X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Ftests%2Fconf-sanity.sh;h=a6e690bc1fc69c834b2368f9291152368ed37dbd;hp=303d37cd6be15e264e346f930eb40b10025e828e;hb=938a12769147505c7e42908df89733be19982205;hpb=d9872851247f32423b6ee9abb70d95f7eb037493

diff --git a/lustre/tests/conf-sanity.sh b/lustre/tests/conf-sanity.sh
index 303d37c..a6e690b 100644
--- a/lustre/tests/conf-sanity.sh
+++ b/lustre/tests/conf-sanity.sh
@@ -13,9 +13,15 @@ ONLY=${ONLY:-"$*"}
 
 # bug number for skipped test:
 #               15977
-ALWAYS_EXCEPT=" 39    $CONF_SANITY_EXCEPT"
+ALWAYS_EXCEPT="$CONF_SANITY_EXCEPT"
 # UPDATE THE COMMENT ABOVE WITH BUG NUMBERS WHEN CHANGING ALWAYS_EXCEPT!
 
+if [ "$FAILURE_MODE" = "HARD" ]; then
+	CONFIG_EXCEPTIONS="24a " && \
+	echo "Except the tests: $CONFIG_EXCEPTIONS for FAILURE_MODE=$FAILURE_MODE, bug 23573" && \
+	ALWAYS_EXCEPT="$ALWAYS_EXCEPT $CONFIG_EXCEPTIONS"
+fi
+
 SRCDIR=`dirname $0`
 PATH=$PWD/$SRCDIR:$SRCDIR:$SRCDIR/../utils:$PATH
 
@@ -26,20 +32,26 @@ RLUSTRE=${RLUSTRE:-$LUSTRE}
 
 . $LUSTRE/tests/test-framework.sh
 init_test_env $@
+
+# use small MDS + OST size to speed formatting time
+# do not use too small MDSSIZE/OSTSIZE, which affect the default jouranl size
+MDSSIZE=200000
+OSTSIZE=200000
+. ${CONFIG:=$LUSTRE/tests/cfg/$NAME.sh}
+
 # STORED_MDSSIZE is used in test_18
 if [ -n "$MDSSIZE" ]; then
     STORED_MDSSIZE=$MDSSIZE
 fi
-# use small MDS + OST size to speed formatting time
-MDSSIZE=40000
-OSTSIZE=40000
-. ${CONFIG:=$LUSTRE/tests/cfg/$NAME.sh}
 
-remote_mds_nodsh && skip "remote MDS with nodsh" && exit 0
-remote_ost_nodsh && skip "remote OST with nodsh" && exit 0
+init_logging
 
 #
-[ "$SLOW" = "no" ] && EXCEPT_SLOW="0 1 2 3 6 7 15 18 24b 25 30 31 32 33 34a 45"
+require_dsh_mds || exit 0
+require_dsh_ost || exit 0
+#
+[ "$SLOW" = "no" ] && EXCEPT_SLOW="30a 31 45"
+
 
 assert_DIR
 
@@ -47,16 +59,25 @@ reformat() {
         formatall
 }
 
-writeconf() {
-	local facet=$SINGLEMDS
-	local dev=${facet}_dev
-	shift
+writeconf1() {
+	local facet=$1
+	local dev=$2
+
 	stop ${facet} -f
 	rm -f ${facet}active
 	# who knows if/where $TUNEFS is installed?  Better reformat if it fails...
-	do_facet ${facet} "$TUNEFS --writeconf ${!dev}" || echo "tunefs failed, reformatting instead" && reformat
+	do_facet ${facet} "$TUNEFS --quiet --writeconf $dev" ||
+		{ echo "tunefs failed, reformatting instead" && reformat_and_config && return 1; }
+	return 0
+}
 
-	gen_config
+writeconf() {
+	# we need ldiskfs
+	load_modules
+	# if writeconf fails anywhere, we reformat everything
+	writeconf1 mds `mdsdevname 1` || return 0
+	writeconf1 ost1 `ostdevname 1` || return 0
+	writeconf1 ost2 `ostdevname 2` || return 0
 }
 
 gen_config() {
@@ -71,16 +92,31 @@ gen_config() {
 
 reformat_and_config() {
 	reformat
+	if ! combined_mgs_mds ; then
+		start_mgs
+	fi
 	gen_config
 }
 
+start_mgs () {
+	echo "start mgs"
+	start mgs $MGSDEV $MGS_MOUNT_OPTS
+}
+
 start_mds() {
 	local facet=$SINGLEMDS
 	# we can not use MDSDEV1 here because SINGLEMDS could be set not to mds1 only
 	local num=$(echo $facet | tr -d "mds")
 	local dev=$(mdsdevname $num)
 	echo "start mds service on `facet_active_host $facet`"
-	start $facet ${dev} $MDS_MOUNT_OPTS || return 94
+	start $facet ${dev} $MDS_MOUNT_OPTS $@ || return 94
+}
+
+start_mgsmds() {
+	if ! combined_mgs_mds ; then
+		start_mgs
+	fi
+	start_mds $@
 }
 
 stop_mds() {
@@ -91,7 +127,7 @@ stop_mds() {
 
 start_ost() {
 	echo "start ost1 service on `facet_active_host ost1`"
-	start ost1 `ostdevname 1` $OST_MOUNT_OPTS || return 95
+	start ost1 `ostdevname 1` $OST_MOUNT_OPTS $@ || return 95
 }
 
 stop_ost() {
@@ -102,7 +138,7 @@ stop_ost() {
 
 start_ost2() {
 	echo "start ost2 service on `facet_active_host ost2`"
-	start ost2 `ostdevname 2` $OST_MOUNT_OPTS || return 92
+	start ost2 `ostdevname 2` $OST_MOUNT_OPTS $@ || return 92
 }
 
 stop_ost2() {
@@ -142,20 +178,24 @@ manual_umount_client(){
 }
 
 setup() {
-	start_ost
-	start_mds
-	mount_client $MOUNT
+	start_mds || error "MDT start failed"
+	start_ost || error "OST start failed"
+	mount_client $MOUNT || error "client start failed"
 }
 
 setup_noconfig() {
+	if ! combined_mgs_mds ; then
+		start_mgs
+	fi
+
 	start_mds
 	start_ost
 	mount_client $MOUNT
 }
 
 cleanup_nocli() {
-	stop_mds || return 201
 	stop_ost || return 202
+	stop_mds || return 201
 	unload_modules || return 203
 }
 
@@ -207,19 +247,21 @@ test_0() {
 run_test 0 "single mount setup"
 
 test_1() {
+	start_mds || error "MDT start failed"
 	start_ost
 	echo "start ost second time..."
-	setup
+	start_ost && error "2nd OST start should fail"
+	mount_client $MOUNT || error "client start failed"
 	check_mount || return 42
 	cleanup || return $?
 }
 run_test 1 "start up ost twice (should return errors)"
 
 test_2() {
-	start_ost
 	start_mds
 	echo "start mds second time.."
-	start_mds
+	start_mds && error "2nd MDT start should fail"
+	start_ost
 	mount_client $MOUNT
 	check_mount || return 43
 	cleanup || return $?
@@ -229,7 +271,7 @@ run_test 2 "start up mds twice (should return err)"
 test_3() {
 	setup
 	#mount.lustre returns an error if already in mtab
-	mount_client $MOUNT && return $?
+	mount_client $MOUNT && error "2nd client mount should fail"
 	check_mount || return 44
 	cleanup || return $?
 }
@@ -312,8 +354,8 @@ test_5b() {
 run_test 5b "mds down, cleanup after failed mount (bug 2712) (should return errs)"
 
 test_5c() {
-	start_ost
 	start_mds
+	start_ost
 	[ -d $MOUNT ] || mkdir -p $MOUNT
 	grep " $MOUNT " /etc/mtab && echo "test 5c: mtab before mount" && return 10
 	local oldfs="${FSNAME}"
@@ -339,8 +381,8 @@ test_5d() {
 run_test 5d "mount with ost down"
 
 test_5e() {
-	start_ost
 	start_mds
+	start_ost
 
 #define OBD_FAIL_PTLRPC_DELAY_SEND       0x506
 	do_facet client "lctl set_param fail_loc=0x80000506"
@@ -401,48 +443,16 @@ test_9() {
         fi
         stop_ost || return $?
 }
-
 run_test 9 "test ptldebug and subsystem for mkfs"
 
-# LOGS/PENDING do not exist anymore since CMD3
-test_16() {
-        local TMPMTPT="${TMP}/conf16"
-        local dev=${SINGLEMDS}_dev
-        local MDSDEV=${!dev}
-        if [ ! -e "$MDSDEV" ]; then
-            log "no $MDSDEV existing, so mount Lustre to create one"
-	    setup
-            check_mount || return 41
-            cleanup || return $?
-        fi
-
-        [ -f "$MDSDEV" ] && LOOPOPT="-o loop"
-
-        log "change the mode of $MDSDEV/OBJECTS to 555"
-        do_facet $SINGLEMDS "mkdir -p $TMPMTPT &&
-                      mount $LOOPOPT -t $FSTYPE $MDSDEV $TMPMTPT &&
-                      chmod 555 $TMPMTPT/OBJECTS &&
-                      umount $TMPMTPT" || return $?
-
-        log "mount Lustre to change the mode of OBJECTS, then umount Lustre"
-	setup
-        check_mount || return 41
-        cleanup || return $?
-
-        log "read the mode of OBJECTS and check if they has been changed properly"
-        EXPECTEDOBJECTSMODE=`do_facet $SINGLEMDS "$DEBUGFS -R 'stat OBJECTS' $MDSDEV 2> /dev/null" | grep 'Mode: ' | sed -e "s/.*Mode: *//" -e "s/ *Flags:.*//"`
-
-        if [ "$EXPECTEDOBJECTSMODE" = "0777" ]; then
-                log "Success:Lustre change the mode of OBJECTS correctly"
-        else
-                error "Lustre does not change mode of OBJECTS properly"
-        fi
-}
-run_test 16 "verify that lustre will correct the mode of OBJECTS"
+#
+# 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
+# anymore, so this test is removed. See bug 22944 for more details.
+#
 
 test_17() {
-        local dev=${SINGLEMDS}_dev
-        local MDSDEV=${!dev}
+        local MDSDEV=$(mdsdevname ${SINGLEMDS//mds/})
 
         if [ ! -e "$MDSDEV" ]; then
             echo "no $MDSDEV existing, so mount Lustre to create one"
@@ -463,8 +473,7 @@ run_test 17 "Verify failed mds_postsetup won't fail assertion (2936) (should ret
 test_18() {
         [ "$FSTYPE" != "ldiskfs" ] && skip "not needed for FSTYPE=$FSTYPE" && return
 
-        local dev=${SINGLEMDS}_dev
-        local MDSDEV=${!dev}
+        local MDSDEV=$(mdsdevname ${SINGLEMDS//mds/})
 
         local MIN=2000000
 
@@ -533,8 +542,8 @@ run_test 19b "start/stop OSTs without MDS"
 
 test_20() {
 	# first format the ost/mdt
-	start_ost
 	start_mds
+	start_ost
 	mount_client $MOUNT
 	check_mount || return 43
 	rm -f $DIR/$tfile
@@ -617,8 +626,8 @@ test_22() {
 run_test 22 "start a client before osts (should return errs)"
 
 test_23a() {	# was test_23
-        setup
-        # fail mds
+	setup
+	# fail mds
 	stop $SINGLEMDS
 	# force down client so that recovering mds waits for reconnect
 	local running=$(grep -c $MOUNT /proc/mounts) || true
@@ -645,7 +654,7 @@ test_23a() {	# was test_23
 	local PID1
 	local PID2
 	local WAIT=0
-	local MAX_WAIT=20
+	local MAX_WAIT=30
 	local sleep=1
 	while [ "$WAIT" -lt "$MAX_WAIT" ]; do
 		sleep $sleep
@@ -657,9 +666,11 @@ test_23a() {	# was test_23
 		echo "waiting for mount to finish ... "
 		WAIT=$(( WAIT + sleep))
 	done
-	[ "$WAIT" -eq "$MAX_WAIT" ] && error "MOUNT_PID $MOUNT_PID and "\
+	if [ "$WAIT" -eq "$MAX_WAIT" ]; then
+		error "MOUNT_PID $MOUNT_PID and "\
 		"MOUNT_LUSTRE_PID $MOUNT_LUSTRE_PID still not killed in $WAIT secs"
-	ps -ef | grep mount
+		ps -ef | grep mount
+	fi
 	stop_mds || error
 	stop_ost || error
 }
@@ -669,8 +680,8 @@ umount_client $MOUNT
 cleanup_nocli
 
 test_23b() {    # was test_23
-	start_ost
 	start_mds
+	start_ost
 	# Simulate -EINTR during mount OBD_FAIL_LDLM_CLOSE_THREAD
 	lctl set_param fail_loc=0x80000313
 	mount_client $MOUNT
@@ -694,7 +705,10 @@ cleanup_24a() {
 test_24a() {
 	#set up fs1
 	gen_config
+
 	#set up fs2
+	local MDSDEV=$(mdsdevname ${SINGLEMDS//mds/})
+
 	[ -n "$ost1_HOST" ] && fs2ost_HOST=$ost1_HOST
 	if [ -z "$fs2ost_DEV" -o -z "$fs2mds_DEV" ]; then
 		do_facet $SINGLEMDS [ -b "$MDSDEV" ] && \
@@ -742,6 +756,8 @@ test_24a() {
 run_test 24a "Multiple MDTs on a single node"
 
 test_24b() {
+	local MDSDEV=$(mdsdevname ${SINGLEMDS//mds/})
+
 	if [ -z "$fs2mds_DEV" ]; then
 		do_facet $SINGLEMDS [ -b "$MDSDEV" ] && \
 		skip_env "mixed loopback and real device not working" && return
@@ -865,7 +881,9 @@ test_29() {
 	fi
 
 	# check MDT too
-	local MPROC="osc.$FSNAME-OST0001-osc-[M]*.active"
+	local mdtosc=$(get_mdtosc_proc_path $SINGLEMDS $FSNAME-OST0001)
+	mdtosc=${mdtosc/-MDT*/-MDT\*}
+	local MPROC="osc.$mdtosc.active"
 	local MAX=30
 	local WAIT=0
 	while [ 1 ]; do
@@ -906,9 +924,10 @@ test_29() {
 }
 run_test 29 "permanently remove an OST"
 
-test_30() {
+test_30a() {
 	setup
 
+	echo Big config llog
 	TEST="lctl get_param -n llite.$FSNAME-*.max_read_ahead_whole_mb"
 	ORIG=$($TEST)
 	LIST=(1 2 3 4 5 4 3 2 1 2 3 4 5 4 3 2 1 2 3 4 5)
@@ -918,11 +937,54 @@ test_30() {
 	# make sure client restart still works
  	umount_client $MOUNT
 	mount_client $MOUNT || return 4
-	[ "$($TEST)" -ne "$i" ] && return 5
-	set_and_check client "$TEST" "$FSNAME.llite.max_read_ahead_whole_mb" $ORIG || return 6
+	[ "$($TEST)" -ne "$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" || return 6
+	umount_client $MOUNT
+	mount_client $MOUNT || return 6
+	FINAL=$($TEST)
+	echo "deleted (default) value=$FINAL, orig=$ORIG"
+	# assumes this parameter started at the default value
+	[ "$FINAL" -eq "$ORIG" ] || fail "Deleted value=$FINAL, orig=$ORIG"
+
+	cleanup
+}
+run_test 30a "Big config llog and conf_param deletion"
+
+test_30b() {
+	setup
+
+	# Make a fake nid.  Use the OST nid, and add 20 to the least significant
+	# numerical part of it. Hopefully that's not already a failover address for
+	# the server.
+	OSTNID=$(do_facet ost1 "$LCTL get_param nis" | tail -1 | awk '{print $1}')
+	ORIGVAL=$(echo $OSTNID | egrep -oi "[0-9]*@")
+	NEWVAL=$((($(echo $ORIGVAL | egrep -oi "[0-9]*") + 20) % 256))
+	NEW=$(echo $OSTNID | sed "s/$ORIGVAL/$NEWVAL@/")
+	echo "Using fake nid $NEW"
+
+	TEST="$LCTL get_param -n osc.$FSNAME-OST0000-osc-[^M]*.import | grep failover_nids | sed -n 's/.*\($NEW\).*/\1/p'"
+	set_and_check client "$TEST" "$FSNAME-OST0000.failover.node" $NEW || error "didn't add failover nid $NEW"
+	NIDS=$($LCTL get_param -n osc.$FSNAME-OST0000-osc-[^M]*.import | grep failover_nids)
+	echo $NIDS
+	NIDCOUNT=$(($(echo "$NIDS" | wc -w) - 1))
+	echo "should have 2 failover nids: $NIDCOUNT"
+	[ $NIDCOUNT -eq 2 ] || error "Failover nid not added"
+	do_facet mgs "$LCTL conf_param -d $FSNAME-OST0000.failover.node" || error "conf_param delete failed"
+	umount_client $MOUNT
+	mount_client $MOUNT || return 3
+
+	NIDS=$($LCTL get_param -n osc.$FSNAME-OST0000-osc-[^M]*.import | grep failover_nids)
+	echo $NIDS
+	NIDCOUNT=$(($(echo "$NIDS" | wc -w) - 1))
+	echo "only 1 final nid should remain: $NIDCOUNT"
+	[ $NIDCOUNT -eq 1 ] || error "Failover nids not removed"
+
 	cleanup
 }
-run_test 30 "Big config llog"
+run_test 30b "Remove failover nids"
 
 test_31() { # bug 10734
         # ipaddr must not exist
@@ -1110,6 +1172,8 @@ run_test 32b "Upgrade from 1.8 with writeconf"
 test_33a() { # bug 12333, was test_33
         local rc=0
         local FSNAME2=test-123
+        local MDSDEV=$(mdsdevname ${SINGLEMDS//mds/})
+
         [ -n "$ost1_HOST" ] && fs2ost_HOST=$ost1_HOST
 
         if [ -z "$fs2ost_DEV" -o -z "$fs2mds_DEV" ]; then
@@ -1245,6 +1309,8 @@ test_35a() { # bug 12459
 		       }" $TMP/lustre-log-$TESTNAME.log`
 	[ "$NEXTCONN" != "0" ] && log "The client didn't try to reconnect to the last active server (tried ${NEXTCONN} instead)" && return 7
 	cleanup
+	# remove nid settings
+	writeconf
 }
 run_test 35a "Reconnect to the last active server first"
 
@@ -1312,6 +1378,8 @@ test_35b() { # bug 18674
 		return 5
 
         cleanup
+	# remove nid settings
+	writeconf
 }
 run_test 35b "Continue reconnection retries, if the active server is busy"
 
@@ -1319,6 +1387,7 @@ test_36() { # 12743
         local rc
         local FSNAME2=test1234
         local fs3ost_HOST=$ost_HOST
+        local MDSDEV=$(mdsdevname ${SINGLEMDS//mds/})
 
         [ -n "$ost1_HOST" ] && fs2ost_HOST=$ost1_HOST && fs3ost_HOST=$ost1_HOST
         rc=0
@@ -1431,8 +1500,7 @@ test_38() { # bug 14222
 	log "rename lov_objid file on MDS"
 	rm -f $TMP/lov_objid.orig
 
-	local dev=${SINGLEMDS}_dev
-	local MDSDEV=${!dev}
+	local MDSDEV=$(mdsdevname ${SINGLEMDS//mds/})
 	do_facet $SINGLEMDS "$DEBUGFS -c -R \\\"dump lov_objid $TMP/lov_objid.orig\\\" $MDSDEV"
 	do_facet $SINGLEMDS "$DEBUGFS -w -R \\\"rm lov_objid\\\" $MDSDEV"
 
@@ -1493,8 +1561,7 @@ run_test 40 "race during service thread startup"
 
 test_41() { #bug 14134
         local rc
-        local dev=${SINGLEMDS}_dev
-        local MDSDEV=${!dev}
+        local MDSDEV=$(mdsdevname ${SINGLEMDS//mds/})
 
         start $SINGLEMDS $MDSDEV $MDS_MOUNT_OPTS -o nosvc -n
         start ost1 `ostdevname 1` $OST_MOUNT_OPTS
@@ -1518,7 +1585,7 @@ run_test 41 "mount mds with --nosvc and --nomgs"
 test_42() { #bug 14693
         setup
         check_mount || return 2
-        do_facet client lctl conf_param lustre.llite.some_wrong_param=10
+        do_facet mgs $LCTL conf_param lustre.llite.some_wrong_param=10
         umount_client $MOUNT
         mount_client $MOUNT || return 1
         cleanup
@@ -1679,16 +1746,15 @@ cleanup_46a() {
 		let count=count-1
 	done	
 	stop_mds || rc=$? 
-	# writeconf is needed after the test, otherwise,
-	# we might end up with extra OSTs
-	writeconf || rc=$?
 	cleanup_nocli || rc=$?
+	#writeconf to remove all ost2 traces for subsequent tests
+	writeconf
 	return $rc
 }
 
 test_46a() {
 	echo "Testing with $OSTCOUNT OSTs"
-	reformat
+	reformat_and_config
 	start_mds || return 1
 	#first client should see only one ost
 	start_ost || return 2
@@ -1811,9 +1877,7 @@ test_49() { # bug 17710
 	OST_MKFS_OPTS="--ost --fsname=$FSNAME --device-size=$OSTSIZE --mgsnode=$MGSNID --param sys.timeout=$LOCAL_TIMEOUT --param sys.ldlm_timeout=$LOCAL_TIMEOUT $MKFSOPT $OSTOPT"
 
 	reformat
-	start_mds
-	start_ost
-	mount_client $MOUNT
+	setup_noconfig
 	check_mount || return 1
 
 	echo "check ldlm_timout..."
@@ -1836,9 +1900,7 @@ test_49() { # bug 17710
 	OST_MKFS_OPTS="--ost --fsname=$FSNAME --device-size=$OSTSIZE --mgsnode=$MGSNID --param sys.timeout=$LOCAL_TIMEOUT --param sys.ldlm_timeout=$((LOCAL_TIMEOUT - 1)) $MKFSOPT $OSTOPT"
 
 	reformat
-	start_mds || return 4
-	start_ost || return 5
-	mount_client $MOUNT || return 6
+	setup_noconfig
 	check_mount || return 7
 
 	LDLM_MDS="`do_facet mds lctl get_param -n ldlm_timeout`"
@@ -2027,6 +2089,7 @@ test_50f() {
 	umount_client $MOUNT || error "Unable to unmount client"
 	stop_ost || error "Unable to stop OST1"
 	stop_mds || error "Unable to stop MDS"
+	#writeconf to remove all ost2 traces for subsequent tests
 	writeconf
 }
 run_test 50f "normal statfs one server in down =========================="
@@ -2035,6 +2098,8 @@ test_50g() {
 	[ "$OSTCOUNT" -lt "2" ] && skip_env "$OSTCOUNT < 2, skipping" && return
 	setup
 	start_ost2 || error "Unable to start OST2"
+        wait_osc_import_state mds ost2 FULL
+        wait_osc_import_state client ost2 FULL
 
 	local PARAM="${FSNAME}-OST0001.osc.active"
 
@@ -2052,6 +2117,7 @@ test_50g() {
 	stop_ost2 || error "Unable to stop OST2"
 	stop_ost || error "Unable to stop OST1"
 	stop_mds || error "Unable to stop MDS"
+	#writeconf to remove all ost2 traces for subsequent tests
 	writeconf
 }
 run_test 50g "deactivated OST should not cause panic====================="
@@ -2060,9 +2126,7 @@ test_51() {
 	local LOCAL_TIMEOUT=20
 
 	reformat
-	start_mds
-	start_ost
-	mount_client $MOUNT
+	setup_noconfig
 	check_mount || return 1
 
 	mkdir $MOUNT/d1
@@ -2144,7 +2208,9 @@ test_52() {
 	[ $? -eq 0 ] || { error "Unable to create tdir"; return 4; }
 	touch $TMP/modified_first
 	[ $? -eq 0 ] || { error "Unable to create temporary file"; return 5; }
-	do_node $ost1node "mkdir -p $ost1tmp && touch $ost1tmp/modified_first"
+	local mtime=$(stat -c %Y $TMP/modified_first)
+	do_node $ost1node "mkdir -p $ost1tmp && touch -m -d @$mtime $ost1tmp/modified_first"
+
 	[ $? -eq 0 ] || { error "Unable to create temporary file"; return 6; }
 	sleep 1
 
@@ -2212,6 +2278,232 @@ test_52() {
 }
 run_test 52 "check recovering objects from lost+found"
 
+# Checks threads_min/max/started for some service
+#
+# Arguments: service name (OST or MDT), facet (e.g., ost1, $SINGLEMDS), and a
+# parameter pattern prefix like 'ost.*.ost'.
+thread_sanity() {
+        local modname=$1
+        local facet=$2
+        local parampat=$3
+        local opts=$4
+        local tmin
+        local tmin2
+        local tmax
+        local tmax2
+        local tstarted
+        local paramp
+        local msg="Insane $modname thread counts"
+        shift 4
+
+        setup
+        check_mount || return 41
+
+        # We need to expand $parampat, but it may match multiple parameters, so
+        # we'll pick the first one
+        if ! paramp=$(do_facet $facet "lctl get_param -N ${parampat}.threads_min"|head -1); then
+                error "Couldn't expand ${parampat}.threads_min parameter name"
+                return 22
+        fi
+
+        # Remove the .threads_min part
+        paramp=${paramp%.threads_min}
+
+        # Check for sanity in defaults
+        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 ${paramp}.threads_started" || echo 0)
+        lassert 23 "$msg (PDSH problems?)" '(($tstarted && $tmin && $tmax))' || return $?
+        lassert 24 "$msg" '(($tstarted >= $tmin && $tstarted <= tmax ))' || return $?
+
+        # Check that we can lower min/max
+        do_facet $facet "lctl set_param ${paramp}.threads_min=$((tmin - 1))"
+        do_facet $facet "lctl set_param ${paramp}.threads_max=$((tmax - 10))"
+        tmin2=$(do_facet $facet "lctl get_param -n ${paramp}.threads_min" || echo 0)
+        tmax2=$(do_facet $facet "lctl get_param -n ${paramp}.threads_max" || echo 0)
+        lassert 25 "$msg" '(($tmin2 == ($tmin - 1) && $tmax2 == ($tmax -10)))' || return $?
+
+        # Check that we can set min/max to the same value
+        do_facet $facet "lctl set_param ${paramp}.threads_min=$tmin"
+        do_facet $facet "lctl set_param ${paramp}.threads_max=$tmin"
+        tmin2=$(do_facet $facet "lctl get_param -n ${paramp}.threads_min" || echo 0)
+        tmax2=$(do_facet $facet "lctl get_param -n ${paramp}.threads_max" || echo 0)
+        lassert 26 "$msg" '(($tmin2 == $tmin && $tmax2 == $tmin))' || return $?
+
+        # Check that we can't set max < min
+        do_facet $facet "lctl set_param ${paramp}.threads_max=$((tmin - 1))"
+        tmin2=$(do_facet $facet "lctl get_param -n ${paramp}.threads_min" || echo 0)
+        tmax2=$(do_facet $facet "lctl get_param -n ${paramp}.threads_max" || echo 0)
+        lassert 27 "$msg" '(($tmin <= $tmax2))' || return $?
+
+        # We need to ensure that we get the module options desired; to do this
+        # we set LOAD_MODULES_REMOTE=true and we call setmodopts below.
+        LOAD_MODULES_REMOTE=true
+        cleanup
+        local oldvalue
+        setmodopts -a $modname "$opts" oldvalue
+
+        load_modules
+        setup
+        check_mount || return 41
+
+        # Restore previous setting of MODOPTS_*
+        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 ${paramp}.threads_max")
+        tstarted=$(do_facet $facet "lctl get_param -n ${paramp}.threads_started")
+        lassert 28 "$msg" '(($tstarted == $tmin && $tstarted == $tmax ))' || return $?
+        cleanup
+
+        # Workaround a YALA bug where YALA expects that modules will remain
+        # loaded on the servers
+        LOAD_MODULES_REMOTE=false
+        load_modules
+        setup
+        cleanup
+}
+
+test_53a() {
+        thread_sanity OST ost1 'ost.*.ost' 'oss_num_threads=64'
+}
+run_test 53a "check OSS thread count params"
+
+test_53b() {
+        thread_sanity MDT $SINGLEMDS 'mdt.*.*.' 'mdt_num_threads=64'
+}
+run_test 53b "check MDT thread count params"
+
+run_llverfs()
+{
+        local dir=$1
+        local partial_arg=""
+        local size=$(df -B G $dir | tail -1 | awk '{print $2}' | sed 's/G//') # Gb
+
+        # Run in partial (fast) mode if the size
+        # of a partition > 10 GB
+        [ $size -gt 10 ] && partial_arg="-p"
+
+        llverfs $partial_arg $dir
+}
+
+test_54a() {
+    do_rpc_nodes $(facet_host ost1) run_llverdev $(ostdevname 1)
+    [ $? -eq 0 ] || error "llverdev failed!"
+    reformat_and_config
+}
+run_test 54a "llverdev"
+
+test_54b() {
+    setup
+    run_llverfs $MOUNT
+    [ $? -eq 0 ] || error "llverfs failed!"
+    cleanup
+}
+run_test 54b "llverfs"
+
+lov_objid_size()
+{
+	local max_ost_index=$1
+	echo -n $(((max_ost_index + 1) * 8))
+}
+
+test_55() {
+	local mdsdev=$(mdsdevname 1)
+	local ostdev=$(ostdevname 1)
+	local saved_opts=$OST_MKFS_OPTS
+
+	for i in 0 1023 2048
+	do
+		OST_MKFS_OPTS="$saved_opts --index $i"
+		reformat
+
+		setup_noconfig
+		stopall
+
+		setup
+		sync
+		echo checking size of lov_objid for ost index $i
+		LOV_OBJID_SIZE=$(do_facet mds1 "$DEBUGFS -R 'stat lov_objid' $mdsdev 2>/dev/null" | grep ^User | awk '{print $6}')
+		if [ "$LOV_OBJID_SIZE" != $(lov_objid_size $i) ]; then
+			error "lov_objid size has to be $(lov_objid_size $i), not $LOV_OBJID_SIZE"
+		else
+			echo ok, lov_objid size is correct: $LOV_OBJID_SIZE
+		fi
+		stopall
+	done
+
+	OST_MKFS_OPTS=$saved_opts
+	reformat
+}
+run_test 55 "check lov_objid size"
+
+test_56() {
+	add mds1 $MDS_MKFS_OPTS --mkfsoptions='\"-J size=16\"' --reformat $(mdsdevname 1)
+	add ost1 $OST_MKFS_OPTS --index=1000 --reformat $(ostdevname 1)
+	add ost2 $OST_MKFS_OPTS --index=10000 --reformat $(ostdevname 2)
+
+	start_mds
+	start_ost
+	start_ost2 || error "Unable to start second ost"
+	mount_client $MOUNT || error "Unable to mount client"
+	echo ok
+	$LFS osts
+	stopall
+	reformat
+}
+run_test 56 "check big indexes"
+
+test_57() { # bug 22656
+	local NID=$(do_facet ost1 "$LCTL get_param nis" | tail -1 | awk '{print $1}')
+	writeconf
+	do_facet ost1 "$TUNEFS --failnode=$NID `ostdevname 1`" || error "tunefs failed"
+	start_mgsmds
+	start_ost && error "OST registration from failnode should fail"
+	stop_mds
+	reformat
+}
+run_test 57 "initial registration from failnode should fail (should return errs)"
+
+count_osts() {
+        do_facet mgs $LCTL get_param mgs.MGS.live.$FSNAME | grep OST | wc -l
+}
+
+test_59() {
+	start_mgsmds >> /dev/null
+	local C1=$(count_osts)
+	if [ $C1 -eq 0 ]; then
+		start_ost >> /dev/null
+		C1=$(count_osts)
+	fi
+	stopall
+	echo "original ost count: $C1 (expect > 0)"
+	[ $C1 -gt 0 ] || error "No OSTs in $FSNAME log"
+	start_mgsmds -o writeconf >> /dev/null || error "MDT start failed"
+	local C2=$(count_osts)
+	echo "after mdt writeconf count: $C2 (expect 0)"
+	[ $C2 -gt 0 ] && error "MDT writeconf should erase OST logs"
+	echo "OST start without writeconf should fail:"
+	start_ost >> /dev/null && error "OST start without writeconf didn't fail"
+	echo "OST start with writeconf should succeed:"
+	start_ost -o writeconf >> /dev/null || error "OST1 start failed"
+	local C3=$(count_osts)
+	echo "after ost writeconf count: $C3 (expect 1)"
+	[ $C3 -eq 1 ] || error "new OST writeconf should add:"
+	start_ost2 -o writeconf >> /dev/null || error "OST2 start failed"
+	local C4=$(count_osts)
+	echo "after ost2 writeconf count: $C4 (expect 2)"
+	[ $C4 -eq 2 ] || error "OST2 writeconf should add log"
+	stop_ost2 >> /dev/null
+	cleanup_nocli >> /dev/null
+}
+run_test 59 "writeconf mount option"
+
+
+if ! combined_mgs_mds ; then
+	stop mgs
+fi
 cleanup_gss
 equals_msg `basename $0`: test complete
 [ -f "$TESTSUITELOG" ] && cat $TESTSUITELOG && grep -q FAIL $TESTSUITELOG && exit 1 || true