X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Ftests%2Fconf-sanity.sh;h=5dfccb814a4ff4b34c021d7d9ad86b2bfe65b7ab;hb=59cb4a5c39e2c85a89be2863a73899c02c9a89c3;hp=15f59ed7ee35bf67747df06dc4b2b87d6561df79;hpb=20787a89ad7dc99290c4d9cff8247b0a532e92b9;p=fs%2Flustre-release.git

diff --git a/lustre/tests/conf-sanity.sh b/lustre/tests/conf-sanity.sh
index 15f59ed..5dfccb8 100644
--- a/lustre/tests/conf-sanity.sh
+++ b/lustre/tests/conf-sanity.sh
@@ -4,35 +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!
 
-is_sles11()						# LU-2181
-{
-	if [ -r /etc/SuSE-release ]
-	then
-		local vers=$(grep VERSION /etc/SuSE-release | awk '{print $3}')
-		local patchlev=$(grep PATCHLEVEL /etc/SuSE-release |
-			awk '{ print $3 }')
-		if [ $vers -eq 11 ] && [ $patchlev -eq 2 ]
-		then
-			return 0
-		fi
-	fi
-	return 1
-}
-
-if [ "$FAILURE_MODE" = "HARD" ]; then
-	CONFIG_EXCEPTIONS="24a " &&
-	echo "Except the tests: $CONFIG_EXCEPTIONS for " \
-	     "FAILURE_MODE=$FAILURE_MODE, b=23573" &&
-		ALWAYS_EXCEPT="$ALWAYS_EXCEPT $CONFIG_EXCEPTIONS"
-fi
-
 # 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
@@ -46,6 +30,7 @@ export MULTIOP=${MULTIOP:-multiop}
 . $LUSTRE/tests/test-framework.sh
 init_test_env $@
 . ${CONFIG:=$LUSTRE/tests/cfg/$NAME.sh}
+get_lustre_env
 
 # use small MDS + OST size to speed formatting time
 # do not use too small MDSSIZE/OSTSIZE, which affect the default journal size
@@ -53,7 +38,9 @@ init_test_env $@
 STORED_MDSSIZE=$MDSSIZE
 STORED_OSTSIZE=$OSTSIZE
 MDSSIZE=200000
+[ $(facet_fstype $SINGLEMDS) = "zfs" ] && MDSSIZE=400000
 OSTSIZE=200000
+[ $(facet_fstype ost1) = "zfs" ] && OSTSIZE=400000
 
 fs2mds_HOST=$mds_HOST
 fs2ost_HOST=$ost_HOST
@@ -64,12 +51,12 @@ OSTDEV1_2=$fs2ost_DEV
 OSTDEV2_2=$fs3ost_DEV
 
 if ! combined_mgs_mds; then
-	# bug number for skipped test: LU-9860 LU-9860 LU-9860 LU-9860
-	ALWAYS_EXCEPT="$ALWAYS_EXCEPT  33a     43b     53b     54b"
+	# bug number for skipped test: LU-9860 LU-9860 LU-9860
+	ALWAYS_EXCEPT="$ALWAYS_EXCEPT  43b     53b     54b"
 	# bug number for skipped test: LU-9875 LU-9879 LU-9879 LU-9879 LU-9879
 	ALWAYS_EXCEPT="$ALWAYS_EXCEPT  70e     80      84      87      100"
-	# bug number for skipped test: LU-8110 LU-9400 LU-9879 LU-9879 LU-9879
-	ALWAYS_EXCEPT="$ALWAYS_EXCEPT  102     103     104     105     107"
+	# bug number for skipped test: LU-8110 LU-9879 LU-9879 LU-9879
+	ALWAYS_EXCEPT="$ALWAYS_EXCEPT  102     104     105     107"
 fi
 
 # pass "-E lazy_itable_init" to mke2fs to speed up the formatting time
@@ -80,6 +67,12 @@ 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!
+
+[ $MDSCOUNT -ge 2 ] &&
+# bug number for skipped test: LU-11915
+	ALWAYS_EXCEPT+="       110"
+# UPDATE THE COMMENT ABOVE WITH BUG NUMBERS WHEN CHANGING ALWAYS_EXCEPT!
 
 init_logging
 
@@ -87,8 +80,8 @@ 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
 
@@ -125,8 +118,8 @@ reformat() {
 }
 
 start_mgs () {
-	echo "start mgs"
-	start mgs $(mgsdevname) $MGS_MOUNT_OPTS
+	echo "start mgs service on $(facet_active_host mgs)"
+	start mgs $(mgsdevname) $MGS_MOUNT_OPTS $@
 }
 
 start_mdt() {
@@ -288,6 +281,10 @@ 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
@@ -586,22 +583,6 @@ test_9() {
 }
 run_test 9 "test ptldebug and subsystem for mkfs"
 
-is_blkdev () {
-	local facet=$1
-	local dev=$2
-	local size=${3:-""}
-
-	local rc=0
-	do_facet $facet "test -b $dev" || rc=1
-	if [[ "$size" ]]; then
-		local in=$(do_facet $facet "dd if=$dev of=/dev/null bs=1k \
-			   count=1 skip=$size 2>&1" |
-			awk '($3 == "in") { print $1 }')
-		[[ $in  = "1+0" ]] || rc=1
-	fi
-	return $rc
-}
-
 #
 # Test 16 was to "verify that lustre will correct the mode of OBJECTS".
 # But with new MDS stack we don't care about the mode of local objects
@@ -730,7 +711,7 @@ test_20() {
 	[ -e $DIR/$tfile ] && error "$DIR/$tfile exists incorrectly"
 	remount_client rw $MOUNT || error "remount_client with rw failed"
 	touch $DIR/$tfile || error "touch $DIR/$tfile failed"
-	MCNT=$(grep -c $MOUNT /etc/mtab)
+	MCNT=$(grep -c $MOUNT' ' /etc/mtab)
 	[ "$MCNT" -ne 1 ] && error "$MOUNT in /etc/mtab $MCNT times"
 	umount_client $MOUNT
 	stop_mds || error "Unable to stop MDS"
@@ -872,7 +853,7 @@ 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
 
@@ -930,14 +911,10 @@ test_23a() {	# was test_23
 		"MOUNT_LUSTRE_PID $MOUNT_LUSTRE_PID still not killed in $WAIT secs"
 		ps -ef | grep mount
 	fi
-	stop_mds || error "stopping MDSes failed"
-	stop_ost || error "stopping OSSes failed"
+	cleanup || error "cleanup failed with rc $?"
 }
 run_test 23a "interrupt client during recovery mount delay"
 
-umount_client $MOUNT
-cleanup_nocli
-
 test_23b() {    # was test_23
 	start_mds || error "MDS start failed"
 	start_ost || error "Unable to start OST1"
@@ -1069,10 +1046,9 @@ test_27a() {
 	start_mds || error "Unable to start MDS"
 	echo "Requeue thread should have started: "
 	ps -e | grep ll_cfg_requeue
-	set_conf_param_and_check ost1					      \
-	   "$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"
@@ -1084,43 +1060,38 @@ test_27b() {
 			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_28() {
+test_28A() { # was test_28
 	setup
-	TEST="$LCTL get_param -n llite.$FSNAME-*.max_read_ahead_whole_mb"
+	TEST="llite.$FSNAME-*.max_read_ahead_whole_mb"
 	PARAM="$FSNAME.llite.max_read_ahead_whole_mb"
-	ORIG=$($TEST)
+	ORIG=$($LCTL get_param -n $TEST)
 	FINAL=$(($ORIG + 1))
-	set_conf_param_and_check client "$TEST" "$PARAM" $FINAL ||
-		error "first set_conf_param_and_check client failed"
+	set_persistent_param_and_check client "$TEST" "$PARAM" $FINAL
 	FINAL=$(($FINAL + 1))
-	set_conf_param_and_check client "$TEST" "$PARAM" $FINAL ||
-		error "second set_conf_param_and_check client failed"
+	set_persistent_param_and_check client "$TEST" "$PARAM" $FINAL
 	umount_client $MOUNT || error "umount_client $MOUNT failed"
 	mount_client $MOUNT || error "mount_client $MOUNT failed"
-	RESULT=$($TEST)
+	RESULT=$($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 $RESULT"
 	fi
-	set_conf_param_and_check client "$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 28 "permanent parameter setting"
+run_test 28A "permanent parameter setting"
 
 test_28a() { # LU-4221
 	[[ $(lustre_version_code ost1) -ge $(version_code 2.5.52) ]] ||
@@ -1138,61 +1109,37 @@ test_28a() { # LU-4221
 	setup
 
 	# 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
@@ -1201,14 +1148,17 @@ test_29() {
 	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"
+	# 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-*.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
@@ -1224,17 +1174,18 @@ 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"
@@ -1248,35 +1199,39 @@ test_30a() {
 	setup
 
 	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=$ORIG"
 	# assumes this parameter started at the default value
 	[ "$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
@@ -1298,26 +1253,39 @@ 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"
@@ -1555,16 +1523,22 @@ t32_reload_modules() {
 	local node=$1
 	local all_removed=false
 	local i=0
+	local fstype=$(facet_fstype $SINGLEMDS)
+
+	[ $fstype == "zfs" ] && do_rpc_nodes $node "service zed stop"
 
 	while ((i < 20)); do
 		echo "Unloading modules on $node: Attempt $i"
-		do_rpc_nodes $node $LUSTRE_RMMOD $(facet_fstype $SINGLEMDS) &&
+		do_rpc_nodes $node $LUSTRE_RMMOD $fstype &&
 			all_removed=true
 		do_rpc_nodes $node check_mem_leak || return 1
 		if $all_removed; then
 			do_rpc_nodes $node load_modules
 			return 0
 		fi
+		if [ $fstype == "zfs" ]; then
+			do_rpc_nodes $node "$ZPOOL status -v"
+		fi
 		sleep 5
 		i=$((i + 1))
 	done
@@ -1593,7 +1567,7 @@ 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)
@@ -1605,7 +1579,7 @@ 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"
@@ -1651,21 +1625,13 @@ 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 \
@@ -1689,6 +1655,7 @@ t32_test() {
 	local tarball=$1
 	local writeconf=$2
 	local dne_upgrade=${dne_upgrade:-"no"}
+	local dom_upgrade=${dom_upgrade:-"no"}
 	local ff_convert=${ff_convert:-"no"}
 	local shall_cleanup_mdt=false
 	local shall_cleanup_mdt1=false
@@ -1947,34 +1914,64 @@ 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 || {
@@ -2001,19 +1998,34 @@ 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
@@ -2025,10 +2037,11 @@ t32_test() {
 		shall_cleanup_lustre=true
 		$r $LCTL set_param debug="$PTLDEBUG"
 
-		t32_verify_quota $node $fsname $tmp/mnt/lustre || {
-			error_noexit "verify quota failed"
-			return 1
-		}
+		# 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
 			#
@@ -2081,6 +2094,35 @@ t32_test() {
 			echo "list verification skipped"
 		fi
 
+		if [ "$dom_upgrade" != "no" ]; then
+			echo "Check DoM file can be created"
+			$LFS setstripe -E 1M -L mdt -E EOF $tmp/mnt/lustre/dom || {
+				error_noexit "Verify DoM creation"
+				return 1
+			}
+			[ $($LFS getstripe -L $tmp/mnt/lustre/dom) == "mdt" ] || {
+				error_noexit "Verify a DoM file"
+				return 1
+			}
+			dd if=/dev/urandom of=$tmp/mnt/lustre/dom bs=4096 \
+				count=1 conv=fsync || {
+				error_noexit "Cannot write to DoM file"
+				return 1
+			}
+			[ $(stat -c%s $tmp/mnt/lustre/dom) == 4096 ] || {
+				error_noexit "DoM: bad size after write"
+				return 1
+			}
+			rm $tmp/mnt/lustre/dom
+
+			set_persistent_param_and_check mds \
+			   "lod.*MDT0000*.dom_stripesize" \
+			   "$fsname-MDT0000.lod.dom_stripesize" 0 || {
+				error_noexit "Changing \"dom_stripesize\""
+				return 1
+			}
+		fi
+
 		if [ "$dne_upgrade" != "no" ]; then
 			$LFS mkdir -i 1 -c2 $tmp/mnt/lustre/striped_dir || {
 				error_noexit "set striped dir failed"
@@ -2222,7 +2264,7 @@ t32_test() {
 				mdt_index=$($LFS getdirstripe -i $dir)
 				stripe_cnt=$($LFS getdirstripe -c $dir)
 				if [ $mdt_index = 0 -a $stripe_cnt -le 1 ]; then
-					$LFS mv -M 1 $dir || {
+					$LFS migrate -m 1 $dir || {
 					popd
 					error_noexit "migrate MDT1 failed"
 					return 1
@@ -2234,7 +2276,7 @@ t32_test() {
 				mdt_index=$($LFS getdirstripe -i $dir)
 				stripe_cnt=$($LFS getdirstripe -c $dir)
 				if [ $mdt_index = 1 -a $stripe_cnt -le 1 ]; then
-					$LFS mv -M 0 $dir || {
+					$LFS migrate -m 0 $dir || {
 					popd
 					error_noexit "migrate MDT0 failed"
 					return 1
@@ -2257,15 +2299,13 @@ t32_test() {
 			return 1
 		}
 		nrpcs=$((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"
@@ -2278,6 +2318,9 @@ t32_test() {
 				error_noexit "Unmounting the MDT2"
 				return 1
 			}
+			if [[ $fstype == zfs ]]; then
+			    $r "$ZPOOL export t32fs-mdt2"
+			fi
 			shall_cleanup_mdt1=false
 		fi
 
@@ -2285,12 +2328,18 @@ t32_test() {
 			error_noexit "Unmounting the MDT"
 			return 1
 		}
+		if [[ $fstype == zfs ]]; then
+		    $r "$ZPOOL export t32fs-mdt1"
+		fi
 		shall_cleanup_mdt=false
 
 		$r $UMOUNT $tmp/mnt/ost || {
 			error_noexit "Unmounting the OST"
 			return 1
 		}
+		if [[ $fstype == zfs ]]; then
+		    $r "$ZPOOL export t32fs-ost1"
+		fi
 		shall_cleanup_ost=false
 
 		t32_reload_modules $node || {
@@ -2385,6 +2434,24 @@ test_32d() {
 }
 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; }
+
+	local tarballs
+	local tarball
+	local rc=0
+
+	t32_check
+	for tarball in $tarballs; do
+		echo $tarball | grep "2_9" || continue
+		#load_modules
+		dom_upgrade=yes t32_test $tarball writeconf || let "rc += $?"
+	done
+	return $rc
+}
+run_test 32e "dom upgrade test"
+
 test_33a() { # bug 12333, was test_33
 	local FSNAME2=test-123
 	local MDSDEV=$(mdsdevname ${SINGLEMDS//mds/})
@@ -2409,22 +2476,34 @@ test_33a() { # bug 12333, was test_33
 		mkfsoptions="--mkfsoptions=\\\"-J size=8\\\"" # See bug 17931.
 	fi
 
-	add fs2mds $(mkfs_opts mds1 ${fs2mdsdev}) --mgs --fsname=${FSNAME2} \
-		--reformat $mkfsoptions $fs2mdsdev $fs2mdsvdev || exit 10
+	if combined_mgs_mds; then
+		local mgs_flag="--mgs"
+	fi
+
+	add fs2mds $(mkfs_opts mds1 ${fs2mdsdev}) --fsname=${FSNAME2} \
+		--reformat $mgs_flag $mkfsoptions $fs2mdsdev $fs2mdsvdev ||
+		exit 10
 	add fs2ost $(mkfs_opts ost1 ${fs2ostdev}) --mgsnode=$MGSNID \
 		--fsname=${FSNAME2} --index=8191 --reformat $fs2ostdev \
 		$fs2ostvdev || exit 10
 
 	start fs2mds $fs2mdsdev $MDS_MOUNT_OPTS && trap cleanup_fs2 EXIT INT
 	start fs2ost $fs2ostdev $OST_MOUNT_OPTS
-	do_facet $SINGLEMDS "$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 $MOUNT2
 	stop fs2ost -f
@@ -2492,11 +2571,18 @@ test_35a() { # bug 12459
 	FAKENID="127.0.0.2"
 	local device=$(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
 
@@ -2550,10 +2636,18 @@ 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
@@ -3045,16 +3139,24 @@ 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"
@@ -3074,16 +3176,16 @@ test_43a() {
 
 	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						\
@@ -3091,15 +3193,15 @@ 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"
@@ -3114,8 +3216,8 @@ 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 $HOSTNAME						\
@@ -3184,8 +3286,8 @@ test_43a() {
 	local NIDLIST=$($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						\
@@ -3245,12 +3347,10 @@ test_43b() { # LU-5690
 		--reformat $fs2mgsdev $fs2mgsvdev || error "add fs2mgs failed"
 	start $fs2mgs $fs2mgsdev $MGS_MOUNT_OPTS  || error "start fs2mgs failed"
 	stop $fs2mgs -f || error "stop fs2mgs failed"
+	cleanup || error "cleanup failed with $?"
 }
 run_test 43b "parse nosquash_nids with commas in expr_list"
 
-umount_client $MOUNT
-cleanup_nocli
-
 test_44() { # 16317
 	setup
 	check_mount || error "check_mount"
@@ -3324,18 +3424,19 @@ test_46a() {
 	# wait until osts in sync
 	for (( i=2; i<=$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
@@ -3401,12 +3502,13 @@ 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
@@ -3510,26 +3612,27 @@ 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
 }
 
@@ -3551,7 +3654,9 @@ 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"
 
@@ -3690,20 +3795,23 @@ test_50g() {
 	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_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"
@@ -3730,23 +3838,23 @@ 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 $?"
@@ -3768,13 +3876,18 @@ 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) ]
@@ -3788,10 +3901,9 @@ 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
 
@@ -3821,8 +3933,8 @@ 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 &
@@ -3910,7 +4022,7 @@ 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 ||
@@ -3919,6 +4031,10 @@ 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)
@@ -4073,10 +4189,12 @@ 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
@@ -4199,7 +4317,7 @@ 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"
@@ -4346,9 +4464,6 @@ 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"
 
@@ -4440,7 +4555,7 @@ test_61() { # LU-80
 		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
@@ -4502,14 +4617,7 @@ 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
+	stopall || error "stopping systems failed"
 }
 run_test 61 "large xattr"
 
@@ -4628,6 +4736,13 @@ test_66() {
 	local OST1_NID=$(do_facet ost1 $LCTL list_nids | head -1)
 	local MDS_NID=$(do_facet $SINGLEMDS $LCTL list_nids | head -1)
 
+	# add EXCLUDE records to config log, they are not to be
+	# removed by lctl replace_nids
+	set_conf_param_and_check mds					\
+	    "$LCTL get_param -n osc.$FSNAME-OST0000-osc-MDT0000.active"	\
+	    "$FSNAME-OST0000.osc.active"				\
+	    "0"
+
 	echo "replace_nids should fail if MDS, OSTs and clients are UP"
 	do_facet mgs $LCTL replace_nids $FSNAME-OST0000 $OST1_NID &&
 		error "replace_nids fail"
@@ -4660,6 +4775,8 @@ 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 ||
@@ -4673,6 +4790,14 @@ 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"
@@ -4683,7 +4808,14 @@ test_66() {
 		stop_mds || error "Unable to stop MDS"
 	fi
 
-	setup_noconfig
+	start_mgsmds || error "start mgsmds failed"
+	set_conf_param_and_check mds					\
+	    "$LCTL get_param -n osc.$FSNAME-OST0000-osc-MDT0000.active"	\
+	    "$FSNAME-OST0000.osc.active"				\
+	    "1"
+	start_ost || error "unable to start OST"
+	mount_client $MOUNT || error "mount client failed"
+
 	check_mount || error "error after nid replace"
 	cleanup || error "cleanup failed"
 	reformat
@@ -4726,7 +4858,7 @@ test_67() { #LU-2950
 		lctl --net tcp4 add_route 10.3.3.4@tcp 1 3
 	VERIFY_LNET_CONFIG
 
-	lustre_routes_conversion $legacy $new > /dev/null
+	$LUSTRE_ROUTES_CONVERSION $legacy $new > /dev/null
 	if [ -f $new ]; then
 		# verify the conversion output
 		cmp -s $new $verify > /dev/null
@@ -4837,8 +4969,8 @@ test_69() {
 		local ifree=$($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
@@ -4868,7 +5000,7 @@ 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 $3 }')
@@ -5294,7 +5426,7 @@ test_76a() {
 	local MAX_DIRTY_MB=$($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 |
@@ -5342,7 +5474,7 @@ 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) ]] ||
@@ -5375,7 +5507,7 @@ 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
@@ -5403,7 +5535,7 @@ 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 $SINGLEMDS)
@@ -5787,7 +5919,7 @@ test_82a() { # LU-4665
 	done
 	ost_indices=$(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
 
@@ -5798,16 +5930,23 @@ 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 $OSTCOUNT
@@ -5819,7 +5958,7 @@ test_82a() { # LU-4665
 	#    will be attached with specified layout.
 	file=$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=$file count=1 bs=1M > /dev/null 2>&1 ||
@@ -5836,7 +5975,7 @@ test_82a() { # LU-4665
 	#    be in the OST indices list.
 	local start_ost_idx=${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
@@ -5844,23 +5983,27 @@ 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
@@ -5868,6 +6011,9 @@ cleanup_82b() {
 	# Remove OSTs from a pool and destroy the pool.
 	destroy_pool $ost_pool || true
 
+	if ! combined_mgs_mds ; then
+		umount_mgs_client
+	fi
 	restore_ostindex
 }
 
@@ -5907,6 +6053,10 @@ test_82b() { # LU-4665
 	done
 
 	mount_client $MOUNT || error "mount client $MOUNT failed"
+	if ! combined_mgs_mds ; then
+		mount_mgs_client
+	fi
+
 	wait_osts_up
 	$LFS df $MOUNT || error "$LFS df $MOUNT failed"
 	mkdir $DIR/$tdir || error "mkdir $DIR/$tdir failed"
@@ -5943,17 +6093,17 @@ 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
@@ -6144,7 +6294,7 @@ test_86() {
 run_test 86 "Replacing mkfs.lustre -G option"
 
 test_87() { #LU-6544
-	[[ $(lustre_version_code $SINGLEMDS1) -ge $(version_code 2.9.51) ]] ||
+	[[ $(lustre_version_code $SINGLEMDS) -ge $(version_code 2.9.51) ]] ||
 		{ skip "Need MDS version at least 2.9.51" && return; }
 	[[ $(facet_fstype $SINGLEMDS) != ldiskfs ]] &&
 		{ skip "ldiskfs only test" && return; }
@@ -6196,10 +6346,10 @@ test_87() { #LU-6544
 	check_mount || error "check client $MOUNT failed"
 
 	#set xattr
-	$SETSTRIPE -E 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, "
@@ -6840,7 +6990,7 @@ 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
@@ -7157,7 +7307,7 @@ test_99()
 	do_facet ost1 $DEBUGFS -c -R stats `ostdevname 1` | grep "meta_bg" ||
 		error "meta_bg is not set"
 
-	return 0
+	reformat
 }
 run_test 99 "Adding meta_bg option"
 
@@ -7189,12 +7339,13 @@ 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
@@ -7204,17 +7355,21 @@ 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"
 	cleanup || error "cleanup failed with $?"
 
 	local mds1dev=$(mdsdevname 1)
@@ -7231,7 +7386,7 @@ test_102() {
 	fi
 
 	# unload all and only load libcfs to allow fail_loc setting
-	do_facet mds1 lustre_rmmod || error "unable to unload modules"
+	do_facet mds1 $LUSTRE_RMMOD || error "unable to unload modules"
 	do_facet mds1 modprobe libcfs || error "libcfs not loaded"
 	do_facet mds1 lsmod \| grep libcfs || error "libcfs not loaded"
 
@@ -7256,7 +7411,7 @@ test_renamefs() {
 
 	echo "rename $FSNAME to $newname"
 
-	if [ ! combined_mgs_mds ]; then
+	if ! combined_mgs_mds ; then
 		local facet=$(mgsdevname)
 
 		do_facet mgs \
@@ -7328,6 +7483,9 @@ test_103() {
 	cp $LUSTRE/tests/test-framework.sh $DIR/$tdir ||
 		error "(2) Fail to copy test-framework.sh"
 
+	if ! combined_mgs_mds ; then
+		mount_mgs_client
+	fi
 	do_facet mgs $LCTL pool_new $FSNAME.pool1 ||
 		error "(3) Fail to create $FSNAME.pool1"
 	# name the pool name as the fsname
@@ -7336,9 +7494,12 @@ 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
+		umount_mgs_client
+	fi
 	KEEP_ZPOOL=true
 	stopall
 
@@ -7348,14 +7509,20 @@ test_103() {
 	FSNAME="mylustre"
 	setupall
 
+	if ! combined_mgs_mds ; then
+		mount_mgs_client
+	fi
 	test_103_check_pool $save_fsname 7
 
 	if [ $OSTCOUNT -ge 2 ]; then
 		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
+	fi
 
 	stopall
 
@@ -7364,8 +7531,14 @@ test_103() {
 	FSNAME="tfs"
 	setupall
 
+	if ! combined_mgs_mds ; then
+		mount_mgs_client
+	fi
 	test_103_check_pool $save_fsname 17
 
+	if ! combined_mgs_mds ; then
+		umount_mgs_client
+	fi
 	stopall
 
 	test_renamefs $save_fsname
@@ -7487,20 +7660,25 @@ test_106() {
 #shows that osp code is buggy
 	do_facet mds1 $LCTL set_param fail_loc=0 fail_val=0
 
-	cleanupall
+	stopall
 }
 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; }
+	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
 
@@ -7511,6 +7689,939 @@ test_107() {
 }
 run_test 107 "Unknown config param should not fail target mounting"
 
+t_108_prep() {
+	local facet
+
+	$rcmd rm -rf $tmp > /dev/null 2>&1
+	$rcmd mkdir -p $tmp/{mnt,images} || error "failed to mkdir remotely"
+
+	for facet in $facets; do
+		[ $(facet_fstype $SINGLEMDS) = "zfs" ] &&
+			$rcmd $ZPOOL -f export lustre-$facet > /dev/null 2>&1
+		$rcmd mkdir $tmp/mnt/$facet ||
+			error "failed to mkdir $tmp/mnt/$facet"
+		$rcmd dd if=/dev/zero of=$tmp/images/$facet \
+			seek=199 bs=1M count=1 ||
+			error "failed to create $tmp/images/$facet"
+	done
+}
+
+t_108_mkfs() {
+	local role=$1
+	local idx=$2
+	local bkfs=$3
+	local mgs=$4
+	local facet=${role}$((idx + 1))
+	local pool=""
+	[ $# -eq 5 ] && pool=$5
+
+	do_facet $SINGLEMDS $MKFS --fsname=lustre --$mgs \
+		--$role --index=$idx --replace --backfstype=$bkfs \
+		--device-size=200000 --reformat $pool $tmp/images/$facet ||
+		error "failed to mkfs for $facet"
+}
+
+t_108_check() {
+	echo "mounting client..."
+	mount -t lustre ${nid}:/lustre $MOUNT ||
+		error "failed to mount lustre"
+
+	echo "check list"
+	ls -l $MOUNT/local_dir || error "failed to list"
+
+	echo "check truncate && write"
+	echo "dummmmmmmmmmmmm" > $MOUNT/remote_dir/fsx.c ||
+		error "failed to tuncate & write"
+
+	echo "check create"
+	touch $MOUNT/foooo ||
+		error "failed to create"
+
+	echo "check read && write && append"
+	sha1sum $MOUNT/conf-sanity.sh |
+		awk '{ print $1 }' > $MOUNT/checksum.new ||
+		error "failed to read(1)"
+	sha1sum $MOUNT/remote_dir/unlinkmany.c |
+		awk '{ print $1 }' >> $MOUNT/checksum.new ||
+		error "failed to read(2)"
+	sha1sum $MOUNT/striped_dir/lockahead_test.o |
+		awk '{ print $1 }' >> $MOUNT/checksum.new ||
+		error "failed to read(3)"
+
+	echo "verify data"
+	diff $MOUNT/checksum.new $MOUNT/checksum.src ||
+		error "failed to verify data"
+
+	echo "done."
+}
+
+t_108_cleanup() {
+	trap 0
+	local facet
+
+	echo "cleanup..."
+	umount -f $MOUNT || error "failed to umount client"
+	for facet in $facets; do
+		$rcmd umount -f $tmp/mnt/$facet ||
+			error "failed to umount $facet"
+		if [ $(facet_fstype $SINGLEMDS) = "zfs" ]; then
+			$rcmd $ZPOOL export -f lustre-$facet ||
+				error "failed to export lustre-$facet"
+		fi
+	done
+
+	$rcmd rm -rf $tmp || error "failed to rm the dir $tmp"
+}
+
+test_108a() {
+	[ "$CLIENTONLY" ] && skip "Client-only testing" && return
+
+	[ $(facet_fstype $SINGLEMDS) != "zfs" ] &&
+		skip "zfs only test" && return
+
+	[ $(lustre_version_code $SINGLEMDS) -lt $(version_code 2.10.58) ] &&
+		skip "Need server version at least 2.10.58" && return
+
+	stopall
+	load_modules
+
+	local tmp=$TMP/$tdir
+	local rcmd="do_facet $SINGLEMDS"
+	local facets="mdt1 mdt2 ost1 ost2"
+	local nid=$($rcmd $LCTL list_nids | head -1)
+	local facet
+
+	trap t_108_cleanup EXIT ERR
+	t_108_prep
+
+	t_108_mkfs mdt 0 zfs mgs lustre-mdt1/mdt1
+	t_108_mkfs mdt 1 zfs mgsnode=$nid lustre-mdt2/mdt2
+	t_108_mkfs ost 0 zfs mgsnode=$nid lustre-ost1/ost1
+	t_108_mkfs ost 1 zfs mgsnode=$nid lustre-ost2/ost2
+
+	for facet in $facets; do
+		$rcmd zfs set mountpoint=$tmp/mnt/$facet canmount=on \
+			lustre-$facet/$facet ||
+			error "failed to zfs set for $facet (1)"
+		$rcmd zfs mount lustre-$facet/$facet ||
+			error "failed to local mount $facet"
+		$rcmd tar jxf $LUSTRE/tests/ldiskfs_${facet}_2_11.tar.bz2 \
+			--xattrs --xattrs-include="trusted.*" \
+			-C $tmp/mnt/$facet/ > /dev/null 2>&1 ||
+			error "failed to untar image for $facet"
+		$rcmd "cd $tmp/mnt/$facet && rm -rf oi.* OI_* lfsck_* LFSCK" ||
+			error "failed to cleanup for $facet"
+		$rcmd zfs umount lustre-$facet/$facet ||
+			error "failed to local umount $facet"
+		$rcmd zfs set canmount=off lustre-$facet/$facet ||
+			error "failed to zfs set $facet (2)"
+	done
+
+	echo "changing server nid..."
+	$rcmd mount -t lustre -o nosvc lustre-mdt1/mdt1 $tmp/mnt/mdt1
+	$rcmd lctl replace_nids lustre-MDT0000 $nid
+	$rcmd lctl replace_nids lustre-MDT0001 $nid
+	$rcmd lctl replace_nids lustre-OST0000 $nid
+	$rcmd lctl replace_nids lustre-OST0001 $nid
+	$rcmd umount $tmp/mnt/mdt1
+
+	for facet in $facets; do
+		echo "mounting $facet from backup..."
+		$rcmd mount -t lustre -o abort_recov lustre-$facet/$facet \
+			$tmp/mnt/$facet || error "failed to mount $facet"
+	done
+
+	# ZFS backend can detect migration and trigger OI scrub automatically
+	# sleep 3 seconds for scrub done
+	sleep 3
+
+	t_108_check
+	t_108_cleanup
+}
+run_test 108a "migrate from ldiskfs to ZFS"
+
+test_108b() {
+	[ "$CLIENTONLY" ] && skip "Client-only testing" && return
+
+	[ $(facet_fstype $SINGLEMDS) != "ldiskfs" ] &&
+		skip "ldiskfs only test" && return
+
+	[ $(lustre_version_code $SINGLEMDS) -lt $(version_code 2.10.58) ] &&
+		skip "Need server version at least 2.10.58" && return
+
+	stopall
+	load_modules
+
+	local tmp=$TMP/$tdir
+	local rcmd="do_facet $SINGLEMDS"
+	local facets="mdt1 mdt2 ost1 ost2"
+	local scrub_list="MDT0000 MDT0001 OST0000 OST0001"
+	local nid=$($rcmd $LCTL list_nids | head -1)
+	local facet
+
+	trap t_108_cleanup EXIT ERR
+	t_108_prep
+
+	t_108_mkfs mdt 0 ldiskfs mgs
+	t_108_mkfs mdt 1 ldiskfs mgsnode=$nid
+	t_108_mkfs ost 0 ldiskfs mgsnode=$nid
+	t_108_mkfs ost 1 ldiskfs mgsnode=$nid
+
+	for facet in $facets; do
+		$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 ||
+			error "failed to untar image for $facet"
+		$rcmd "cd $tmp/mnt/$facet && rm -rf oi.* OI_* lfsck_* LFSCK" ||
+			error "failed to cleanup for $facet"
+		$rcmd umount $tmp/mnt/$facet ||
+			error "failed to local umount $facet"
+	done
+
+	echo "changing server nid..."
+	$rcmd mount -t lustre -o nosvc,loop $tmp/images/mdt1 $tmp/mnt/mdt1
+	$rcmd lctl replace_nids lustre-MDT0000 $nid
+	$rcmd lctl replace_nids lustre-MDT0001 $nid
+	$rcmd lctl replace_nids lustre-OST0000 $nid
+	$rcmd lctl replace_nids lustre-OST0001 $nid
+	$rcmd umount $tmp/mnt/mdt1
+
+	for facet in $facets; do
+		echo "mounting $facet from backup..."
+		$rcmd mount -t lustre -o loop,abort_recov $tmp/images/$facet \
+			$tmp/mnt/$facet || error "failed to mount $facet"
+	done
+
+	for facet in $scrub_list; do
+		$rcmd $LCTL lfsck_start -M lustre-$facet -t scrub ||
+			error "failed to start OI scrub on $facet"
+	done
+
+	# sleep 3 seconds for scrub done
+	sleep 3
+
+	t_108_check
+	t_108_cleanup
+}
+run_test 108b "migrate from ZFS to ldiskfs"
+
+
+#
+# set number of permanent parameters
+#
+test_109_set_params() {
+	local fsname=$1
+
+	set_persistent_param_and_check mds			    \
+	    "mdd.$fsname-MDT0000.atime_diff"			    \
+	    "$fsname-MDT0000.mdd.atime_diff"			    \
+	    "62"
+	set_persistent_param_and_check mds			    \
+	    "mdd.$fsname-MDT0000.atime_diff"			    \
+	    "$fsname-MDT0000.mdd.atime_diff"			    \
+	    "63"
+	set_persistent_param_and_check client			    \
+	    "llite.$fsname*.max_read_ahead_mb"			    \
+	    "$fsname.llite.max_read_ahead_mb"			    \
+	    "32"
+	set_persistent_param_and_check client			    \
+	    "llite.$fsname*.max_read_ahead_mb"			    \
+	    "$fsname.llite.max_read_ahead_mb"                       \
+	    "64"
+	create_pool $fsname.pool1 || error "create pool failed"
+	do_facet mgs $LCTL pool_add $fsname.pool1 OST0000 ||
+		error "pool_add failed"
+	do_facet mgs $LCTL pool_remove $fsname.pool1 OST0000 ||
+		error "pool_remove failed"
+	do_facet mgs $LCTL pool_add $fsname.pool1 OST0000 ||
+		error "pool_add failed"
+}
+
+#
+# check permanent parameters
+#
+test_109_test_params() {
+	local fsname=$1
+
+	local atime_diff=$(do_facet mds $LCTL \
+		get_param -n mdd.$fsname-MDT0000.atime_diff)
+	[ $atime_diff == 63 ] || error "wrong mdd parameter after clear_conf"
+	local max_read_ahead_mb=$(do_facet client $LCTL \
+		get_param -n llite.$fsname*.max_read_ahead_mb)
+	[ $max_read_ahead_mb == 64 ] ||
+		error "wrong llite parameter after clear_conf"
+	local ost_in_pool=$(do_facet mds $LCTL pool_list $fsname.pool1 |
+		grep -v "^Pool:" | sed 's/_UUID//')
+	[ $ost_in_pool = "$fsname-OST0000" ] ||
+		error "wrong pool after clear_conf"
+}
+
+#
+# run lctl clear_conf, store CONFIGS before and after that
+#
+test_109_clear_conf()
+{
+	local clear_conf_arg=$1
+
+	local mgsdev
+	if ! combined_mgs_mds ; then
+		mgsdev=$MGSDEV
+		stop_mgs || error "stop_mgs failed"
+		start_mgs "-o nosvc" || error "start_mgs nosvc failed"
+	else
+		mgsdev=$(mdsdevname 1)
+		start_mdt 1 "-o nosvc" || error "start_mdt 1 nosvc failed"
+	fi
+
+	do_facet mgs "rm -rf $TMP/${tdir}/conf1; mkdir -p $TMP/${tdir}/conf1;" \
+		"$DEBUGFS -c -R \\\"rdump CONFIGS $TMP/${tdir}/conf1\\\" \
+		$mgsdev"
+
+	#
+	# the command being tested
+	#
+	do_facet mgs $LCTL clear_conf $clear_conf_arg ||
+		error "clear_conf failed"
+	if ! combined_mgs_mds ; then
+		stop_mgs || error "stop_mgs failed"
+	else
+		stop_mdt 1 || error "stop_mdt 1 failed"
+	fi
+
+	do_facet mgs "rm -rf $TMP/${tdir}/conf2; mkdir -p $TMP/${tdir}/conf2;" \
+		"$DEBUGFS -c -R \\\"rdump CONFIGS $TMP/${tdir}/conf2\\\" \
+		$mgsdev"
+}
+
+test_109_file_shortened() {
+	local file=$1
+	local sizes=($(do_facet mgs "stat -c %s " \
+		"$TMP/${tdir}/conf1/CONFIGS/$file" \
+		"$TMP/${tdir}/conf2/CONFIGS/$file"))
+	[ ${sizes[1]} -lt ${sizes[0]} ] && return 0
+	return 1
+}
+
+test_109a()
+{
+	[ "$(facet_fstype mgs)" == "zfs" ] &&
+		skip "LU-8727: no implementation for ZFS" && return
+	stopall
+	reformat
+	setup_noconfig
+	client_up || error "client_up failed"
+
+	#
+	# set number of permanent parameters
+	#
+	test_109_set_params $FSNAME
+
+	umount_client $MOUNT || error "umount_client failed"
+	stop_ost || error "stop_ost failed"
+	stop_mds || error "stop_mds failed"
+
+	test_109_clear_conf $FSNAME
+	#
+	# make sure that all configs are cleared
+	#
+	test_109_file_shortened $FSNAME-MDT0000 ||
+		error "failed to clear MDT0000 config"
+	test_109_file_shortened $FSNAME-client ||
+		error "failed to clear client config"
+
+	setup_noconfig
+
+	#
+	# check that configurations are intact
+	#
+	test_109_test_params $FSNAME
+
+	#
+	# Destroy pool.
+	#
+	destroy_test_pools || error "destroy test pools failed"
+
+	cleanup
+}
+run_test 109a "test lctl clear_conf fsname"
+
+test_109b()
+{
+	[ "$(facet_fstype mgs)" == "zfs" ] &&
+		skip "LU-8727: no implementation for ZFS" && return
+	stopall
+	reformat
+	setup_noconfig
+	client_up || error "client_up failed"
+
+	#
+	# set number of permanent parameters
+	#
+	test_109_set_params $FSNAME
+
+	umount_client $MOUNT || error "umount_client failed"
+	stop_ost || error "stop_ost failed"
+	stop_mds || error "stop_mds failed"
+
+	test_109_clear_conf $FSNAME-MDT0000
+	#
+	# make sure that only one config is cleared
+	#
+	test_109_file_shortened $FSNAME-MDT0000 ||
+		error "failed to clear MDT0000 config"
+	test_109_file_shortened $FSNAME-client &&
+		error "failed to clear client config"
+
+	setup_noconfig
+
+	#
+	# check that configurations are intact
+	#
+	test_109_test_params $FSNAME
+
+	#
+	# Destroy pool.
+	#
+	destroy_test_pools || error "destroy test pools failed"
+
+	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 $DEBUGFS -w -R supported_features | grep large_dir ||
+		skip "large_dir option is not supported on OSS"
+
+	stopall # stop all targets before modifying the target counts
+	stack_trap "MDSCOUNT=$MDSCOUNT OSTCOUNT=$OSTCOUNT" EXIT
+	MDSCOUNT=1
+	OSTCOUNT=1
+
+	# ext4_dir_entry_2 struct size:264
+	# dx_root struct size:8
+	# dx_node struct size:8
+	# dx_entry struct size:8
+	# For 1024 bytes block size.
+	# First level directory entries: 126
+	# Second level directory entries: 127
+	# Entries in leaf: 3
+	# For 2 levels limit: 48006
+	# For 3 levels limit : 6096762
+	# Create 80000 files to safely exceed 2-level htree limit.
+	CONF_SANITY_110_LINKS=${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=$((MDSSIZE * 3 * 3/4 * 3/4))
+
+	local opts="$(mkfs_opts mds1 $(mdsdevname 1)) \
+		    --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"
+	add mds1 $opts || error "add mds1 failed with new params"
+	start mds1 $(mdsdevname 1) $MDS_MOUNT_OPTS
+
+	opts="$(mkfs_opts ost1 $(ostdevname 1)) \
+		--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"
+
+	cleanup
+
+	run_e2fsck $(facet_active_host mds1) $(mdsdevname 1) -n
+}
+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 $DEBUGFS -w -R supported_features | grep large_dir ||
+		skip "large_dir option is not supported on OSS"
+
+	# cleanup before changing target counts
+	cleanup
+	stack_trap "MDSSIZE=$MDSSIZE MDSCOUNT=$MDSCOUNT OSTCOUNT=$OSTCOUNT" EXIT
+	MDSCOUNT=1
+	OSTCOUNT=1
+	(( MDSSIZE < 2400000 )) && MDSSIZE=2400000 # need at least 2.4GB
+
+	local mdsdev=$(mdsdevname 1)
+
+	local opts="$(mkfs_opts mds1 $(mdsdevname 1)) \
+		    --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"
+	__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)) \
+		--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
+
+	cleanup
+
+	(( $needskip )) && skip "ETA ${left}s after $num files / ${taken}s is too long"
+
+	run_e2fsck $(facet_active_host mds1) $(mdsdevname 1) -n
+}
+run_test 111 "Adding large_dir with over 2GB directory"
+
+
+cleanup_115()
+{
+	trap 0
+	stopall
+	rm -f $TMP/$tdir/lustre-mdt
+	formatall
+}
+
+test_115() {
+	IMAGESIZE=$((3072 << 30)) # 3072 GiB
+
+	if [ $(facet_fstype $SINGLEMDS) != ldiskfs ]; then
+		skip "Only applicable to ldiskfs-based MDTs"
+		return
+	fi
+
+	stopall
+	# We need MDT size 3072GB, because it is smallest
+	# partition that can store 2B inodes
+	do_facet $SINGLEMDS "mkdir -p $TMP/$tdir"
+	local mdsimgname=$TMP/$tdir/lustre-mdt
+	do_facet $SINGLEMDS "rm -f $mdsimgname"
+	do_facet $SINGLEMDS "touch $mdsimgname"
+	trap cleanup_115 RETURN EXIT
+	do_facet $SINGLEMDS "$TRUNCATE $mdsimgname $IMAGESIZE" ||
+		{ skip "Backend FS doesn't support sparse files"; return 0; }
+	local mdsdev=$(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,ea_inode,^resize_inode,meta_bg \
+		-i 1024'"
+	add mds1 $mds_opts --mgs --reformat $mdsdev ||
+		{ skip_env "format large MDT failed"; return 0; }
+	add ost1 $(mkfs_opts ost1 $(ostdevname 1)) --index=$i \
+			--reformat $(ostdevname 1) $(ostvdevname 1)
+
+	start $SINGLEMDS ${mdsdev} $MDS_MOUNT_OPTS || error "start MDS failed"
+	start_ost || error "start OSS failed"
+	mount_client $MOUNT || error "mount client failed"
+
+	mkdir -p $DIR/$tdir || error "mkdir $DIR/$tdir fail"
+	for goal in $(do_facet $SINGLEMDS "ls /sys/fs/ldiskfs/*/inode_goal"); do
+		do_facet $SINGLEMDS "echo 2147483947 >> $goal; grep . $goal"
+	done
+
+	touch $DIR/$tdir/$tfile
+
+	# Add > 5k bytes to xattr
+	for i in {1..30}; do
+		ln $DIR/$tdir/$tfile $DIR/$tdir/$(printf "link%0250d" $i) ||
+			error "Can't make link"
+	done
+
+	sync; sleep 5; sync
+
+	local inode_num=$(do_facet $SINGLEMDS \
+			 "$DEBUGFS -c -R 'stat ROOT/$tdir/$tfile' $mdsimgname" |
+			 awk '/link =/ { print $4 }' |
+			 sed -e 's/>//' -e 's/<//' -e 's/\"//')
+	echo "inode num: $inode_num"
+	[ $inode_num -ge 2147483947 ] || error "inode $inode_num too small"
+	do_facet $SINGLEMDS "losetup -d $mdsdev"
+	cleanup_115
+}
+run_test 115 "Access large xattr with inodes number over 2TB"
+
+test_116() {
+	[ $(facet_fstype $SINGLEMDS) != "ldiskfs" ] &&
+		skip "ldiskfs only test" && return
+
+	[ $(lustre_version_code $SINGLEMDS) -lt $(version_code 2.10.59) ] &&
+		skip "Need server version at least 2.10.59" && return
+
+	do_facet $SINGLEMDS which mkfs.xfs || {
+		skip_env "No mkfs.xfs installed"
+		return
+	}
+
+	stopall
+	load_modules
+
+	local tmpmnt=$TMP/$tdir
+	local mdtimg=$tfile-mdt0
+
+	do_facet $SINGLEMDS mkdir -p $tmpmnt
+	stack_trap "do_facet $SINGLEMDS rmdir $tmpmnt" EXIT
+
+	do_facet $SINGLEMDS touch $TMP/$mdtimg
+	stack_trap "do_facet $SINGLEMDS rm -f $TMP/$mdtimg" EXIT
+	do_facet $SINGLEMDS mkfs -t xfs -d file,size=1t,name=$TMP/$mdtimg ||
+		error "mkfs temporary xfs image"
+
+	do_facet $SINGLEMDS mount $TMP/$mdtimg $tmpmnt ||
+		error "mount temporary xfs image"
+	stack_trap "do_facet $SINGLEMDS umount $tmpmnt" EXIT
+	local old_mdssize=$MDSSIZE
+	local old_mdsisize=$MDSISIZE
+
+	MDSSIZE=$((17 * 1024 * 1024 * 1024)) # 17T MDT
+	MDSISIZE=$((16 << 20))
+	local opts17t="$(mkfs_opts $SINGLEMDS)"
+
+	MDSSIZE=$old_mdssize
+	MDSISIZE=$old_mdsisize
+	do_facet $SINGLEMDS $MKFS $opts17t $tmpmnt/$mdtimg ||
+		error "failed to mkfs for $tmpmnt/$mdtimg"
+
+	do_facet $SINGLEMDS $TUNE2FS -l $tmpmnt/$mdtimg |
+		grep -qw 'features.*extent' || error "extent should be enabled"
+}
+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" && return
+	[[ $(lustre_version_code ost1) -ge $(version_code 2.11.53) ]] ||
+		{ skip "Need OST version at least 2.11.53" && return 0; }
+
+
+	reformat
+	LOAD_MODULES_REMOTE=true load_modules
+#define OBD_FAIL_OFD_SET_OID 0x1e0
+	do_facet ost1 $LCTL set_param fail_loc=0x00001e0
+
+	setupall
+	$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"
+
+	reformat
+}
+run_test 122 "Check OST sequence update"
+
+test_123aa() {
+	remote_mgs_nodsh && skip "remote MGS with nodsh"
+	[ -d $MOUNT/.lustre ] || setupall
+
+	# 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 $MOUNT/.lustre ] || setupall
+
+	local yaml
+	local orig_val
+
+	orig_val=$(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 ] || setupall
+
+	# - { 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 $MOUNT/.lustre ] || setupall
+
+	# append a new record, to avoid issues if last record was cancelled
+	local old=$($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_123F() {
+	setupall
+	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"
+}
+run_test 123F "clear and reset all parameters using set_param -F"
+
+test_124()
+{
+	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return
+	[ -z $mds2failover_HOST ] && skip "needs MDT failover setup" && return
+
+	setup
+	cleanup
+
+	load_modules
+	if combined_mgs_mds; then
+		start_mdt 1 "-o nosvc" ||
+			error "starting mds with nosvc option failed"
+	fi
+	local nid=$(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"
+
 if ! combined_mgs_mds ; then
 	stop mgs
 fi
@@ -7523,4 +8634,5 @@ OSTSIZE=$STORED_OSTSIZE
 reformat
 
 complete $SECONDS
+check_and_cleanup_lustre
 exit_status