877,7 +7001,7 @@ test_92() {
 run_test 92 "ldev returns MGS NID correctly in command substitution"
 
 test_93() {
-	[ $MDSCOUNT -lt 3 ] && skip "needs >= 3 MDTs" && return
+	[ $MDSCOUNT -lt 3 ] && skip "needs >= 3 MDTs"
 
 	reformat
 	#start mgs or mgs/mdt0
@@ -6891,14 +7015,14 @@ test_93() {
 	start_ost || error "OST0 start fail"
 
 	#define OBD_FAIL_MGS_WRITE_TARGET_DELAY	 0x90e
-	do_facet mgs "$LCTL set_param fail_val = 10 fail_loc=0x8000090e"
+	do_facet mgs "$LCTL set_param fail_val=10 fail_loc=0x8000090e"
 	for num in $(seq 2 $MDSCOUNT); do
 		start_mdt $num &
 	done
 
 	mount_client $MOUNT || error "mount client fails"
 	wait_osc_import_state mds ost FULL
-	wait_osc_import_state client ost FULL
+	wait_osc_import_ready client ost
 	check_mount || error "check_mount failed"
 
 	cleanup || error "cleanup failed with $?"
@@ -7182,14 +7306,14 @@ run_test 98 "Buffer-overflow check while parsing mount_opts"
 test_99()
 {
 	[[ $(facet_fstype ost1) != ldiskfs ]] &&
-		{ skip "ldiskfs only test" && return; }
+		skip "ldiskfs only test"
 	[[ $(lustre_version_code ost1) -ge $(version_code 2.8.57) ]] ||
-		{ skip "Need OST version at least 2.8.57" && return 0; }
+		skip "Need OST version at least 2.8.57"
 
 	local ost_opts="$(mkfs_opts ost1 $(ostdevname 1)) \
 		--reformat $(ostdevname 1) $(ostvdevname 1)"
 	do_facet ost1 $DEBUGFS -c -R stats `ostdevname 1` | grep "meta_bg" &&
-		skip "meta_bg already set" && return
+		skip "meta_bg already set"
 
 	local opts=ost_opts
 	if [[ ${!opts} != *mkfsoptions* ]]; then
@@ -7203,18 +7327,18 @@ test_99()
 
 	echo "params: $opts"
 
+	load_modules
 	add ost1 $opts || error "add ost1 failed with new params"
 
 	do_facet ost1 $DEBUGFS -c -R stats `ostdevname 1` | grep "meta_bg" ||
 		error "meta_bg is not set"
-
-	reformat
 }
 run_test 99 "Adding meta_bg option"
 
 test_100() {
 	reformat
-	start_mds || error "MDS start failed"
+
+	start_mgsmds || error "MDS start failed"
 	start_ost || error "unable to start OST"
 	mount_client $MOUNT || error "client start failed"
 	check_mount || error "check_mount failed"
@@ -7240,12 +7364,13 @@ test_100() {
 run_test 100 "check lshowmount lists MGS, MDT, OST and 0@lo"
 
 test_101() {
-	local createmany_oid
+	local createmany_pid
 	local dev=$FSNAME-OST0000-osc-MDT0000
 	setup
 
-	createmany -o $DIR1/$tfile-%d 50000 &
-	createmany_oid=$!
+	mkdir $DIR1/$tdir
+	createmany -o $DIR1/$tdir/$tfile-%d 50000 &
+	createmany_pid=$!
 	# MDT->OST reconnection causes MDT<->OST last_id synchornisation
 	# via osp_precreate_cleanup_orphans.
 	for ((i = 0; i < 100; i++)); do
@@ -7255,17 +7380,25 @@ test_101() {
 		done
 
 		ls -asl $MOUNT | grep '???' &&
-			(kill -9 $createmany_oid &>/dev/null; \
-			 error "File hasn't object on OST")
+			{ kill -9 $createmany_pid &>/dev/null;
+			  error "File has no object on OST"; }
 
-		kill -s 0 $createmany_oid || break
+		kill -s 0 $createmany_pid || break
 	done
-	wait $createmany_oid
+	wait $createmany_pid
+
+	unlinkmany $DIR1/$tdir/$tfile-%d 50000
 	cleanup
 }
 run_test 101 "Race MDT->OST reconnection with create"
 
 test_102() {
+	[[ $(lustre_version_code $SINGLEMDS) -gt $(version_code 2.9.53) ]] ||
+		skip "Need server version greater than 2.9.53"
+	[[ “$(mdsdevname 1)” != “$(mgsdevname)” ]] &&
+		[[ “$(facet_host mds1)” = “$(facet_host mgs)” ]] &&
+		skip "MGS must be on different node or combined"
+
 	cleanup || error "cleanup failed with $?"
 
 	local mds1dev=$(mdsdevname 1)
@@ -7390,7 +7523,7 @@ test_103() {
 
 	test_103_set_pool $FSNAME OST0000
 
-	$SETSTRIPE -p $FSNAME $DIR/$tdir/d0 ||
+	$LFS setstripe -p $FSNAME $DIR/$tdir/d0 ||
 		error "(6) Fail to setstripe on $DIR/$tdir/d0"
 
 	if ! combined_mgs_mds ; then
@@ -7414,7 +7547,7 @@ test_103() {
 		test_103_set_pool $save_fsname OST0001
 	fi
 
-	$SETSTRIPE -p $save_fsname $DIR/$tdir/f0 ||
+	$LFS setstripe -p $save_fsname $DIR/$tdir/f0 ||
 		error "(16) Fail to setstripe on $DIR/$tdir/f0"
 	if ! combined_mgs_mds ; then
 		umount_mgs_client
@@ -7453,7 +7586,7 @@ test_104() { # LU-6952
 			awk '{ print $2 }')
 
 	[[ $(version_code $lctl_ver) -lt $(version_code 2.9.55) ]] &&
-		{ skip "this test needs utils above 2.9.55" && return 0; }
+		skip "this test needs utils above 2.9.55"
 
 	# specify "acl" in mount options used by mkfs.lustre
 	if [ -z "$MDS_MOUNT_FS_OPTS" ]; then
@@ -7467,6 +7600,10 @@ test_104() { # LU-6952
 
 	#reformat/remount the MDT to apply the MDT_MOUNT_FS_OPT options
 	formatall
+	if ! combined_mgs_mds ; then
+		start_mgs
+	fi
+
 	if [ -z "$MDS_MOUNT_OPTS" ]; then
 		MDS_MOUNT_OPTS="-o noacl"
 	else
@@ -7490,9 +7627,6 @@ test_104() { # LU-6952
 	MDS_MOUNT_OPTS=$mds_mountopts
 	OST_MOUNT_OPTS=$ost_mountopts
 	MDS_MOUNT_FS_OPTS=$mds_mountfsopts
-
-	formatall
-	setupall
 }
 run_test 104 "Make sure user defined options are reflected in mount"
 
@@ -7505,7 +7639,7 @@ error_and_umount() {
 test_105() {
 	cleanup -f
 	reformat
-	setup
+	setup_noconfig
 	mkdir -p $TMP/$tdir
 	mount --bind $DIR $TMP/$tdir || error "mount bind mnt pt failed"
 	rm -f $TMP/$tdir/$tfile
@@ -7538,7 +7672,7 @@ test_106() {
 	local repeat=5
 
 	reformat
-	setupall
+	setup_noconfig
 	mkdir -p $DIR/$tdir || error "create $tdir failed"
 	lfs setstripe -c 1 -i 0 $DIR/$tdir
 #define OBD_FAIL_CAT_RECORDS                        0x1312
@@ -7556,20 +7690,25 @@ test_106() {
 #shows that osp code is buggy
 	do_facet mds1 $LCTL set_param fail_loc=0 fail_val=0
 
-	stopall
+	cleanup
 }
 run_test 106 "check osp llog processing when catalog is wrapped"
 
 test_107() {
 	[[ $(lustre_version_code $SINGLEMDS) -ge $(version_code 2.10.50) ]] ||
-		{ skip "Need MDS version > 2.10.50"; return; }
+		skip "Need MDS version > 2.10.50"
+	local cmd
 
 	start_mgsmds || error "start_mgsmds failed"
 	start_ost || error "unable to start OST"
 
 	# add unknown configuration parameter.
-	local PARAM="$FSNAME-OST0000.ost.unknown_param=50"
-	do_facet mgs "$LCTL conf_param $PARAM"
+	if [[ $PERM_CMD == *"set_param -P"* ]]; then
+		cmd="$PERM_CMD ost.$FSNAME-OST0000*.unknown_param"
+	else
+		cmd="$PERM_CMD $FSNAME-OST0000*.ost.unknown_param"
+	fi
+	do_facet mgs "$cmd=50"
 	cleanup_nocli || error "cleanup_nocli failed with $?"
 	load_modules
 
@@ -7665,13 +7804,10 @@ t_108_cleanup() {
 }
 
 test_108a() {
-	[ "$CLIENTONLY" ] && skip "Client-only testing" && return
-
-	[ $(facet_fstype $SINGLEMDS) != "zfs" ] &&
-		skip "zfs only test" && return
-
+	[ "$CLIENTONLY" ] && skip "Client-only testing"
+	[ $(facet_fstype $SINGLEMDS) != "zfs" ] && skip "zfs only test"
 	[ $(lustre_version_code $SINGLEMDS) -lt $(version_code 2.10.58) ] &&
-		skip "Need server version at least 2.10.58" && return
+		skip "Need server version at least 2.10.58"
 
 	stopall
 	load_modules
@@ -7732,13 +7868,10 @@ test_108a() {
 run_test 108a "migrate from ldiskfs to ZFS"
 
 test_108b() {
-	[ "$CLIENTONLY" ] && skip "Client-only testing" && return
-
-	[ $(facet_fstype $SINGLEMDS) != "ldiskfs" ] &&
-		skip "ldiskfs only test" && return
-
+	[ "$CLIENTONLY" ] && skip "Client-only testing"
+	[ $(facet_fstype $SINGLEMDS) != "ldiskfs" ] && skip "ldiskfs only test"
 	[ $(lustre_version_code $SINGLEMDS) -lt $(version_code 2.10.58) ] &&
-		skip "Need server version at least 2.10.58" && return
+		skip "Need server version at least 2.10.58"
 
 	stopall
 	load_modules
@@ -7762,6 +7895,7 @@ test_108b() {
 		$rcmd mount -t ldiskfs -o loop $tmp/images/$facet \
 			$tmp/mnt/$facet ||
 			error "failed to local mount $facet"
+
 		$rcmd tar jxf $LUSTRE/tests/zfs_${facet}_2_11.tar.bz2 \
 			--xattrs --xattrs-include="*.*" \
 			-C $tmp/mnt/$facet/ > /dev/null 2>&1 ||
@@ -7806,20 +7940,20 @@ run_test 108b "migrate from ZFS to ldiskfs"
 test_109_set_params() {
 	local fsname=$1
 
-	set_conf_param_and_check mds				    \
-	    "$LCTL get_param -n mdd.$fsname-MDT0000.atime_diff"	    \
+	set_persistent_param_and_check mds			    \
+	    "mdd.$fsname-MDT0000.atime_diff"			    \
 	    "$fsname-MDT0000.mdd.atime_diff"			    \
 	    "62"
-	set_conf_param_and_check mds				    \
-	    "$LCTL get_param -n mdd.$fsname-MDT0000.atime_diff"	    \
+	set_persistent_param_and_check mds			    \
+	    "mdd.$fsname-MDT0000.atime_diff"			    \
 	    "$fsname-MDT0000.mdd.atime_diff"			    \
 	    "63"
-	set_conf_param_and_check client				    \
-	    "$LCTL get_param -n llite.$fsname*.max_read_ahead_mb"   \
+	set_persistent_param_and_check client			    \
+	    "llite.$fsname*.max_read_ahead_mb"			    \
 	    "$fsname.llite.max_read_ahead_mb"			    \
 	    "32"
-	set_conf_param_and_check client                             \
-	    "$LCTL get_param -n llite.$fsname*.max_read_ahead_mb"   \
+	set_persistent_param_and_check client			    \
+	    "llite.$fsname*.max_read_ahead_mb"			    \
 	    "$fsname.llite.max_read_ahead_mb"                       \
 	    "64"
 	create_pool $fsname.pool1 || error "create pool failed"
@@ -7859,7 +7993,7 @@ test_109_clear_conf()
 
 	local mgsdev
 	if ! combined_mgs_mds ; then
-		mgsdev=$MGSDEV
+		mgsdev=$(mgsdevname)
 		stop_mgs || error "stop_mgs failed"
 		start_mgs "-o nosvc" || error "start_mgs nosvc failed"
 	else
@@ -7898,18 +8032,27 @@ test_109_file_shortened() {
 
 test_109a()
 {
+	[ $MDS1_VERSION -lt $(version_code 2.10.59) ] &&
+		skip "Needs MDS version 2.10.59 or later."
 	[ "$(facet_fstype mgs)" == "zfs" ] &&
-		skip "LU-8727: no implementation for ZFS" && return
+		skip "LU-8727: no implementation for ZFS"
+
 	stopall
 	reformat
 	setup_noconfig
 	client_up || error "client_up failed"
+	#pool commands requires a client on MGS for procfs interfaces
+	if ! combined_mgs_mds ; then
+		mount_mgs_client
+		stack_trap umount_mgs_client EXIT
+	fi
 
 	#
 	# set number of permanent parameters
 	#
 	test_109_set_params $FSNAME
 
+	combined_mgs_mds || umount_mgs_client
 	umount_client $MOUNT || error "umount_client failed"
 	stop_ost || error "stop_ost failed"
 	stop_mds || error "stop_mds failed"
@@ -7924,6 +8067,7 @@ test_109a()
 		error "failed to clear client config"
 
 	setup_noconfig
+	combined_mgs_mds || mount_mgs_client
 
 	#
 	# check that configurations are intact
@@ -7935,24 +8079,34 @@ test_109a()
 	#
 	destroy_test_pools || error "destroy test pools failed"
 
+	combined_mgs_mds || umount_mgs_client
 	cleanup
 }
 run_test 109a "test lctl clear_conf fsname"
 
 test_109b()
 {
+	[ $MDS1_VERSION -lt $(version_code 2.10.59) ] &&
+		skip "Needs MDS version 2.10.59 or later."
 	[ "$(facet_fstype mgs)" == "zfs" ] &&
-		skip "LU-8727: no implementation for ZFS" && return
+		skip "LU-8727: no implementation for ZFS"
+
 	stopall
 	reformat
 	setup_noconfig
 	client_up || error "client_up failed"
+	#pool commands requires a client on MGS for procfs interfaces
+	if ! combined_mgs_mds ; then
+		mount_mgs_client
+		stack_trap umount_mgs_client EXIT
+	fi
 
 	#
 	# set number of permanent parameters
 	#
 	test_109_set_params $FSNAME
 
+	combined_mgs_mds || umount_mgs_client
 	umount_client $MOUNT || error "umount_client failed"
 	stop_ost || error "stop_ost failed"
 	stop_mds || error "stop_mds failed"
@@ -7967,7 +8121,7 @@ test_109b()
 		error "failed to clear client config"
 
 	setup_noconfig
-
+	combined_mgs_mds || mount_mgs_client
 	#
 	# check that configurations are intact
 	#
@@ -7978,26 +8132,245 @@ test_109b()
 	#
 	destroy_test_pools || error "destroy test pools failed"
 
+	combined_mgs_mds || umount_mgs_client
 	cleanup
 }
 run_test 109b "test lctl clear_conf one config"
 
+test_110()
+{
+	[[ $(facet_fstype $SINGLEMDS) != ldiskfs ]] &&
+		skip "Only applicable to ldiskfs-based MDTs"
+
+	do_facet $SINGLEMDS $DEBUGFS -w -R supported_features |grep large_dir ||
+		skip "large_dir option is not supported on MDS"
+	do_facet ost1 $DEBUGFS -w -R supported_features | grep large_dir ||
+		skip "large_dir option is not supported on OSS"
+
+	stopall # stop all targets before modifying the target counts
+	local old_mdscount=$MDSCOUNT
+	local old_ostcount=$OSTCOUNT
+	local replace=""
+	stack_trap "MDSCOUNT=$old_mdscount OSTCOUNT=$old_ostcount" EXIT
+	MDSCOUNT=1
+	OSTCOUNT=1
+
+	# ext4_dir_entry_2 struct size:264
+	# dx_root struct size:8
+	# dx_node struct size:8
+	# dx_entry struct size:8
+	# For 1024 bytes block size.
+	# First level directory entries: 126
+	# Second level directory entries: 127
+	# Entries in leaf: 3
+	# For 2 levels limit: 48006
+	# For 3 levels limit : 6096762
+	# Create 80000 files to safely exceed 2-level htree limit.
+	CONF_SANITY_110_LINKS=${CONF_SANITY_110_LINKS:-80000}
+
+	# can fit at most 3 filenames per 1KB leaf block, but each
+	# leaf/index block will only be 3/4 full before split at each level
+	(( MDSSIZE < CONF_SANITY_110_LINKS / 3 * 4/3 * 4/3 )) &&
+		CONF_SANITY_110_LINKS=$((MDSSIZE * 3 * 3/4 * 3/4))
+
+	combined_mgs_mds || replace=" --replace "
+	local opts="$(mkfs_opts mds1 $(mdsdevname 1)) \
+		    $replace --reformat $(mdsdevname 1) $(mdsvdevname 1)"
+	if [[ $opts != *mkfsoptions* ]]; then
+		opts+=" --mkfsoptions=\\\"-O large_dir -b 1024 -i 65536\\\""
+	else
+		opts="${opts//--mkfsoptions=\\\"/ \
+			--mkfsoptions=\\\"-O large_dir -b 1024 -i 65536 }"
+	fi
+	echo "MDT params: $opts"
+	load_modules
+	combined_mgs_mds || start_mgs
+	add mds1 $opts || error "add mds1 failed with new params"
+	start mds1 $(mdsdevname 1) $MDS_MOUNT_OPTS
+
+	opts="$(mkfs_opts ost1 $(ostdevname 1)) \
+		$replace --reformat $(ostdevname 1) $(ostvdevname 1)"
+
+	if [[ $opts != *mkfsoptions* ]]; then
+		opts+=" --mkfsoptions=\\\"-O large_dir\\\" "
+	else
+		opts="${opts//--mkfsoptions=\\\"/ \
+			--mkfsoptions=\\\"-O large_dir }"
+	fi
+	echo "OST params: $opts"
+	add ost1 $opts || error "add ost1 failed with new params"
+	start ost1 $(ostdevname 1) $OST_MOUNT_OPTS
+
+	MOUNT_2=yes mountcli || error "mount clients failed"
+
+	mkdir -v $DIR/$tdir || error "cannot create $DIR/$tdir"
+	local pids count=0 group=0
+
+	echo "creating $CONF_SANITY_110_LINKS in total"
+	while (( count < CONF_SANITY_110_LINKS )); do
+		local len=$((253 - $(wc -c <<<"$tfile-$group-40000-")))
+		local dir=DIR$((group % 2 + 1))
+		local target=${!dir}/$tdir/$tfile-$group
+		local long=$target-$(generate_name $len)-
+		local create=$((CONF_SANITY_110_LINKS - count))
+
+		(( create > 40000 )) && create=40000
+		touch $target || error "creating $target failed"
+		echo "creating $create hard links to $target"
+		createmany -l $target $long $create &
+		pids+=" $!"
+
+		count=$((count + create))
+		group=$((group + 1))
+	done
+	echo "waiting for PIDs$pids to complete"
+	wait $pids || error "createmany failed after $group groups"
+
+	umount_client $MOUNT2 -f
+	cleanup
+
+	run_e2fsck $(facet_active_host mds1) $(mdsdevname 1) -n
+	MDSCOUNT=$old_mdscount
+	OSTCOUNT=$old_ostcount
+}
+run_test 110 "Adding large_dir with 3-level htree"
+
+test_111() {
+	[[ $(facet_fstype $SINGLEMDS) != ldiskfs ]] &&
+		skip "Only applicable to ldiskfs-based MDTs"
+
+	is_dm_flakey_dev $SINGLEMDS $(mdsdevname 1) &&
+		skip "This test can not be executed on flakey dev"
+
+	do_facet $SINGLEMDS $DEBUGFS -w -R supported_features |grep large_dir ||
+		skip "large_dir option is not supported on MDS"
+
+	do_facet ost1 $DEBUGFS -w -R supported_features | grep large_dir ||
+		skip "large_dir option is not supported on OSS"
+
+	# cleanup before changing target counts
+	cleanup
+	local old_mdscount=$MDSCOUNT
+	local old_ostcount=$OSTCOUNT
+	local old_mdssize=$MDSSIZE
+	local replace=""
+	stack_trap "MDSSIZE=$MDSSIZE MDSCOUNT=$MDSCOUNT OSTCOUNT=$OSTCOUNT" EXIT
+	MDSCOUNT=1
+	OSTCOUNT=1
+	(( MDSSIZE < 2400000 )) && MDSSIZE=2400000 # need at least 2.4GB
+
+	local mdsdev=$(mdsdevname 1)
+	combined_mgs_mds || replace=" --replace "
+	local opts="$(mkfs_opts mds1 $(mdsdevname 1)) \
+		    $replace --reformat $(mdsdevname 1) $(mdsvdevname 1)"
+	if [[ $opts != *mkfsoptions* ]]; then
+		opts+=" --mkfsoptions=\\\"-O large_dir -i 1048576 \\\" "
+	else
+		opts="${opts//--mkfsoptions=\\\"/ \
+			--mkfsoptions=\\\"-O large_dir -i 1048576 }"
+	fi
+	echo "MDT params: $opts"
+	load_modules
+	combined_mgs_mds || start_mgs
+	__touch_device mds 1
+	add mds1 $opts || error "add mds1 failed with new params"
+	start mds1 $(mdsdevname 1) $MDS_MOUNT_OPTS
+
+	opts="$(mkfs_opts ost1 $(ostdevname 1)) \
+		$replace --reformat $(ostdevname 1) $(ostvdevname 1)"
+	if [[ $opts != *mkfsoptions* ]]; then
+		opts+=" --mkfsoptions=\\\"-O large_dir \\\""
+	else
+		opts="${opts//--mkfsoptions=\\\"/ --mkfsoptions=\\\"-O large_dir }"
+	fi
+	echo "OST params: $opts"
+	__touch_device ost 1
+	add ost1 $opts || error "add ost1 failed with new params"
+	start ost1 $(ostdevname 1) $OST_MOUNT_OPTS
+
+	MOUNT_2=yes mountcli
+	mkdir $DIR/$tdir || error "cannot create $DIR/$tdir"
+	lfs df $DIR/$tdir
+	lfs df -i $DIR/$tdir
+
+	local group=0
+
+	local start=$SECONDS
+	local dirsize=0
+	local dirmax=$((2 << 30))
+	local needskip=0
+	local taken=0
+	local rate=0
+	local left=0
+	local num=0
+	while (( !needskip & dirsize < dirmax )); do
+		local pids=""
+
+		for cli in ${CLIENTS//,/ }; do
+			local len=$((253 - $(wc -c <<<"$cli-$group-60000-")))
+			local target=$cli-$group
+			local long=$DIR/$tdir/$target-$(generate_name $len)-
+
+			RPWD=$DIR/$tdir do_node $cli touch $target ||
+				error "creating $target failed"
+			echo "creating 60000 hardlinks to $target"
+			RPWD=$DIR/$tdir do_node $cli createmany -l $target $long 60000 &
+			pids+=" $!"
+
+			group=$((group + 1))
+			target=$cli-$group
+			long=$DIR2/$tdir/$target-$(generate_name $len)-
+
+			RPWD=$DIR2/$tdir do_node $cli touch $target ||
+				error "creating $target failed"
+			echo "creating 60000 hardlinks to $target"
+			RPWD=$DIR2/$tdir do_node $cli createmany -l $target $long 60000 &
+			pids+=" $!"
+
+			group=$((group + 1))
+		done
+		echo "waiting for PIDs$pids to complete"
+		wait $pids || error "createmany failed after $group groups"
+		dirsize=$(stat -c %s $DIR/$tdir)
+		taken=$((SECONDS - start))
+		rate=$((dirsize / taken))
+		left=$(((dirmax - dirsize) / rate))
+		num=$((group * 60000))
+		echo "estimate ${left}s left after $num files / ${taken}s"
+		# if the estimated time remaining is too large (it may change
+		# over time as the create rate is not constant) then exit
+		# without declaring a failure.
+		(( left > 1200 )) && needskip=1
+	done
+
+	umount_client $MOUNT2 -f
+	cleanup
+
+	(( $needskip )) && skip "ETA ${left}s after $num files / ${taken}s is too long"
+
+	run_e2fsck $(facet_active_host mds1) $(mdsdevname 1) -n
+	MDSCOUNT=$old_mdscount
+	OSTCOUNT=$old_ostcount
+	MDSSIZE=$old_mdssize
+}
+run_test 111 "Adding large_dir with over 2GB directory"
+
+
 cleanup_115()
 {
 	trap 0
 	stopall
 	rm -f $TMP/$tdir/lustre-mdt
-	formatall
+	reformat_and_config
 }
 
 test_115() {
-	IMAGESIZE=$((3072 << 30)) # 3072 GiB
-
 	if [ $(facet_fstype $SINGLEMDS) != ldiskfs ]; then
 		skip "Only applicable to ldiskfs-based MDTs"
-		return
 	fi
 
+	IMAGESIZE=$((3072 << 30)) # 3072 GiB
+
 	stopall
 	# We need MDT size 3072GB, because it is smallest
 	# partition that can store 2B inodes
@@ -8007,15 +8380,15 @@ test_115() {
 	do_facet $SINGLEMDS "touch $mdsimgname"
 	trap cleanup_115 RETURN EXIT
 	do_facet $SINGLEMDS "$TRUNCATE $mdsimgname $IMAGESIZE" ||
-		{ skip "Backend FS doesn't support sparse files"; return 0; }
+		skip "Backend FS doesn't support sparse files"
 	local mdsdev=$(do_facet $SINGLEMDS "losetup -f")
 	do_facet $SINGLEMDS "losetup $mdsdev $mdsimgname"
 
 	local mds_opts="$(mkfs_opts mds1 ${mdsdev}) --device-size=$IMAGESIZE   \
-		--mkfsoptions='-O lazy_itable_init,large_xattr,^resize_inode,meta_bg \
+		--mkfsoptions='-O lazy_itable_init,ea_inode,^resize_inode,meta_bg \
 		-i 1024'"
 	add mds1 $mds_opts --mgs --reformat $mdsdev ||
-		{ skip_env "format large MDT failed"; return 0; }
+		skip_env "format large MDT failed"
 	add ost1 $(mkfs_opts ost1 $(ostdevname 1)) --index=$i \
 			--reformat $(ostdevname 1) $(ostvdevname 1)
 
@@ -8050,16 +8423,16 @@ test_115() {
 run_test 115 "Access large xattr with inodes number over 2TB"
 
 test_116() {
-	[ $(facet_fstype $SINGLEMDS) != "ldiskfs" ] &&
-		skip "ldiskfs only test" && return
-
+	[ $(facet_fstype $SINGLEMDS) != "ldiskfs" ] && skip "ldiskfs only test"
 	[ $(lustre_version_code $SINGLEMDS) -lt $(version_code 2.10.59) ] &&
-		skip "Need server version at least 2.10.59" && return
+		skip "Need server version at least 2.10.59"
+	do_facet $SINGLEMDS which mkfs.xfs ||
+		skip_env "No mkfs.xfs installed"
 
 	stopall
 	load_modules
 
-	local tmpmnt=/mnt/$tdir
+	local tmpmnt=$TMP/$tdir
 	local mdtimg=$tfile-mdt0
 
 	do_facet $SINGLEMDS mkdir -p $tmpmnt
@@ -8087,9 +8460,425 @@ test_116() {
 
 	do_facet $SINGLEMDS $TUNE2FS -l $tmpmnt/$mdtimg |
 		grep -qw 'features.*extent' || error "extent should be enabled"
+	reformat_and_config
 }
 run_test 116 "big size MDT support"
 
+test_117() {
+	setup
+	do_facet ost1 "$LCTL set_param ost.OSS.ost_io.nrs_policies=fifo"
+	do_facet ost1 "$LCTL get_param -n ost.OSS.ost_io.nrs_tbf_rule" &&
+		error "get_param should fail"
+	cleanup || error "cleanup failed with rc $?"
+}
+run_test 117 "lctl get_param return errors properly"
+
+test_120() { # LU-11130
+	[ "$MDSCOUNT" -lt 2 ] && skip "mdt count < 2"
+	[ $(facet_fstype $SINGLEMDS) != "ldiskfs" ] &&
+		skip "ldiskfs only test"
+	[ $(lustre_version_code $SINGLEMDS) -lt $(version_code 2.11.56) ] &&
+		skip "Need DNE2 capable MD target with LU-11130 fix"
+
+	setup
+
+	local mds1host=$(facet_active_host mds1)
+	local mds1dev=$(mdsdevname 1)
+
+	$LFS mkdir -i 1 $DIR/$tdir
+	$LFS mkdir -i 0 $DIR/$tdir/mds1dir
+
+	ln -s foo $DIR/$tdir/bar
+	mv $DIR/$tdir/bar $DIR/$tdir/mds1dir/bar2 ||
+		error "cross-target rename failed"
+
+	stopall
+
+	run_e2fsck $mds1host $mds1dev "-n"
+}
+run_test 120 "cross-target rename should not create bad symlinks"
+
+test_122() {
+	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs"
+	[[ $(lustre_version_code ost1) -ge $(version_code 2.11.53) ]] ||
+		skip "Need OST version at least 2.11.53"
+
+	reformat
+	LOAD_MODULES_REMOTE=true load_modules
+#define OBD_FAIL_OFD_SET_OID 0x1e0
+	do_facet ost1 $LCTL set_param fail_loc=0x00001e0
+
+	setup_noconfig
+	$LFS mkdir -i1 -c1 $DIR/$tdir
+	$LFS setstripe -i0 -c1 $DIR/$tdir
+	do_facet ost1 $LCTL set_param fail_loc=0
+	createmany -o $DIR/$tdir/file_ 1000 ||
+		error "Fail to create a new sequence"
+
+	cleanup
+}
+run_test 122 "Check OST sequence update"
+
+test_123aa() {
+	remote_mgs_nodsh && skip "remote MGS with nodsh"
+	[ -d $MOUNT/.lustre ] || setup
+
+	# test old logid format until removal from llog_ioctl.c::str2logid()
+	if [ $MGS_VERSION -lt $(version_code 3.1.53) ]; then
+		do_facet mgs $LCTL dl | grep MGS
+		do_facet mgs "$LCTL --device %MGS llog_print \
+			      \\\\\\\$$FSNAME-client 1 10" ||
+			error "old llog_print failed"
+	fi
+
+	# test new logid format
+	if [ $MGS_VERSION -ge $(version_code 2.9.53) ]; then
+		do_facet mgs "$LCTL --device MGS llog_print $FSNAME-client" ||
+			error "new llog_print failed"
+	fi
+}
+run_test 123aa "llog_print works with FIDs and simple names"
+
+test_123ab() {
+	remote_mgs_nodsh && skip "remote MGS with nodsh"
+	[[ $MGS_VERSION -gt $(version_code 2.11.51) ]] ||
+		skip "Need server with working llog_print support"
+
+	[ -d $MOUNT/.lustre ] || setup
+
+	local yaml
+	local orig_val
+
+	orig_val=$(do_facet mgs $LCTL get_param jobid_name)
+	do_facet mgs $LCTL set_param -P jobid_name="testname"
+
+	yaml=$(do_facet mgs $LCTL --device MGS llog_print params |
+	       grep jobid_name | tail -n 1)
+
+	local param=$(awk '{ print $10 }' <<< "$yaml")
+	local val=$(awk '{ print $12 }' <<< "$yaml")
+	#return to the default
+	do_facet mgs $LCTL set_param -P jobid_name=$orig_val
+	[ $val = "testname" ] || error "bad value: $val"
+	[ $param = "jobid_name," ] || error "Bad param: $param"
+}
+run_test 123ab "llog_print params output values from set_param -P"
+
+test_123ac() { # LU-11566
+	remote_mgs_nodsh && skip "remote MGS with nodsh"
+	do_facet mgs "$LCTL help llog_print" 2>&1 | grep -q -- --start ||
+		skip "Need 'lctl llog_print --start' on MGS"
+
+	local start=10
+	local end=50
+
+	[ -d $MOUNT/.lustre ] || setup
+
+	# - { index: 10, event: add_uuid, nid: 192.168.20.1@tcp(0x20000c0a81401,
+	#     node: 192.168.20.1@tcp }
+	do_facet mgs $LCTL --device MGS \
+		llog_print --start $start --end $end $FSNAME-client | tr -d , |
+		while read DASH BRACE INDEX idx EVENT BLAH BLAH BLAH; do
+		(( idx >= start )) || error "llog_print index $idx < $start"
+		(( idx <= end )) || error "llog_print index $idx > $end"
+	done
+}
+run_test 123ac "llog_print with --start and --end"
+
+test_123ad() { # LU-11566
+	remote_mgs_nodsh && skip "remote MGS with nodsh"
+	# older versions of lctl may not print all records properly
+	do_facet mgs "$LCTL help llog_print" 2>&1 | grep -q -- --start ||
+		skip "Need 'lctl llog_print --start' on MGS"
+
+	[ -d $MOUNT/.lustre ] || setup
+
+	# append a new record, to avoid issues if last record was cancelled
+	local old=$($LCTL get_param -n osc.*-OST0000-*.max_dirty_mb | head -1)
+	do_facet mgs $LCTL conf_param $FSNAME-OST0000.osc.max_dirty_mb=$old
+
+	# logid:            [0x3:0xa:0x0]:0
+	# flags:            4 (plain)
+	# records_count:    72
+	# last_index:       72
+	local num=$(do_facet mgs $LCTL --device MGS llog_info $FSNAME-client |
+		    awk '/last_index:/ { print $2 - 1 }')
+
+	# - { index: 71, event: set_timeout, num: 0x14, param: sys.timeout=20 }
+	local last=$(do_facet mgs $LCTL --device MGS llog_print $FSNAME-client |
+		     tail -1 | awk '{ print $4 }' | tr -d , )
+	(( last == num )) || error "llog_print only showed $last/$num records"
+}
+run_test 123ad "llog_print shows all records"
+
+test_123ae() { # LU-11566
+	remote_mgs_nodsh && skip "remote MGS with nodsh"
+	[ -d $MOUNT/.lustre ] || setupall
+
+	local max=$($LCTL get_param -n osc.*-OST0000-*.max_dirty_mb | head -1)
+
+	if do_facet mgs "$LCTL help llog_cancel" 2>&1| grep -q -- --log_id; then
+		# save one set_param -P record in case none exist
+		do_facet mgs $LCTL set_param -P osc.*.max_dirty_mb=$max
+
+		local log=params
+		local orig=$(do_facet mgs $LCTL --device MGS llog_print $log |
+			     tail -1 | awk '{ print $4 }' | tr -d , )
+		do_facet mgs $LCTL set_param -P osc.*.max_dirty_mb=$max
+		do_facet mgs $LCTL --device MGS llog_print $log | tail -1 |
+			grep "parameter: osc.*.max_dirty_mb" ||
+			error "new set_param -P wasn't stored in params log"
+
+		# - { index: 71, event: set_param, device: general,
+		#     param: osc.*.max_dirty_mb, value: 256 }
+		local id=$(do_facet mgs $LCTL --device MGS llog_print $log |
+			   tail -1 | awk '{ print $4 }' | tr -d , )
+
+		do_facet mgs $LCTL --device MGS llog_cancel $log --log_idx=$id
+		local new=$(do_facet mgs $LCTL --device MGS llog_print $log |
+			    tail -1 | awk '{ print $4 }' | tr -d , )
+		(( new == orig )) ||
+			error "new llog_cancel now $new, not at $orig records"
+	fi
+
+	# test old positional parameters for a while still
+	if [ $(lustre_version_code mgs) -le $(version_code 3.1.53) ]; then
+		log=$FSNAME-client
+		orig=$(do_facet mgs $LCTL --device MGS llog_print $log |
+		       tail -1 | awk '{ print $4 }' | tr -d , )
+		do_facet mgs $LCTL conf_param $FSNAME-OST0000.osc.max_dirty_mb=$max
+		do_facet mgs $LCTL --device MGS llog_print $log |
+			tail -1 | grep "parameter: osc.max_dirty_mb" ||
+			error "old conf_param wasn't stored in params log"
+
+		# - { index: 71, event: conf_param, device: testfs-OST0000-osc,
+		#     param: osc.max_dirty_mb=256 }
+		id=$(do_facet mgs $LCTL --device MGS llog_print $log |
+		     tail -1 | awk '{ print $4 }' | tr -d , )
+		do_facet mgs $LCTL --device MGS llog_cancel $log $id
+		new=$(do_facet mgs $LCTL --device MGS llog_print $log |
+		      tail -1 | awk '{ print $4 }' | tr -d , )
+		(( new == orig )) ||
+			error "old llog_cancel now $new, not at $orig records"
+	fi
+}
+run_test 123ae "llog_cancel can cancel requested record"
+
+test_123F() {
+	remote_mgs_nodsh && skip "remote MGS with nodsh"
+
+	[ -d $MOUNT/.lustre ] || setup
+	local yaml_file="$TMP/$tfile.yaml"
+	do_facet mgs rm "$yaml_file"
+	local cfgfiles=$(do_facet mgs "lctl --device MGS llog_catlist" |
+			 sed 's/config_log://')
+
+	# set jobid_var to a different value for test
+	local orig_val=$(do_facet mgs $LCTL get_param jobid_var)
+	do_facet mgs $LCTL set_param -P jobid_var="testname"
+
+	for i in $cfgfiles params; do
+		do_facet mgs "lctl --device MGS llog_print ${i} >> $yaml_file"
+	done
+
+	echo "Unmounting FS"
+	stopall
+	echo "Writeconf"
+	writeconf_all
+	echo "Remounting"
+	mountmgs
+	mountmds
+	mountoss
+	mountcli
+
+	# Reapply the config from before
+	echo "Setting configuration parameters"
+	do_facet mgs "lctl set_param -F $yaml_file"
+
+	local set_val=$(do_facet mgs $LCTL get_param jobid_var)
+	do_facet mgs $LCTL set_param -P $orig_val
+
+	[ $set_val == "jobid_var=testname" ] ||
+		error "$set_val is not testname"
+
+	do_facet mgs rm "$yaml_file"
+	cleanup
+}
+run_test 123F "clear and reset all parameters using set_param -F"
+
+test_124()
+{
+	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs"
+	[ -z $mds2failover_HOST ] && skip "needs MDT failover setup"
+
+	setup
+	cleanup
+
+	load_modules
+	if combined_mgs_mds; then
+		start_mdt 1 "-o nosvc" ||
+			error "starting mds with nosvc option failed"
+	fi
+	local nid=$(do_facet mds2 $LCTL list_nids | head -1)
+	local failover_nid=$(do_node $mds2failover_HOST $LCTL list_nids | head -1)
+	do_facet mgs $LCTL replace_nids $FSNAME-MDT0001 $nid:$failover_nid ||
+		error "replace_nids execution error"
+
+	if combined_mgs_mds; then
+		stop_mdt 1
+	fi
+
+	setup
+	fail mds2
+	echo "lfs setdirstripe"
+	$LFS setdirstripe -i 1 $MOUNT/$tdir || error "setdirstirpe error"
+	echo ok
+}
+run_test 124 "check failover after replace_nids"
+
+get_max_sectors_kb() {
+	local facet="$1"
+	local device="$2"
+	local dev_base=$(basename $(do_facet ${facet} "readlink -f ${device}"))
+	local max_sectors_path="/sys/block/${dev_base}/queue/max_sectors_kb"
+
+	do_facet ${facet} "[[ -e ${max_sectors_path} ]] &&
+			   cat ${max_sectors_path}"
+}
+
+get_max_hw_sectors_kb() {
+	local facet="$1"
+	local device="$2"
+	local dev_base=$(basename $(do_facet ${facet} "readlink -f ${device}"))
+	local max_hw_path="/sys/block/${dev_base}/queue/max_hw_sectors_kb"
+
+	do_facet ${facet} "[[ -e ${max_hw_path} ]] && cat ${max_hw_path}"
+}
+
+set_max_sectors_kb() {
+	local facet="$1"
+	local device="$2"
+	local value="$3"
+	local dev_base=$(basename $(do_facet ${facet} "readlink -f ${device}"))
+	local max_sectors_path="/sys/block/${dev_base}/queue/max_sectors_kb"
+
+	do_facet ${facet} "[[ -e ${max_sectors_path} ]] &&
+			   echo ${value} > ${max_sectors_path}"
+	rc=$?
+
+	[[ $rc -ne 0 ]] && echo "Failed to set ${max_sectors_path} to ${value}"
+
+	return $rc
+}
+
+# Return 0 if all slave devices have max_sectors_kb == max_hw_sectors_kb
+# Otherwise return > 0
+check_slaves_max_sectors_kb()
+{
+	local facet="$1"
+	local device="$2"
+	local dev_base=$(basename $(do_facet ${facet} "readlink -f ${device}"))
+	local slaves_dir=/sys/block/${dev_base}/slaves
+	local slave_devices=$(do_facet ${facet} "ls ${slaves_dir} 2>/dev/null")
+	[[ -z ${slave_devices} ]] && return 0
+
+	local slave max_sectors new_max_sectors max_hw_sectors path
+	local rc=0
+	for slave in ${slave_devices}; do
+		path="/dev/${slave}"
+		! is_blkdev ${facet} ${path} && continue
+		max_sectors=$(get_max_sectors_kb ${facet} ${path})
+		max_hw_sectors=$(get_max_hw_sectors_kb ${facet} ${path})
+		new_max_sectors=${max_hw_sectors}
+		[[ ${new_max_sectors} -gt ${RQ_SIZE_LIMIT} ]] &&
+			new_max_sectors=${RQ_SIZE_LIMIT}
+
+		if [[ ${max_sectors} -ne ${new_max_sectors} ]]; then
+			echo "${path} ${max_sectors} ${new_max_sectors}"
+			((rc++))
+		fi
+		check_slaves_max_sectors_kb ${facet} ${path}
+		((rc + $?))
+	done
+
+	return $rc
+}
+
+test_125()
+{
+	local facet_list="mgs mds1 ost1"
+	combined_mgs_mds && facet_list="mgs ost1"
+
+	local facet
+	for facet in ${facet_list}; do
+		[[ $(facet_fstype ${facet}) != ldiskfs ]] &&
+			skip "ldiskfs only test" &&
+			return 0
+		! is_blkdev ${facet} $(facet_device ${facet}) &&
+			skip "requires all real devices" &&
+			return 0
+	done
+
+	local rc=0
+	# We don't increase IO request size limit past 16MB. See comments in
+	# lustre/utils/libmount_utils_ldiskfs.c:tune_max_sectors_kb()
+	RQ_SIZE_LIMIT=$((16 * 1024))
+	local device old_max_sectors new_max_sectors max_hw_sectors
+	for facet in ${facet_list}; do
+		device=$(facet_device ${facet})
+		old_max_sectors=$(get_max_sectors_kb ${facet} ${device})
+		max_hw_sectors=$(get_max_hw_sectors_kb ${facet} ${device})
+
+		# The expected value after l_tunedisk is executed
+		new_max_sectors=$old_max_sectors
+		[[ ${new_max_sectors_kb} -gt ${RQ_SIZE_LIMIT} ]] &&
+			new_max_sectors_kb=${RQ_SIZE_LIMIT}
+
+		# Ensure the current value of max_sectors_kb does not equal
+		# max_hw_sectors_kb, so we can tell whether l_tunedisk did
+		# anything
+		set_max_sectors_kb ${facet} ${device} $((new_max_sectors - 1))
+
+		# Value before l_tunedisk
+		local pre_max_sectors=$(get_max_sectors_kb ${facet} ${device})
+		if [[ ${pre_max_sectors} -ne $((new_max_sectors - 1)) ]]; then
+			echo "unable to satsify test pre-condition:"
+			echo "${pre_max_sectors} != $((new_max_sectors - 1))"
+			((rc++))
+			continue
+		fi
+
+		echo "Before: ${facet} ${device} ${pre_max_sectors} ${max_hw_sectors}"
+
+		do_facet ${facet} "libtool execute l_tunedisk ${device}"
+
+		# Value after l_tunedisk
+		local post_max_sectors=$(get_max_sectors_kb ${facet} ${device})
+
+		echo "After: ${facet} ${device} ${post_max_sectors} ${max_hw_sectors}"
+
+		if [[ ${facet} != ost1 ]]; then
+			if [[ ${post_max_sectors} -ne ${pre_max_sectors} ]]; then
+				echo "l_tunedisk modified max_sectors_kb of ${facet}"
+				((rc++))
+			fi
+
+			set_max_sectors_kb ${facet} ${device} ${old_max_sectors}
+		else
+			if [[ ${post_max_sectors} -eq ${pre_max_sectors} ]]; then
+				echo "l_tunedisk failed to modify max_sectors_kb of ${facet}"
+				((rc++))
+			fi
+
+			check_slaves_max_sectors_kb ${facet} ${device} ||
+				((rc++))
+		fi
+	done
+
+	return $rc
+}
+run_test 125 "check l_tunedisk only tunes OSTs and their slave devices"
+
 if ! combined_mgs_mds ; then
 	stop mgs
 fi