X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Ftests%2Fconf-sanity.sh;h=b55c9d3583c382082a17e01881c764e17cfa7813;hp=5587acfb7a7aeea8612a926e628f29b1f7f8b048;hb=468de179b3a2c33df62454216de13bdb6f14614e;hpb=5e546603cbff0939c9f6335d9daddc641530dd7e

diff --git a/lustre/tests/conf-sanity.sh b/lustre/tests/conf-sanity.sh
index 5587acf..b55c9d3 100644
--- a/lustre/tests/conf-sanity.sh
+++ b/lustre/tests/conf-sanity.sh
@@ -1,6 +1,4 @@
 #!/bin/bash
-# -*- mode: Bash; tab-width: 4; indent-tabs-mode: t; -*-
-# vim:autoindent:shiftwidth=4:tabstop=4:
 
 # FIXME - there is no reason to use all of these different
 #   return codes, espcially when most of them are mapped to something
@@ -12,10 +10,38 @@ set -e
 ONLY=${ONLY:-"$*"}
 
 # bug number for skipped test:
-#               15977
 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 ] && [ $patchlev -eq 2 ]
+		then
+			return 0
+		fi
+	fi
+	return 1
+}
+
+if is_sles11; then					# LU-2181
+	ALWAYS_EXCEPT="$ALWAYS_EXCEPT 23a 34b"
+fi
+
+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
+
+# bug number for skipped test:
+# a tool to create lustre filesystem images
+ALWAYS_EXCEPT="32newtarball $ALWAYS_EXCEPT"
+
 SRCDIR=`dirname $0`
 PATH=$PWD/$SRCDIR:$SRCDIR:$SRCDIR/../utils:$PATH
 
@@ -23,6 +49,7 @@ PTLDEBUG=${PTLDEBUG:--1}
 SAVE_PWD=$PWD
 LUSTRE=${LUSTRE:-`dirname $0`/..}
 RLUSTRE=${RLUSTRE:-$LUSTRE}
+export MULTIOP=${MULTIOP:-multiop}
 
 . $LUSTRE/tests/test-framework.sh
 init_test_env $@
@@ -33,17 +60,29 @@ MDSSIZE=200000
 OSTSIZE=200000
 . ${CONFIG:=$LUSTRE/tests/cfg/$NAME.sh}
 
+if ! combined_mgs_mds; then
+    # bug number for skipped test:    23954
+    ALWAYS_EXCEPT="$ALWAYS_EXCEPT       24b"
+fi
+
 # STORED_MDSSIZE is used in test_18
 if [ -n "$MDSSIZE" ]; then
     STORED_MDSSIZE=$MDSSIZE
 fi
 
+# pass "-E lazy_itable_init" to mke2fs to speed up the formatting time
+if [[ "$LDISKFS_MKFS_OPTS" != *lazy_itable_init* ]]; then
+	LDISKFS_MKFS_OPTS=$(csa_add "$LDISKFS_MKFS_OPTS" -E lazy_itable_init)
+fi
+
 init_logging
 
+#
 require_dsh_mds || exit 0
 require_dsh_ost || exit 0
+#
+[ "$SLOW" = "no" ] && EXCEPT_SLOW="30a 31 45"
 
-[ "$SLOW" = "no" ] && EXCEPT_SLOW="0 1 2 3 6 7 15 18 24b 25 30 31 32 33 34a 45"
 
 assert_DIR
 
@@ -51,16 +90,25 @@ 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_and_config
+	do_facet ${facet} "$TUNEFS --quiet --writeconf $dev" ||
+		{ echo "tunefs failed, reformatting instead" && reformat_and_config && return 1; }
+	return 0
+}
 
+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() {
@@ -83,7 +131,7 @@ reformat_and_config() {
 
 start_mgs () {
 	echo "start mgs"
-	start mgs $MGSDEV $mgs_MOUNT_OPTS
+	start mgs $MGSDEV $MGS_MOUNT_OPTS
 }
 
 start_mds() {
@@ -92,7 +140,14 @@ start_mds() {
 	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() {
@@ -101,9 +156,15 @@ stop_mds() {
 	stop $SINGLEMDS -f  || return 97
 }
 
+stop_mgs() {
+       echo "stop mgs service on `facet_active_host mgs`"
+       # These tests all use non-failover stop
+       stop mgs -f  || return 97
+}
+
 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() {
@@ -114,7 +175,7 @@ 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() {
@@ -130,12 +191,10 @@ mount_client() {
 }
 
 remount_client() {
-	local SAVEMOUNTOPT=$MOUNTOPT
-	MOUNTOPT="remount,$1"
+	local mountopt="-o remount,$1"
 	local MOUNTPATH=$2
 	echo "remount '$1' lustre on ${MOUNTPATH}....."
-	zconf_mount `hostname`  $MOUNTPATH  || return 96
-	MOUNTOPT=$SAVEMOUNTOPT
+	zconf_mount `hostname`  $MOUNTPATH "$mountopt"  || return 96
 }
 
 umount_client() {
@@ -154,9 +213,10 @@ manual_umount_client(){
 }
 
 setup() {
-	start_ost || error "OST start failed"
 	start_mds || error "MDT start failed"
+	start_ost || error "OST start failed"
 	mount_client $MOUNT || error "client start failed"
+	client_up || error "client_up failed"
 }
 
 setup_noconfig() {
@@ -169,14 +229,20 @@ setup_noconfig() {
 	mount_client $MOUNT
 }
 
+unload_modules_conf () {
+	if combined_mgs_mds || ! local_mode; then
+		unload_modules || return 1
+	fi
+}
+
 cleanup_nocli() {
-	stop_mds || return 201
 	stop_ost || return 202
-	unload_modules || return 203
+	stop_mds || return 201
+	unload_modules_conf || return 203
 }
 
 cleanup() {
- 	umount_client $MOUNT || return 200
+	umount_client $MOUNT || return 200
 	cleanup_nocli || return $?
 }
 
@@ -223,10 +289,10 @@ test_0() {
 run_test 0 "single mount setup"
 
 test_1() {
+	start_mds || error "MDT start failed"
 	start_ost
 	echo "start ost second time..."
 	start_ost && error "2nd OST start should fail"
-	start_mds || error "MDT start failed"
 	mount_client $MOUNT || error "client start failed"
 	check_mount || return 42
 	cleanup || return $?
@@ -234,10 +300,10 @@ test_1() {
 run_test 1 "start up ost twice (should return errors)"
 
 test_2() {
-	start_ost
 	start_mds
 	echo "start mds second time.."
 	start_mds && error "2nd MDT start should fail"
+	start_ost
 	mount_client $MOUNT
 	check_mount || return 43
 	cleanup || return $?
@@ -277,7 +343,7 @@ test_5a() {	# was test_5
 	# cleanup may return an error from the failed
 	# disconnects; for now I'll consider this successful
 	# if all the modules have unloaded.
- 	umount -d $MOUNT &
+	umount -d $MOUNT &
 	UMOUNT_PID=$!
 	sleep 6
 	echo "killing umount"
@@ -308,7 +374,7 @@ test_5a() {	# was test_5
 	while [ "$WAIT" -ne "$MAX_WAIT" ]; do
 		sleep $sleep
 		grep -q $MOUNT" " /etc/mtab || break
-        	echo "Waiting /etc/mtab updated ... "
+		echo "Waiting /etc/mtab updated ... "
 		WAIT=$(( WAIT + sleep))
 	done
 	[ "$WAIT" -eq "$MAX_WAIT" ] && error "/etc/mtab is not updated in $WAIT secs"
@@ -316,60 +382,135 @@ test_5a() {	# was test_5
 }
 run_test 5a "force cleanup mds, then cleanup"
 
+cleanup_5b () {
+	trap 0
+	start_mgs
+}
+
 test_5b() {
+	grep " $MOUNT " /etc/mtab && \
+		error false "unexpected entry in mtab before mount" && return 10
+
+	local rc=0
 	start_ost
+	if ! combined_mgs_mds ; then
+		trap cleanup_5b EXIT ERR
+		start_mds
+		stop mgs
+	fi
+
 	[ -d $MOUNT ] || mkdir -p $MOUNT
-	grep " $MOUNT " /etc/mtab && echo "test 5b: mtab before mount" && return 10
-	mount_client $MOUNT && return 1
-	grep " $MOUNT " /etc/mtab && echo "test 5b: mtab after failed mount" && return 11
+	mount_client $MOUNT && rc=1
+	grep " $MOUNT " /etc/mtab && \
+		error "$MOUNT entry in mtab after failed mount" && rc=11
 	umount_client $MOUNT
 	# stop_mds is a no-op here, and should not fail
-	cleanup_nocli || return $?
-	return 0
+	cleanup_nocli || rc=$?
+	if ! combined_mgs_mds ; then
+		cleanup_5b
+	fi
+	return $rc
 }
-run_test 5b "mds down, cleanup after failed mount (bug 2712) (should return errs)"
+run_test 5b "Try to start a client with no MGS (should return errs)"
 
 test_5c() {
-	start_ost
+	grep " $MOUNT " /etc/mtab && \
+		error false "unexpected entry in mtab before mount" && return 10
+
+	local rc=0
 	start_mds
+	start_ost
 	[ -d $MOUNT ] || mkdir -p $MOUNT
-	grep " $MOUNT " /etc/mtab && echo "test 5c: mtab before mount" && return 10
 	local oldfs="${FSNAME}"
 	FSNAME="wrong.${FSNAME}"
 	mount_client $MOUNT || :
 	FSNAME=${oldfs}
-	grep " $MOUNT " /etc/mtab && echo "test 5c: mtab after failed mount" && return 11
+	grep " $MOUNT " /etc/mtab && \
+		error "$MOUNT entry in mtab after failed mount" && rc=11
 	umount_client $MOUNT
-	cleanup_nocli  || return $?
+	cleanup_nocli  || rc=$?
+	return $rc
 }
 run_test 5c "cleanup after failed mount (bug 2712) (should return errs)"
 
 test_5d() {
+	grep " $MOUNT " /etc/mtab && \
+		error false "unexpected entry in mtab before mount" && return 10
+
+	[ "$(facet_fstype ost1)" = "zfs" ] &&
+		skip "LU-2059: no local config for ZFS OSTs" && return
+
+	local rc=0
 	start_ost
 	start_mds
 	stop_ost -f
-	grep " $MOUNT " /etc/mtab && echo "test 5d: mtab before mount" && return 10
-	mount_client $MOUNT || return 1
-	cleanup  || return $?
-	grep " $MOUNT " /etc/mtab && echo "test 5d: mtab after unmount" && return 11
-	return 0
+	mount_client $MOUNT || rc=1
+	cleanup  || rc=$?
+	grep " $MOUNT " /etc/mtab && \
+		error "$MOUNT entry in mtab after unmount" && rc=11
+	return $rc
 }
 run_test 5d "mount with ost down"
 
 test_5e() {
-	start_ost
+	grep " $MOUNT " /etc/mtab && \
+		error false "unexpected entry in mtab before mount" && return 10
+
+	local rc=0
 	start_mds
+	start_ost
 
 #define OBD_FAIL_PTLRPC_DELAY_SEND       0x506
 	do_facet client "lctl set_param fail_loc=0x80000506"
-	grep " $MOUNT " /etc/mtab && echo "test 5e: mtab before mount" && return 10
 	mount_client $MOUNT || echo "mount failed (not fatal)"
-	cleanup  || return $?
-	grep " $MOUNT " /etc/mtab && echo "test 5e: mtab after unmount" && return 11
-	return 0
+	cleanup  || rc=$?
+	grep " $MOUNT " /etc/mtab && \
+		error "$MOUNT entry in mtab after unmount" && rc=11
+	return $rc
 }
 run_test 5e "delayed connect, don't crash (bug 10268)"
 
+test_5f() {
+	if combined_mgs_mds ; then
+		skip "combined mgs and mds"
+		return 0
+	fi
+
+	grep " $MOUNT " /etc/mtab && \
+		error false "unexpected entry in mtab before mount" && return 10
+
+	local rc=0
+	start_ost
+	[ -d $MOUNT ] || mkdir -p $MOUNT
+	mount_client $MOUNT &
+	local pid=$!
+	echo client_mount pid is $pid
+
+	sleep 5
+
+	if ! ps -f -p $pid >/dev/null; then
+		wait $pid
+		rc=$?
+		grep " $MOUNT " /etc/mtab && echo "test 5f: mtab after mount"
+		error "mount returns $rc, expected to hang"
+		rc=11
+		cleanup || rc=$?
+		return $rc
+	fi
+
+	# start mds
+	start_mds
+
+	# mount should succeed after start mds
+	wait $pid
+	rc=$?
+	[ $rc -eq 0 ] || error "mount returned $rc"
+	grep " $MOUNT " /etc/mtab && echo "test 5f: mtab after mount"
+	cleanup || return $?
+	return $rc
+}
+run_test 5f "mds down, cleanup after failed mount (bug 2712)"
+
 test_6() {
 	setup
 	manual_umount_client
@@ -419,70 +560,63 @@ 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 $?
+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
+}
 
-        [ -f "$MDSDEV" ] && LOOPOPT="-o loop"
+#
+# 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.
+#
 
-        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 $?
+test_17() {
+	if [ $(facet_fstype $SINGLEMDS) != ldiskfs ]; then
+		skip "Only applicable to ldiskfs-based MDTs"
+		return
+	fi
 
-        log "mount Lustre to change the mode of OBJECTS, then umount Lustre"
-	setup
+        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"
+        echo "Remove mds config log"
+        if ! combined_mgs_mds ; then
+                stop mgs
         fi
-}
-run_test 16 "verify that lustre will correct the mode of OBJECTS"
 
-test_17() {
-        local dev=${SINGLEMDS}_dev
-        local MDSDEV=${!dev}
-
-        if [ ! -e "$MDSDEV" ]; then
-            echo "no $MDSDEV existing, so mount Lustre to create one"
-	    setup
-            check_mount || return 41
-            cleanup || return $?
-        fi
+        do_facet mgs "$DEBUGFS -w -R 'unlink CONFIGS/$FSNAME-MDT0000' $MGSDEV || return \$?" || return $?
 
-        echo "Remove mds config log"
-        do_facet $SINGLEMDS "$DEBUGFS -w -R 'unlink CONFIGS/$FSNAME-MDT0000' $MDSDEV || return \$?" || return $?
+        if ! combined_mgs_mds ; then
+                start_mgs
+        fi
 
         start_ost
-	start_mds && return 42
-	reformat_and_config
+        start_mds && return 42
+        reformat_and_config
 }
 run_test 17 "Verify failed mds_postsetup won't fail assertion (2936) (should return errs)"
 
 test_18() {
-        [ "$FSTYPE" != "ldiskfs" ] && skip "not needed for FSTYPE=$FSTYPE" && return
+	if [ $(facet_fstype $SINGLEMDS) != ldiskfs ]; then
+		skip "Only applicable to ldiskfs-based MDTs"
+		return
+	fi
 
-        local dev=${SINGLEMDS}_dev
-        local MDSDEV=${!dev}
+        local MDSDEV=$(mdsdevname ${SINGLEMDS//mds/})
 
         local MIN=2000000
 
@@ -497,33 +631,34 @@ test_18() {
                 log "use STORED_MDSSIZE=$STORED_MDSSIZE"
 
         # check if the block device is large enough
-        [ -z "$OK" -a -b $MDSDEV ] && \
-                [ "$(dd if=$MDSDEV of=/dev/null bs=1k count=1 skip=$MIN 2>&1 |
-                     awk '($3 == "in") { print $1 }')" = "1+0" ] && OK=1 && \
+        [ -z "$OK" ] && $(is_blkdev $SINGLEMDS $MDSDEV $MIN) && OK=1 &&
                 myMDSSIZE=$MIN && log "use device $MDSDEV with MIN=$MIN"
 
         # check if a loopback device has enough space for fs metadata (5%)
-        [ -z "$OK" ] && [ -f $MDSDEV -o ! -e $MDSDEV ] &&
-                SPACE=$(df -P $(dirname $MDSDEV) |
-                        awk '($1 != "Filesystem") {print $4}') &&
-                [ $SPACE -gt $((MIN / 20)) ] && OK=1 && myMDSSIZE=$MIN && \
+
+        if [ -z "$OK" ]; then
+                local SPACE=$(do_facet $SINGLEMDS "[ -f $MDSDEV -o ! -e $MDSDEV ] && df -P \\\$(dirname $MDSDEV)" |
+                        awk '($1 != "Filesystem") {print $4}')
+                ! [ -z "$SPACE" ]  &&  [ $SPACE -gt $((MIN / 20)) ] && \
+                        OK=1 && myMDSSIZE=$MIN && \
                         log "use file $MDSDEV with MIN=$MIN"
+        fi
 
         [ -z "$OK" ] && skip_env "$MDSDEV too small for ${MIN}kB MDS" && return
 
 
         echo "mount mds with large journal..."
-        local OLD_MDS_MKFS_OPTS=$MDS_MKFS_OPTS
 
-        MDS_MKFS_OPTS="--mgs --mdt --fsname=$FSNAME --device-size=$myMDSSIZE --param sys.timeout=$TIMEOUT $MDSOPT"
+	local OLD_MDSSIZE=$MDSSIZE
+	MDSSIZE=$myMDSSIZE
 
         reformat_and_config
         echo "mount lustre system..."
-	setup
+        setup
         check_mount || return 41
 
         echo "check journal size..."
-        local FOUNDSIZE=`do_facet mds "$DEBUGFS -c -R 'stat <8>' $MDSDEV" | awk '/Size: / { print $NF; exit;}'`
+        local FOUNDSIZE=$(do_facet $SINGLEMDS "$DEBUGFS -c -R 'stat <8>' $MDSDEV" | awk '/Size: / { print $NF; exit;}')
         if [ $FOUNDSIZE -gt $((32 * 1024 * 1024)) ]; then
                 log "Success: mkfs creates large journals. Size: $((FOUNDSIZE >> 20))M"
         else
@@ -532,8 +667,8 @@ test_18() {
 
         cleanup || return $?
 
-        MDS_MKFS_OPTS=$OLD_MDS_MKFS_OPTS
-        reformat_and_config
+	MDSSIZE=$OLD_MDSSIZE
+	reformat_and_config
 }
 run_test 18 "check mkfs creates large journals"
 
@@ -544,6 +679,9 @@ test_19a() {
 run_test 19a "start/stop MDS without OSTs"
 
 test_19b() {
+	[ "$(facet_fstype ost1)" = "zfs" ] &&
+		skip "LU-2059: no local config for ZFS OSTs" && return
+
 	start_ost || return 1
 	stop_ost -f || return 2
 }
@@ -551,8 +689,8 @@ 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
@@ -580,6 +718,9 @@ test_21a() {
 run_test 21a "start mds before ost, stop ost first"
 
 test_21b() {
+	[ "$(facet_fstype ost1)" = "zfs" ] &&
+		skip "LU-2059: no local config for ZFS OSTs" && return
+
         start_ost
 	start_mds
         wait_osc_import_state mds ost FULL
@@ -601,6 +742,30 @@ test_21c() {
 }
 run_test 21c "start mds between two osts, stop mds last"
 
+test_21d() {
+        if combined_mgs_mds ; then
+                skip "need separate mgs device" && return 0
+        fi
+        stopall
+
+        reformat
+
+        start_mgs
+        start_ost
+        start_ost2
+        start_mds
+        wait_osc_import_state mds ost2 FULL
+
+        stop_ost
+        stop_ost2
+        stop_mds
+        stop_mgs
+        #writeconf to remove all ost2 traces for subsequent tests
+        writeconf
+        start_mgs
+}
+run_test 21d "start mgs then ost and then mds"
+
 test_22() {
 	start_mds
 
@@ -627,6 +792,8 @@ test_22() {
 		sleep $((TIMEOUT + TIMEOUT + TIMEOUT))
 	fi
 	mount_client $MOUNT
+        wait_osc_import_state mds ost FULL
+        wait_osc_import_state client ost FULL
 	check_mount || return 41
 	pass
 
@@ -635,15 +802,15 @@ 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
-    	if [ $running -ne 0 ]; then
-        	echo "Stopping client $MOUNT (opts: -f)"
-        	umount -f $MOUNT
-    	fi
+	if [ $running -ne 0 ]; then
+		echo "Stopping client $MOUNT (opts: -f)"
+		umount -f $MOUNT
+	fi
 
 	# enter recovery on mds
 	start_mds
@@ -655,10 +822,12 @@ test_23a() {	# was test_23
 	echo mount pid is ${MOUNT_PID}, mount.lustre pid is ${MOUNT_LUSTRE_PID}
 	ps --ppid $MOUNT_PID
 	ps --ppid $MOUNT_LUSTRE_PID
-	# FIXME why o why can't I kill these? Manual "ctrl-c" works...
-	kill -TERM $MOUNT_LUSTRE_PID
 	echo "waiting for mount to finish"
 	ps -ef | grep mount
+	# "ctrl-c" sends SIGINT but it usually (in script) does not work on child process
+	# SIGTERM works but it does not spread to offspring processses
+	kill -s TERM $MOUNT_PID
+	kill -s TERM $MOUNT_LUSTRE_PID
 	# we can not wait $MOUNT_PID because it is not a child of this shell
 	local PID1
 	local PID2
@@ -689,8 +858,8 @@ 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 $MOUNT
@@ -701,6 +870,10 @@ run_test 23b "Simulate -EINTR during mount"
 fs2mds_HOST=$mds_HOST
 fs2ost_HOST=$ost_HOST
 
+MDSDEV1_2=$fs2mds_DEV
+OSTDEV1_2=$fs2ost_DEV
+OSTDEV2_2=$fs3ost_DEV
+
 cleanup_24a() {
 	trap 0
 	echo "umount $MOUNT2 ..."
@@ -712,23 +885,27 @@ cleanup_24a() {
 }
 
 test_24a() {
-	#set up fs1
-	gen_config
-	#set up fs2
-	[ -n "$ost1_HOST" ] && fs2ost_HOST=$ost1_HOST
+	local MDSDEV=$(mdsdevname ${SINGLEMDS//mds/})
+
 	if [ -z "$fs2ost_DEV" -o -z "$fs2mds_DEV" ]; then
-		do_facet $SINGLEMDS [ -b "$MDSDEV" ] && \
+		is_blkdev $SINGLEMDS $MDSDEV && \
 		skip_env "mixed loopback and real device not working" && return
 	fi
 
-	local fs2mdsdev=${fs2mds_DEV:-${MDSDEV}_2}
-	local fs2ostdev=${fs2ost_DEV:-$(ostdevname 1)_2}
+	[ -n "$ost1_HOST" ] && fs2ost_HOST=$ost1_HOST
+
+	local fs2mdsdev=$(mdsdevname 1_2)
+	local fs2ostdev=$(ostdevname 1_2)
+	local fs2mdsvdev=$(mdsvdevname 1_2)
+	local fs2ostvdev=$(ostvdevname 1_2)
 
 	# test 8-char fsname as well
 	local FSNAME2=test1234
-	add fs2mds $MDS_MKFS_OPTS --fsname=${FSNAME2} --nomgs --mgsnode=$MGSNID --reformat $fs2mdsdev || exit 10
+	add fs2mds $(mkfs_opts mds1) --nomgs --mgsnode=$MGSNID \
+		--fsname=${FSNAME2} --reformat $fs2mdsdev $fs2mdsvdev || exit 10
 
-	add fs2ost $OST_MKFS_OPTS --fsname=${FSNAME2} --reformat $fs2ostdev || exit 10
+	add fs2ost $(mkfs_opts ost1) --fsname=${FSNAME2} --reformat \
+		$fs2ostdev $fs2ostvdev || exit 10
 
 	setup
 	start fs2mds $fs2mdsdev $MDS_MOUNT_OPTS && trap cleanup_24a EXIT INT
@@ -751,7 +928,7 @@ test_24a() {
 	facet_failover fs2mds
 	facet_failover fs2ost
 	df
- 	umount_client $MOUNT
+	umount_client $MOUNT
 	# the MDS must remain up until last MDT
 	stop_mds
 	MDS=$(do_facet $SINGLEMDS "lctl get_param -n devices" | awk '($3 ~ "mdt" && $4 ~ "MDT") { print $4 }' | head -1)
@@ -762,14 +939,20 @@ 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" ] && \
+		local dev=${SINGLEMDS}_dev
+		local MDSDEV=${!dev}
+		is_blkdev $SINGLEMDS $MDSDEV && \
 		skip_env "mixed loopback and real device not working" && return
 	fi
 
-	local fs2mdsdev=${fs2mds_DEV:-${MDSDEV}_2}
+	local fs2mdsdev=$(mdsdevname 1_2)
+	local fs2mdsvdev=$(mdsvdevname 1_2)
 
-	add fs2mds $MDS_MKFS_OPTS --fsname=${FSNAME}2 --mgs --reformat $fs2mdsdev || exit 10
+	add fs2mds $(mkfs_opts mds1) --mgs --fsname=${FSNAME}2 --reformat \
+		$fs2mdsdev $fs2mdsvdev || exit 10
 	setup
 	start fs2mds $fs2mdsdev $MDS_MOUNT_OPTS && return 2
 	cleanup || return 6
@@ -793,35 +976,26 @@ test_26() {
     do_facet $SINGLEMDS "lctl set_param fail_loc=0x80000135"
     start_mds && echo MDS started && return 1
     lctl get_param -n devices
-    DEVS=$(lctl get_param -n devices | wc -l)
+    DEVS=$(lctl get_param -n devices | egrep -v MG | wc -l)
     [ $DEVS -gt 0 ] && return 2
-    unload_modules || return 203
+    # start mds to drop writeconf setting
+    start_mds || return 3
+    stop_mds || return 4
+    unload_modules_conf || return $?
 }
 run_test 26 "MDT startup failure cleans LOV (should return errs)"
 
-set_and_check() {
-	local myfacet=$1
-	local TEST=$2
-	local PARAM=$3
-	local ORIG=$(do_facet $myfacet "$TEST")
-	if [ $# -gt 3 ]; then
-	    local FINAL=$4
-	else
-	    local -i FINAL
-	    FINAL=$(($ORIG + 5))
-	fi
-	echo "Setting $PARAM from $ORIG to $FINAL"
-	do_facet $SINGLEMDS "$LCTL conf_param $PARAM='$FINAL'" || error conf_param failed
-
-	wait_update $(facet_host $myfacet) "$TEST" "$FINAL" || error check failed!
-}
-
 test_27a() {
+	[ "$(facet_fstype ost1)" = "zfs" ] &&
+		skip "LU-2059: no local config for ZFS OSTs" && return
+
 	start_ost || return 1
 	start_mds || return 2
 	echo "Requeue thread should have started: "
 	ps -e | grep ll_cfg_requeue
-	set_and_check ost1 "lctl get_param -n obdfilter.$FSNAME-OST0000.client_cache_seconds" "$FSNAME-OST0000.ost.client_cache_seconds" || return 3
+	set_conf_param_and_check ost1					      \
+	   "lctl get_param -n obdfilter.$FSNAME-OST0000.client_cache_seconds" \
+	   "$FSNAME-OST0000.ost.client_cache_seconds" || return 3
 	cleanup_nocli
 }
 run_test 27a "Reacquire MGS lock if OST started first"
@@ -832,8 +1006,12 @@ test_27b() {
         local device=$(do_facet $SINGLEMDS "lctl get_param -n devices" | awk '($3 ~ "mdt" && $4 ~ "MDT") { print $4 }')
 
 	facet_failover $SINGLEMDS
-	set_and_check $SINGLEMDS "lctl get_param -n mdt.$device.identity_acquire_expire" "$device.mdt.identity_acquire_expire" || return 3
-	set_and_check client "lctl get_param -n mdc.$device-mdc-*.max_rpcs_in_flight" "$device.mdc.max_rpcs_in_flight" || return 4
+	set_conf_param_and_check $SINGLEMDS				\
+		"lctl get_param -n mdt.$device.identity_acquire_expire"	\
+		"$device.mdt.identity_acquire_expire" || return 3
+	set_conf_param_and_check client					\
+		"lctl get_param -n mdc.$device-mdc-*.max_rpcs_in_flight"\
+		"$device.mdc.max_rpcs_in_flight" || return 4
 	check_mount
 	cleanup
 }
@@ -845,10 +1023,10 @@ test_28() {
 	PARAM="$FSNAME.llite.max_read_ahead_whole_mb"
 	ORIG=$($TEST)
 	FINAL=$(($ORIG + 1))
-	set_and_check client "$TEST" "$PARAM" $FINAL || return 3
+	set_conf_param_and_check client "$TEST" "$PARAM" $FINAL || return 3
 	FINAL=$(($FINAL + 1))
-	set_and_check client "$TEST" "$PARAM" $FINAL || return 4
- 	umount_client $MOUNT || return 200
+	set_conf_param_and_check client "$TEST" "$PARAM" $FINAL || return 4
+	umount_client $MOUNT || return 200
 	mount_client $MOUNT
 	RESULT=$($TEST)
 	if [ $RESULT -ne $FINAL ]; then
@@ -857,7 +1035,7 @@ test_28() {
 	else
 	    echo "New config success: got $RESULT"
 	fi
-	set_and_check client "$TEST" "$PARAM" $ORIG || return 5
+	set_conf_param_and_check client "$TEST" "$PARAM" $ORIG || return 5
 	cleanup
 }
 run_test 28 "permanent parameter setting"
@@ -874,7 +1052,8 @@ test_29() {
 
         ACTV=$(lctl get_param -n $PROC_ACT)
 	DEAC=$((1 - $ACTV))
-	set_and_check client "lctl get_param -n $PROC_ACT" "$PARAM" $DEAC || return 2
+	set_conf_param_and_check client \
+		"lctl get_param -n $PROC_ACT" "$PARAM" $DEAC || return 2
         # also check ost_server_uuid status
 	RESULT=$(lctl get_param -n $PROC_UUID | grep DEACTIV)
 	if [ -z "$RESULT" ]; then
@@ -885,7 +1064,9 @@ 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
@@ -905,7 +1086,7 @@ test_29() {
 	done
 
         # test new client starts deactivated
- 	umount_client $MOUNT || return 200
+	umount_client $MOUNT || return 200
 	mount_client $MOUNT
 	RESULT=$(lctl get_param -n $PROC_UUID | grep DEACTIV | grep NEW)
 	if [ -z "$RESULT" ]; then
@@ -916,9 +1097,10 @@ test_29() {
 	fi
 
 	# make sure it reactivates
-	set_and_check client "lctl get_param -n $PROC_ACT" "$PARAM" $ACTV || return 6
+	set_conf_param_and_check client \
+		"lctl get_param -n $PROC_ACT" "$PARAM" $ACTV || return 6
 
- 	umount_client $MOUNT
+	umount_client $MOUNT
 	stop_ost2
 	cleanup_nocli
 	#writeconf to remove all ost2 traces for subsequent tests
@@ -926,7 +1108,7 @@ test_29() {
 }
 run_test 29 "permanently remove an OST"
 
-test_30() {
+test_30a() {
 	setup
 
 	echo Big config llog
@@ -934,12 +1116,13 @@ test_30() {
 	ORIG=$($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 ${LIST[@]}; do
-	    set_and_check client "$TEST" "$FSNAME.llite.max_read_ahead_whole_mb" $i || return 3
+		set_conf_param_and_check client "$TEST" \
+			"$FSNAME.llite.max_read_ahead_whole_mb" $i || return 3
 	done
 	# make sure client restart still works
- 	umount_client $MOUNT
+	umount_client $MOUNT
 	mount_client $MOUNT || return 4
-	[ "$($TEST)" -ne "$i" ] && return 5
+	[ "$($TEST)" -ne "$i" ] && error "Param didn't stick across restart $($TEST) != $i"
 	pass
 
 	echo Erase parameter setting
@@ -953,7 +1136,42 @@ test_30() {
 
 	cleanup
 }
-run_test 30 "Big config llog and conf_param deletion"
+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_conf_param_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 30b "Remove failover nids"
 
 test_31() { # bug 10734
         # ipaddr must not exist
@@ -962,196 +1180,468 @@ test_31() { # bug 10734
 }
 run_test 31 "Connect to non-existent node (shouldn't crash)"
 
-# Use these start32/stop32 fn instead of t-f start/stop fn,
-# for local devices, to skip global facet vars init
-stop32 () {
-	local facet=$1
-	shift
-	echo "Stopping local ${MOUNT%/*}/${facet} (opts:$@)"
-	umount -d $@ ${MOUNT%/*}/${facet}
-	losetup -a
-}
+#
+# This is not really a test but a tool to create new disk
+# image tarballs for the upgrade tests.
+#
+# Disk image tarballs should be created on single-node
+# clusters by running this test with default configurations
+# plus a few mandatory environment settings that are verified
+# at the beginning of the test.
+#
+test_32newtarball() {
+	local version
+	local dst=.
+	local src=/etc/rc.d
+	local tmp=$TMP/t32_image_create
+
+	if [ $FSNAME != t32fs -o $MDSCOUNT -ne 1 -o								\
+		 \( -z "$MDSDEV" -a -z "$MDSDEV1" \) -o $OSTCOUNT -ne 1 -o			\
+		 -z "$OSTDEV1" ]; then
+		error "Needs FSNAME=t32fs MDSCOUNT=1 MDSDEV1=<nonexistent_file>"	\
+			  "(or MDSDEV, in the case of b1_8) OSTCOUNT=1"					\
+			  "OSTDEV1=<nonexistent_file>"
+	fi
 
-start32 () {
-	local facet=$1
-	shift
-	local device=$1
-	shift
-	mkdir -p ${MOUNT%/*}/${facet}
-
-	echo "Starting local ${facet}: $@ $device ${MOUNT%/*}/${facet}"
-	mount -t lustre $@ ${device} ${MOUNT%/*}/${facet}
-	local RC=$?
-	if [ $RC -ne 0 ]; then
-		echo "mount -t lustre $@ ${device} ${MOUNT%/*}/${facet}"
-		echo "Start of ${device} of local ${facet} failed ${RC}"
-	fi
-	losetup -a
-	return $RC
-}
+	mkdir $tmp || {
+		echo "Found stale $tmp"
+		return 1
+	}
 
-cleanup_nocli32 () {
-	stop32 mds1 -f
-	stop32 ost1 -f
-	wait_exit_ST client
-}
+	mkdir $tmp/src
+	tar cf - -C $src . | tar xf - -C $tmp/src
 
-cleanup_32() {
-	trap 0
-	echo "Cleanup test_32 umount $MOUNT ..."
-	umount -f $MOUNT || true
-	echo "Cleanup local mds ost1 ..."
-	cleanup_nocli32
-	unload_modules
-}
+	formatall
 
-test_32a() {
-	client_only && skip "client only testing" && return 0
-	[ "$NETTYPE" = "tcp" ] || { skip "NETTYPE != tcp" && return 0; }
-	[ -z "$TUNEFS" ] && skip_env "No tunefs" && return 0
+	setupall
+	tar cf - -C $tmp/src . | tar xf - -C /mnt/$FSNAME
+	stopall
 
-	local DISK1_8=$LUSTRE/tests/disk1_8.tar.bz2
-	[ ! -r $DISK1_8 ] && skip_env "Cannot find $DISK1_8" && return 0
-	local tmpdir=$TMP/conf32a
-	mkdir -p $tmpdir
-	tar xjvf $DISK1_8 -C $tmpdir || \
-		{ skip_env "Cannot untar $DISK1_8" && return 0; }
+	mkdir $tmp/img
 
-	load_modules
-	$LCTL set_param debug=$PTLDEBUG
+	setupall
+	pushd /mnt/$FSNAME
+	ls -Rni --time-style=+%s >$tmp/img/list
+	find . ! -name .lustre -type f -exec sha1sum {} \; |
+		sort -k 2 >$tmp/img/sha1sums
+	popd
+	$LCTL get_param -n version | head -n 1 |
+		sed -e 's/^lustre: *//' >$tmp/img/commit
+	stopall
 
-	$TUNEFS $tmpdir/mds || error "tunefs failed"
+	pushd $tmp/src
+	find -type f -exec sha1sum {} \; | sort -k 2 >$tmp/sha1sums.src
+	popd
 
-	# nids are wrong, so client wont work, but server should start
-	start32 mds1 $tmpdir/mds "-o loop,exclude=lustre-OST0000" && \
-		trap cleanup_32 EXIT INT || return 3
+	if ! diff -u $tmp/sha1sums.src $tmp/img/sha1sums; then
+		echo "Data verification failed"
+	fi
 
-	local UUID=$($LCTL get_param -n mdt.lustre-MDT0000.uuid)
-	echo MDS uuid $UUID
-	[ "$UUID" == "lustre-MDT0000_UUID" ] || error "UUID is wrong: $UUID"
+	uname -r >$tmp/img/kernel
+	uname -m >$tmp/img/arch
 
-	$TUNEFS --mgsnode=$HOSTNAME $tmpdir/ost1 || error "tunefs failed"
-	start32 ost1 $tmpdir/ost1 "-o loop" || return 5
-	UUID=$($LCTL get_param -n obdfilter.lustre-OST0000.uuid)
-	echo OST uuid $UUID
-	[ "$UUID" == "lustre-OST0000_UUID" ] || error "UUID is wrong: $UUID"
+	mv ${MDSDEV1:-$MDSDEV} $tmp/img
+	mv $OSTDEV1 $tmp/img
 
-	local NID=$($LCTL list_nids | head -1)
+	version=$(sed -e 's/\(^[0-9]\+\.[0-9]\+\)\(.*$\)/\1/' $tmp/img/commit |
+			  sed -e 's/\./_/g')	# E.g., "1.8.7" -> "1_8"
+	dst=$(cd $dst; pwd)
+	pushd $tmp/img
+	tar cjvf $dst/disk$version-$(facet_fstype $SINGLEMDS).tar.bz2 -S *
+	popd
 
-	echo "OSC changes should succeed:"
-	$LCTL conf_param lustre-OST0000.osc.max_dirty_mb=15 || return 7
-	$LCTL conf_param lustre-OST0000.failover.node=$NID || return 8
-	echo "ok."
+	rm -r $tmp
+}
+#run_test 32newtarball "Create a new test_32 disk image tarball for this version"
 
-	echo "MDC changes should succeed:"
-	$LCTL conf_param lustre-MDT0000.mdc.max_rpcs_in_flight=9 || return 9
-	$LCTL conf_param lustre-MDT0000.failover.node=$NID || return 10
-	echo "ok."
+#
+# The list of applicable tarballs is returned via the caller's
+# variable "tarballs".
+#
+t32_check() {
+	local node=$(facet_active_host $SINGLEMDS)
+	local r="do_node $node"
 
-	echo "LOV changes should succeed:"
-	$LCTL pool_new lustre.interop || return 11
-	$LCTL conf_param lustre-MDT0000.lov.stripesize=4M || return 12
-	echo "ok."
+	if [ "$CLIENTONLY" ]; then
+		skip "Client-only testing"
+		exit 0
+	fi
 
-	cleanup_32
+	if ! $r which $TUNEFS; then
+		skip_env "tunefs.lustre required on $node"
+		exit 0
+	fi
 
-	# mount a second time to make sure we didnt leave upgrade flag on
-	load_modules
-	$TUNEFS --dryrun $tmpdir/mds || error "tunefs failed"
-	start32 mds1 $tmpdir/mds "-o loop,exclude=lustre-OST0000" && \
-		trap cleanup_32 EXIT INT || return 12
+	if [ -n "$($LCTL list_nids | grep -v '\(tcp\|lo\)[[:digit:]]*$')" ]; then
+		skip "LU-2200: Test cannot run over Infiniband"
+		exit 0
+	fi
 
-	cleanup_32
+	local IMGTYPE=$(facet_fstype $SINGLEMDS)
 
-	rm -rf $tmpdir || true	# true is only for TMP on NFS
-}
-run_test 32a "Upgrade from 1.8 (not live)"
+	tarballs=$($r find $RLUSTRE/tests -maxdepth 1 -name \'disk*-$IMGTYPE.tar.bz2\')
 
-test_32b() {
-	client_only && skip "client only testing" && return 0
-	[ "$NETTYPE" = "tcp" ] || { skip "NETTYPE != tcp" && return 0; }
-	[ -z "$TUNEFS" ] && skip_env "No tunefs" && return
+	if [ -z "$tarballs" ]; then
+		skip "No applicable tarballs found"
+		exit 0
+	fi
+}
 
-	local DISK1_8=$LUSTRE/tests/disk1_8.tar.bz2
-	[ ! -r $DISK1_8 ] && skip_env "Cannot find $DISK1_8" && return 0
-	local tmpdir=$TMP/conf32b
-	mkdir -p $tmpdir
-	tar xjvf $DISK1_8 -C $tmpdir || \
-		{ skip_env "Cannot untar $DISK1_8" && return ; }
+t32_test_cleanup() {
+	local node=$(facet_active_host $SINGLEMDS)
+	local r="do_node $node"
+	local tmp=$TMP/t32
+	local rc=$?
 
-	load_modules
-	$LCTL set_param debug="config"
-	local NEWNAME=lustre
+	if $shall_cleanup_lustre; then
+		umount $tmp/mnt/lustre || rc=$?
+	fi
+	if $shall_cleanup_mdt; then
+		$r umount -d $tmp/mnt/mdt || rc=$?
+	fi
+	if $shall_cleanup_ost; then
+		$r umount -d $tmp/mnt/ost || rc=$?
+	fi
+	$r rm -rf $tmp || rc=$?
+	rm -rf $tmp || rc=$?
+	return $rc
+}
 
-	# writeconf will cause servers to register with their current nids
-	$TUNEFS --writeconf --fsname=$NEWNAME $tmpdir/mds || error "tunefs failed"
-	start32 mds1 $tmpdir/mds "-o loop" && \
-		trap cleanup_32 EXIT INT || return 3
+t32_bits_per_long() {
+	#
+	# Yes, this is not meant to be perfect.
+	#
+	case $1 in
+		ppc64|x86_64)
+			echo -n 64;;
+		i*86)
+			echo -n 32;;
+	esac
+}
 
-	local UUID=$($LCTL get_param -n mdt.${NEWNAME}-MDT0000.uuid)
-	echo MDS uuid $UUID
-	[ "$UUID" == "${NEWNAME}-MDT0000_UUID" ] || error "UUID is wrong: $UUID"
+t32_reload_modules() {
+	local node=$1
+	local all_removed=false
+	local i=0
+
+	while ((i < 20)); do
+		echo "Unloading modules on $node: Attempt $i"
+		do_rpc_nodes $node $LUSTRE_RMMOD $(facet_fstype $SINGLEMDS) &&
+			all_removed=true
+		do_rpc_nodes $node check_mem_leak || return 1
+		if $all_removed; then
+			load_modules
+			return 0
+		fi
+		sleep 5
+		i=$((i + 1))
+	done
+	echo "Unloading modules on $node: Given up"
+	return 1
+}
 
-	$TUNEFS --mgsnode=$HOSTNAME --writeconf --fsname=$NEWNAME $tmpdir/ost1 ||\
-	    error "tunefs failed"
-	start32 ost1 $tmpdir/ost1 "-o loop" || return 5
-	UUID=$($LCTL get_param -n obdfilter.${NEWNAME}-OST0000.uuid)
-	echo OST uuid $UUID
-	[ "$UUID" == "${NEWNAME}-OST0000_UUID" ] || error "UUID is wrong: $UUID"
+t32_wait_til_devices_gone() {
+	local node=$1
+	local devices
+	local i=0
+
+	echo wait for devices to go
+	while ((i < 20)); do
+		devices=$(do_rpc_nodes $node $LCTL device_list | wc -l)
+		echo $device
+		((devices == 0)) && return 1
+		sleep 5
+		i=$((i + 1))
+	done
+	echo "waiting for devices on $node: Given up"
+	return 1
+}
+
+t32_test() {
+	local tarball=$1
+	local writeconf=$2
+	local shall_cleanup_mdt=false
+	local shall_cleanup_ost=false
+	local shall_cleanup_lustre=false
+	local node=$(facet_active_host $SINGLEMDS)
+	local r="do_node $node"
+	local tmp=$TMP/t32
+	local img_commit
+	local img_kernel
+	local img_arch
+	local fsname=t32fs
+	local nid=$($r $LCTL list_nids | head -1)
+	local mopts
+	local uuid
+	local nrpcs_orig
+	local nrpcs
+	local list
+
+	trap 'trap - RETURN; t32_test_cleanup' RETURN
+
+	mkdir -p $tmp/mnt/lustre
+	$r mkdir -p $tmp/mnt/{mdt,ost}
+	$r tar xjvf $tarball -S -C $tmp || {
+		error_noexit "Unpacking the disk image tarball"
+		return 1
+	}
+	img_commit=$($r cat $tmp/commit)
+	img_kernel=$($r cat $tmp/kernel)
+	img_arch=$($r cat $tmp/arch)
+	echo "Upgrading from $(basename $tarball), created with:"
+	echo "  Commit: $img_commit"
+	echo "  Kernel: $img_kernel"
+	echo "    Arch: $img_arch"
+
+	$r $LCTL set_param debug="$PTLDEBUG"
+
+	$r $TUNEFS --dryrun $tmp/mdt || {
+		error_noexit "tunefs.lustre before mounting the MDT"
+		return 1
+	}
+	if [ "$writeconf" ]; then
+		mopts=loop,writeconf
+	else
+		mopts=loop,exclude=$fsname-OST0000
+	fi
 
-	local NID=$($LCTL list_nids | head -1)
+	t32_wait_til_devices_gone $node
 
-	echo "OSC changes should succeed:"
-	$LCTL conf_param ${NEWNAME}-OST0000.osc.max_dirty_mb=15 || return 7
-	$LCTL conf_param ${NEWNAME}-OST0000.failover.node=$NID || return 8
-	echo "ok."
+	$r mount -t lustre -o $mopts $tmp/mdt $tmp/mnt/mdt || {
+		error_noexit "Mounting the MDT"
+		return 1
+	}
+	shall_cleanup_mdt=true
 
-	echo "MDC changes should succeed:"
-	$LCTL conf_param ${NEWNAME}-MDT0000.mdc.max_rpcs_in_flight=9 || return 9
-	$LCTL conf_param ${NEWNAME}-MDT0000.failover.node=$NID || return 10
-	echo "ok."
+	uuid=$($r $LCTL get_param -n mdt.$fsname-MDT0000.uuid) || {
+		error_noexit "Getting MDT UUID"
+		return 1
+	}
+	if [ "$uuid" != $fsname-MDT0000_UUID ]; then
+		error_noexit "Unexpected MDT UUID: \"$uuid\""
+		return 1
+	fi
 
-	echo "LOV changes should succeed:"
-	$LCTL pool_new ${NEWNAME}.interop || return 11
-	$LCTL conf_param ${NEWNAME}-MDT0000.lov.stripesize=4M || return 12
-	echo "ok."
+	$r $TUNEFS --dryrun $tmp/ost || {
+		error_noexit "tunefs.lustre before mounting the OST"
+		return 1
+	}
+	if [ "$writeconf" ]; then
+		mopts=loop,mgsnode=$nid,$writeconf
+	else
+		mopts=loop,mgsnode=$nid
+	fi
+	$r mount -t lustre -o $mopts $tmp/ost $tmp/mnt/ost || {
+		error_noexit "Mounting the OST"
+		return 1
+	}
+	shall_cleanup_ost=true
 
-	# MDT and OST should have registered with new nids, so we should have
-	# a fully-functioning client
-	echo "Check client and old fs contents"
+	uuid=$($r $LCTL get_param -n obdfilter.$fsname-OST0000.uuid) || {
+		error_noexit "Getting OST UUID"
+		return 1
+	}
+	if [ "$uuid" != $fsname-OST0000_UUID ]; then
+		error_noexit "Unexpected OST UUID: \"$uuid\""
+		return 1
+	fi
 
-	local device=`h2$NETTYPE $HOSTNAME`:/$NEWNAME
-	echo "Starting local client: $HOSTNAME: $device $MOUNT"
-	mount -t lustre $device $MOUNT || return 1
+	$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
+	}
+	$r $LCTL pool_new $fsname.interop || {
+		error_noexit "Setting \"interop\""
+		return 1
+	}
+	$r $LCTL conf_param $fsname-MDT0000.lov.stripesize=4M || {
+		error_noexit "Setting \"lov.stripesize\""
+		return 1
+	}
+
+	if [ "$writeconf" ]; then
+		mount -t lustre $nid:/$fsname $tmp/mnt/lustre || {
+			error_noexit "Mounting the client"
+			return 1
+		}
+		shall_cleanup_lustre=true
+		$LCTL set_param debug="$PTLDEBUG"
+
+		if $r test -f $tmp/sha1sums; then
+			$r sort -k 2 $tmp/sha1sums >$tmp/sha1sums.orig
+			pushd $tmp/mnt/lustre
+			find ! -name .lustre -type f -exec sha1sum {} \; |
+				sort -k 2 >$tmp/sha1sums || {
+				error_noexit "sha1sum"
+				return 1
+			}
+			popd
+			if ! diff -ub $tmp/sha1sums.orig $tmp/sha1sums; then
+				error_noexit "sha1sum verification failed"
+				return 1
+			fi
+		else
+			echo "sha1sum verification skipped"
+		fi
+
+		if $r test -f $tmp/list; then
+			#
+			# There is not a Test Framework API to copy files to or
+			# from a remote node.
+			#
+			$r sort -k 6 $tmp/list >$tmp/list.orig
+			pushd $tmp/mnt/lustre
+			ls -Rni --time-style=+%s | sort -k 6 >$tmp/list || {
+				error_noexit "ls"
+				return 1
+			}
+			popd
+			#
+			# 32-bit and 64-bit clients use different algorithms to
+			# convert FIDs into inode numbers.  Hence, remove the inode
+			# numbers from the lists, if the original list was created
+			# on an architecture with different number of bits per
+			# "long".
+			#
+			if [ $(t32_bits_per_long $(uname -m)) !=						\
+				 $(t32_bits_per_long $img_arch) ]; then
+				echo "Different number of bits per \"long\" from the disk image"
+				for list in list.orig list; do
+					sed -i -e 's/^[0-9]\+[ \t]\+//' $tmp/$list
+				done
+			fi
+			if ! diff -ub $tmp/list.orig $tmp/list; then
+				error_noexit "list verification failed"
+				return 1
+			fi
+		else
+			echo "list verification skipped"
+		fi
+
+		#
+		# When adding new data verification tests, please check for
+		# the presence of the required reference files first, like
+		# the "sha1sums" and "list" tests above, to avoid the need to
+		# regenerate every image for each test addition.
+		#
+
+		nrpcs_orig=$($LCTL get_param -n mdc.*.max_rpcs_in_flight) || {
+			error_noexit "Getting \"max_rpcs_in_flight\""
+			return 1
+		}
+		nrpcs=$((nrpcs_orig + 5))
+		$r $LCTL conf_param $fsname-MDT0000.mdc.max_rpcs_in_flight=$nrpcs || {
+			error_noexit "Changing \"max_rpcs_in_flight\""
+			return 1
+		}
+		wait_update $HOSTNAME "$LCTL get_param -n mdc.*.max_rpcs_in_flight"	\
+		            $nrpcs || {
+			error_noexit "Verifying \"max_rpcs_in_flight\""
+			return 1
+		}
+
+		umount $tmp/mnt/lustre || {
+			error_noexit "Unmounting the client"
+			return 1
+		}
+		shall_cleanup_lustre=false
+	else
+		$r umount -d $tmp/mnt/mdt || {
+			error_noexit "Unmounting the MDT"
+			return 1
+		}
+		shall_cleanup_mdt=false
+		$r umount -d $tmp/mnt/ost || {
+			error_noexit "Unmounting the OST"
+			return 1
+		}
+		shall_cleanup_ost=false
+
+		t32_reload_modules $node || {
+			error_noexit "Reloading modules"
+			return 1
+		}
+
+		# mount a second time to make sure we didnt leave upgrade flag on
+		$r $TUNEFS --dryrun $tmp/mdt || {
+			error_noexit "tunefs.lustre before remounting the MDT"
+			return 1
+		}
+		$r mount -t lustre -o loop,exclude=$fsname-OST0000 $tmp/mdt			\
+				 $tmp/mnt/mdt || {
+			error_noexit "Remounting the MDT"
+			return 1
+		}
+		shall_cleanup_mdt=true
+	fi
+}
 
-	local old=$($LCTL get_param -n mdc.*.max_rpcs_in_flight)
-	local new=$((old + 5))
-	$LCTL conf_param ${NEWNAME}-MDT0000.mdc.max_rpcs_in_flight=$new
-	wait_update $HOSTNAME "$LCTL get_param -n mdc.*.max_rpcs_in_flight" $new || return 11
+test_32a() {
+	local tarballs
+	local tarball
+	local rc=0
 
-	[ "$(cksum $MOUNT/passwd | cut -d' ' -f 1,2)" == "94306271 1478" ] || return 12
-	echo "ok."
+	t32_check
+	for tarball in $tarballs; do
+		t32_test $tarball || rc=$?
+	done
+	return $rc
+}
+run_test 32a "Upgrade (not live)"
 
-	cleanup_32
+test_32b() {
+	local tarballs
+	local tarball
+	local rc=0
 
-	rm -rf $tmpdir || true  # true is only for TMP on NFS
+	t32_check
+	for tarball in $tarballs; do
+		t32_test $tarball writeconf || rc=$?
+	done
+	return $rc
 }
-run_test 32b "Upgrade from 1.8 with writeconf"
+run_test 32b "Upgrade with writeconf"
 
 test_33a() { # bug 12333, was test_33
         local rc=0
         local FSNAME2=test-123
+        local MDSDEV=$(mdsdevname ${SINGLEMDS//mds/})
+	local mkfsoptions
+
         [ -n "$ost1_HOST" ] && fs2ost_HOST=$ost1_HOST
 
         if [ -z "$fs2ost_DEV" -o -z "$fs2mds_DEV" ]; then
-                do_facet $SINGLEMDS [ -b "$MDSDEV" ] && \
+                local dev=${SINGLEMDS}_dev
+                local MDSDEV=${!dev}
+                is_blkdev $SINGLEMDS $MDSDEV && \
                 skip_env "mixed loopback and real device not working" && return
         fi
 
-        local fs2mdsdev=${fs2mds_DEV:-${MDSDEV}_2}
-        local fs2ostdev=${fs2ost_DEV:-$(ostdevname 1)_2}
-        add fs2mds $MDS_MKFS_OPTS --mkfsoptions='\"-J size=8\"' --fsname=${FSNAME2} --reformat $fs2mdsdev || exit 10
-        add fs2ost $OST_MKFS_OPTS --fsname=${FSNAME2} --index=8191 --mgsnode=$MGSNID --reformat $fs2ostdev || exit 10
+	local fs2mdsdev=$(mdsdevname 1_2)
+	local fs2ostdev=$(ostdevname 1_2)
+	local fs2mdsvdev=$(mdsvdevname 1_2)
+	local fs2ostvdev=$(ostvdevname 1_2)
+
+	if [ $(facet_fstype mds1) == ldiskfs ]; then
+		mkfsoptions="--mkfsoptions=\\\"-J size=8\\\"" # See bug 17931.
+	fi
+
+	add fs2mds $(mkfs_opts mds1) --fsname=${FSNAME2} --reformat \
+		$mkfsoptions $fs2mdsdev $fs2mdsvdev || exit 10
+	add fs2ost $(mkfs_opts ost1) --mgsnode=$MGSNID --fsname=${FSNAME2} \
+		--index=8191 --reformat $fs2ostdev $fs2ostvdev || exit 10
 
         start fs2mds $fs2mdsdev $MDS_MOUNT_OPTS && trap cleanup_24a EXIT INT
         start fs2ost $fs2ostdev $OST_MOUNT_OPTS
@@ -1166,7 +1656,6 @@ test_33a() { # bug 12333, was test_33
         umount -d $MOUNT2
         stop fs2ost -f
         stop fs2mds -f
-        rm -rf $MOUNT2 $fs2mdsdev $fs2ostdev
         cleanup_nocli || rc=6
         return $rc
 }
@@ -1177,7 +1666,7 @@ test_33b() {	# was test_34
 
         do_facet client dd if=/dev/zero of=$MOUNT/24 bs=1024k count=1
         # Drop lock cancelation reply during umount
-	#define OBD_FAIL_LDLM_CANCEL             0x304
+	#define OBD_FAIL_LDLM_CANCEL_NET			0x304
         do_facet client lctl set_param fail_loc=0x80000304
         #lctl set_param debug=-1
         umount_client $MOUNT
@@ -1205,7 +1694,7 @@ test_34b() {
 	touch $DIR/$tfile || return 1
 	stop_mds --force || return 2
 
- 	manual_umount_client --force
+	manual_umount_client --force
 	rc=$?
 	if [ $rc -ne 0 ]; then
 		error "mtab after failed umount - rc $rc"
@@ -1221,7 +1710,7 @@ test_34c() {
 	touch $DIR/$tfile || return 1
 	stop_ost --force || return 2
 
- 	manual_umount_client --force
+	manual_umount_client --force
 	rc=$?
 	if [ $rc -ne 0 ]; then
 		error "mtab after failed umount - rc $rc"
@@ -1241,7 +1730,8 @@ test_35a() { # bug 12459
 	log "Set up a fake failnode for the MDS"
 	FAKENID="127.0.0.2"
 	local device=$(do_facet $SINGLEMDS "lctl get_param -n devices" | awk '($3 ~ "mdt" && $4 ~ "MDT") { print $4 }' | head -1)
-	do_facet $SINGLEMDS $LCTL conf_param ${device}.failover.node=$FAKENID || return 4
+	do_facet mgs "$LCTL conf_param ${device}.failover.node=" \
+		"$(h2$NETTYPE $FAKENID)" || return 4
 
 	log "Wait for RECONNECT_INTERVAL seconds (10s)"
 	sleep 10
@@ -1276,6 +1766,8 @@ 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"
 
@@ -1291,31 +1783,33 @@ test_35b() { # bug 18674
 
 	log "Set up a fake failnode for the MDS"
 	FAKENID="127.0.0.2"
-	local device=$(do_facet mds "$LCTL get_param -n devices" | \
+	local device=$(do_facet $SINGLEMDS "$LCTL get_param -n devices" | \
 			awk '($3 ~ "mdt" && $4 ~ "MDT") { print $4 }' | head -1)
-	do_facet mds "$LCTL conf_param ${device}.failover.node=$FAKENID" || \
-		return 1
+	do_facet mgs "$LCTL conf_param ${device}.failover.node=" \
+		"$(h2$NETTYPE $FAKENID)" || return 1
 
 	local at_max_saved=0
-	# adaptive timeouts may prevent seeing the issue 
+	# adaptive timeouts may prevent seeing the issue
 	if at_is_enabled; then
 		at_max_saved=$(at_max_get mds)
 		at_max_set 0 mds client
 	fi
 
-	mkdir -p $MOUNT/testdir
-	touch $MOUNT/testdir/test
+	mkdir -p $MOUNT/$tdir
 
 	log "Injecting EBUSY on MDS"
 	# Setting OBD_FAIL_MDS_RESEND=0x136
-	do_facet mds "$LCTL set_param fail_loc=0x80000136" || return 2
+	do_facet $SINGLEMDS "$LCTL set_param fail_loc=0x80000136" || return 2
+
+	$LCTL set_param mdc.${FSNAME}*.stats=clear
 
-	log "Stat on a test file"
-	stat $MOUNT/testdir/test
+	log "Creating a test file and stat it"
+	touch $MOUNT/$tdir/$tfile
+	stat $MOUNT/$tdir/$tfile
 
 	log "Stop injecting EBUSY on MDS"
-	do_facet mds "$LCTL set_param fail_loc=0" || return 3
-	rm -f $MOUNT/testdir/test
+	do_facet $SINGLEMDS "$LCTL set_param fail_loc=0" || return 3
+	rm -f $MOUNT/$tdir/$tfile
 
 	log "done"
 	# restore adaptive timeout
@@ -1323,6 +1817,8 @@ test_35b() { # bug 18674
 
 	$LCTL dk $TMP/lustre-log-$TESTNAME.log
 
+	CONNCNT=`$LCTL get_param mdc.${FSNAME}*.stats | awk '/mds_connect/{print $2}'`
+
 	# retrieve from the log if the client has ever tried to
 	# contact the fake server after the loss of connection
 	FAILCONN=`awk "BEGIN {ret = 0;}
@@ -1342,35 +1838,52 @@ test_35b() { # bug 18674
 		log "ERROR: The client tried to reconnect to the failover server while the primary was busy" && \
 		return 5
 
-        cleanup
+	# LU-290
+	# When OBD_FAIL_MDS_RESEND is hit, we sleep for 2 * obd_timeout
+	# Reconnects are supposed to be rate limited to one every 5s
+	[ $CONNCNT -gt $((2 * $TIMEOUT / 5 + 1)) ] && \
+		log "ERROR: Too many reconnects $CONNCNT" && \
+		return 6
+
+	cleanup
+	# remove nid settings
+	writeconf
 }
 run_test 35b "Continue reconnection retries, if the active server is busy"
 
 test_36() { # 12743
-        local rc
+        [ $OSTCOUNT -lt 2 ] && skip_env "skipping test for single OST" && return
+
+        [ "$ost_HOST" = "`hostname`" -o "$ost1_HOST" = "`hostname`" ] || \
+		{ skip "remote OST" && return 0; }
+
+        local rc=0
         local FSNAME2=test1234
         local fs3ost_HOST=$ost_HOST
+        local MDSDEV=$(mdsdevname ${SINGLEMDS//mds/})
 
         [ -n "$ost1_HOST" ] && fs2ost_HOST=$ost1_HOST && fs3ost_HOST=$ost1_HOST
-        rc=0
 
         if [ -z "$fs2ost_DEV" -o -z "$fs2mds_DEV" -o -z "$fs3ost_DEV" ]; then
-		do_facet $SINGLEMDS [ -b "$MDSDEV" ] && \
+		is_blkdev $SINGLEMDS $MDSDEV && \
 		skip_env "mixed loopback and real device not working" && return
         fi
-        [ $OSTCOUNT -lt 2 ] && skip_env "skipping test for single OST" && return
 
-	[ "$ost_HOST" = "`hostname`" -o "$ost1_HOST" = "`hostname`" ] || \
-		{ skip "remote OST" && return 0; }
-
-        local fs2mdsdev=${fs2mds_DEV:-${MDSDEV}_2}
-        local fs2ostdev=${fs2ost_DEV:-$(ostdevname 1)_2}
-        local fs3ostdev=${fs3ost_DEV:-$(ostdevname 2)_2}
-        add fs2mds $MDS_MKFS_OPTS --fsname=${FSNAME2} --reformat $fs2mdsdev || exit 10
-        # XXX after we support non 4K disk blocksize, change following --mkfsoptions with
-        # other argument
-        add fs2ost $OST_MKFS_OPTS --mkfsoptions='-b4096' --fsname=${FSNAME2} --mgsnode=$MGSNID --reformat $fs2ostdev || exit 10
-        add fs3ost $OST_MKFS_OPTS --mkfsoptions='-b4096' --fsname=${FSNAME2} --mgsnode=$MGSNID --reformat $fs3ostdev || exit 10
+	local fs2mdsdev=$(mdsdevname 1_2)
+	local fs2ostdev=$(ostdevname 1_2)
+	local fs3ostdev=$(ostdevname 2_2)
+	local fs2mdsvdev=$(mdsvdevname 1_2)
+	local fs2ostvdev=$(ostvdevname 1_2)
+	local fs3ostvdev=$(ostvdevname 2_2)
+
+	add fs2mds $(mkfs_opts mds1) --fsname=${FSNAME2} --reformat \
+		$fs2mdsdev $fs2mdsvdev || exit 10
+	# XXX after we support non 4K disk blocksize in ldiskfs, specify a
+	#     different one than the default value here.
+	add fs2ost $(mkfs_opts ost1) --mgsnode=$MGSNID --fsname=${FSNAME2} \
+		--reformat $fs2ostdev $fs2ostvdev || exit 10
+	add fs3ost $(mkfs_opts ost1) --mgsnode=$MGSNID --fsname=${FSNAME2} \
+		--reformat $fs3ostdev $fs3ostvdev || exit 10
 
         start fs2mds $fs2mdsdev $MDS_MOUNT_OPTS
         start fs2ost $fs2ostdev $OST_MOUNT_OPTS
@@ -1413,40 +1926,58 @@ test_36() { # 12743
         stop fs3ost -f || return 200
         stop fs2ost -f || return 201
         stop fs2mds -f || return 202
-        rm -rf $MOUNT2 $fs2mdsdev $fs2ostdev $fs3ostdev
-        unload_modules || return 203
+        unload_modules_conf || return 203
         return $rc
 }
 run_test 36 "df report consistency on OSTs with different block size"
 
 test_37() {
-	client_only && skip "client only testing" && return 0
-	LOCAL_MDSDEV="$TMP/mdt.img"
-	SYM_MDSDEV="$TMP/sym_mdt.img"
+	local mntpt=$(facet_mntpt $SINGLEMDS)
+	local mdsdev=$(mdsdevname ${SINGLEMDS//mds/})
+	local mdsdev_sym="$TMP/sym_mdt.img"
+	local opts=$MDS_MOUNT_OPTS
+	local rc=0
 
-	echo "MDS :     $LOCAL_MDSDEV"
-	echo "SYMLINK : $SYM_MDSDEV"
-	rm -f $LOCAL_MDSDEV
+	if [ $(facet_fstype $SINGLEMDS) != ldiskfs ]; then
+		skip "Currently only applicable to ldiskfs-based MDTs"
+		return
+	fi
+
+	echo "MDS :     $mdsdev"
+	echo "SYMLINK : $mdsdev_sym"
+	do_facet $SINGLEMDS rm -f $mdsdev_sym
+
+	do_facet $SINGLEMDS ln -s $mdsdev $mdsdev_sym
 
-	touch $LOCAL_MDSDEV
-	mkfs.lustre --reformat --fsname=lustre --mdt --mgs --device-size=9000 $LOCAL_MDSDEV ||
-		error "mkfs.lustre $LOCAL_MDSDEV failed"
-	ln -s $LOCAL_MDSDEV $SYM_MDSDEV
+	echo "mount symlink device - $mdsdev_sym"
 
-	echo "mount symlink device - $SYM_MDSDEV"
+	if ! do_facet $SINGLEMDS test -b $mdsdev; then
+		opts=$(csa_add "$opts" -o loop)
+	fi
+	mount_op=$(do_facet $SINGLEMDS mount -v -t lustre $opts \
+		$mdsdev_sym $mntpt 2>&1)
+	rc=${PIPESTATUS[0]}
+
+	echo mount_op=$mount_op
 
-	mount_op=`mount -v -t lustre -o loop $SYM_MDSDEV ${MOUNT%/*}/mds 2>&1 | grep "unable to set tunable"`
-	umount -d ${MOUNT%/*}/mds
-	rm -f $LOCAL_MDSDEV $SYM_MDSDEV
+	do_facet $SINGLEMDS "umount -d $mntpt && rm -f $mdsdev_sym"
 
-	if [ -n "$mount_op" ]; then
-		error "**** FAIL: set tunables failed for symlink device"
+	if $(echo $mount_op | grep -q "unable to set tunable"); then
+		error "set tunables failed for symlink device"
 	fi
+
+	[ $rc -eq 0 ] || error "mount symlink $mdsdev_sym failed! rc=$rc"
+
 	return 0
 }
 run_test 37 "verify set tunables works for symlink device"
 
 test_38() { # bug 14222
+	if [ $(facet_fstype $SINGLEMDS) != ldiskfs ]; then
+		skip "Only applicable to ldiskfs-based MDTs"
+		return
+	fi
+
 	setup
 	# like runtests
 	COUNT=10
@@ -1462,8 +1993,7 @@ 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"
 
@@ -1516,16 +2046,21 @@ run_test 39 "leak_finder recognizes both LUSTRE and LNET malloc messages"
 test_40() { # bug 15759
 	start_ost
 	#define OBD_FAIL_TGT_TOOMANY_THREADS     0x706
-	do_facet $SINGLEMDS "sysctl -w lustre.fail_loc=0x80000706"
+	do_facet $SINGLEMDS "$LCTL set_param fail_loc=0x80000706"
 	start_mds
 	cleanup
 }
 run_test 40 "race during service thread startup"
 
-test_41() { #bug 14134
+test_41a() { #bug 14134
+	if [ $(facet_fstype $SINGLEMDS) == ldiskfs ] &&
+	   ! do_facet $SINGLEMDS test -b $(mdsdevname 1); then
+		skip "Loop devices does not work with nosvc option"
+		return
+	fi
+
         local rc
-        local dev=${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
@@ -1541,10 +2076,41 @@ test_41() { #bug 14134
         stop ost1 -f || return 201
         stop_mds -f || return 202
         stop_mds -f || return 203
-        unload_modules || return 204
+        unload_modules_conf || return 204
         return $rc
 }
-run_test 41 "mount mds with --nosvc and --nomgs"
+run_test 41a "mount mds with --nosvc and --nomgs"
+
+test_41b() {
+	if [ $(facet_fstype $SINGLEMDS) == ldiskfs ] &&
+	   ! do_facet $SINGLEMDS test -b $(mdsdevname 1); then
+		skip "Loop devices does not work with nosvc option"
+		return
+	fi
+
+        ! combined_mgs_mds && skip "needs combined mgs device" && return 0
+
+        stopall
+        reformat
+        local MDSDEV=$(mdsdevname ${SINGLEMDS//mds/})
+
+        start $SINGLEMDS $MDSDEV $MDS_MOUNT_OPTS -o nosvc -n
+        start_ost
+        start $SINGLEMDS $MDSDEV $MDS_MOUNT_OPTS -o nomgs,force
+        mkdir -p $MOUNT
+        mount_client $MOUNT || return 1
+        sleep 5
+
+        echo "blah blah" > $MOUNT/$tfile
+        cat $MOUNT/$tfile || return 200
+
+        umount_client $MOUNT
+        stop_ost || return 201
+        stop_mds -f || return 202
+        stop_mds -f || return 203
+
+}
+run_test 41b "mount mds with --nosvc and --nomgs on first mount"
 
 test_42() { #bug 14693
         setup
@@ -1558,17 +2124,17 @@ test_42() { #bug 14693
 run_test 42 "invalid config param should not prevent client from mounting"
 
 test_43() {
-    [ $UID -ne 0 -o $RUNAS_ID -eq 0 ] && skip_env "run as root"
-    setup
-    chmod ugo+x $DIR || error "chmod 0 failed"
-    set_and_check mds                                        \
-        "lctl get_param -n mdt.$FSNAME-MDT0000.root_squash"  \
-        "$FSNAME.mdt.root_squash"                            \
-        "0:0"
-    set_and_check mds                                        \
-       "lctl get_param -n mdt.$FSNAME-MDT0000.nosquash_nids" \
-       "$FSNAME.mdt.nosquash_nids"                           \
-       "NONE"
+	[ $UID -ne 0 -o $RUNAS_ID -eq 0 ] && skip_env "run as root"
+	setup
+	chmod ugo+x $DIR || error "chmod 0 failed"
+	set_conf_param_and_check mds					\
+		"lctl get_param -n mdt.$FSNAME-MDT0000.root_squash"	\
+		"$FSNAME.mdt.root_squash"				\
+		"0:0"
+	set_conf_param_and_check mds					\
+		"lctl get_param -n mdt.$FSNAME-MDT0000.nosquash_nids"	\
+		"$FSNAME.mdt.nosquash_nids"				\
+		"NONE"
 
     #
     # create set of test files
@@ -1584,15 +2150,15 @@ test_43() {
     chmod go-rwx $DIR/$tdir-rootdir   || error "chmod 3 failed"
     touch $DIR/$tdir-rootdir/tfile-1  || error "touch failed"
 
-    #
-    # check root_squash:
-    #   set root squash UID:GID to RUNAS_ID
-    #   root should be able to access only files owned by RUNAS_ID
-    #
-    set_and_check mds                                        \
-       "lctl get_param -n mdt.$FSNAME-MDT0000.root_squash"   \
-       "$FSNAME.mdt.root_squash"                             \
-       "$RUNAS_ID:$RUNAS_ID"
+	#
+	# check root_squash:
+	#   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 mds					\
+		"lctl get_param -n mdt.$FSNAME-MDT0000.root_squash"	\
+		"$FSNAME.mdt.root_squash"				\
+		"$RUNAS_ID:$RUNAS_ID"
 
     ST=$(stat -c "%n: owner uid %u (%A)" $DIR/$tfile-userfile)
     dd if=$DIR/$tfile-userfile 1>/dev/null 2>/dev/null || \
@@ -1623,18 +2189,18 @@ test_43() {
         error "$ST: root create permission is granted"
     echo "$ST: root create permission is denied - ok"
 
-    #
-    # check nosquash_nids:
-    #   put client's NID into nosquash_nids list,
-    #   root should be able to access root file after that
-    #
-    local NIDLIST=$(lctl list_nids all | tr '\n' ' ')
-    NIDLIST="2@elan $NIDLIST 192.168.0.[2,10]@tcp"
-    NIDLIST=$(echo $NIDLIST | tr -s ' ' ' ')
-    set_and_check mds                                        \
-       "lctl get_param -n mdt.$FSNAME-MDT0000.nosquash_nids" \
-       "$FSNAME-MDTall.mdt.nosquash_nids"                    \
-       "$NIDLIST"
+	#
+	# check nosquash_nids:
+	#   put client's NID into nosquash_nids list,
+	#   root should be able to access root file after that
+	#
+	local NIDLIST=$(lctl list_nids all | tr '\n' ' ')
+	NIDLIST="2@elan $NIDLIST 192.168.0.[2,10]@tcp"
+	NIDLIST=$(echo $NIDLIST | tr -s ' ' ' ')
+	set_conf_param_and_check mds					\
+		"lctl get_param -n mdt.$FSNAME-MDT0000.nosquash_nids"	\
+		"$FSNAME-MDTall.mdt.nosquash_nids"			\
+		"$NIDLIST"
 
     ST=$(stat -c "%n: owner uid %u (%A)" $DIR/$tfile-rootfile)
     dd if=$DIR/$tfile-rootfile 1>/dev/null 2>/dev/null || \
@@ -1666,7 +2232,7 @@ test_44() { # 16317
         check_mount || return 2
         UUID=$($LCTL get_param llite.${FSNAME}*.uuid | cut -d= -f2)
         STATS_FOUND=no
-        UUIDS=$(do_facet mds "$LCTL get_param mdt.${FSNAME}*.exports.*.uuid")
+        UUIDS=$(do_facet $SINGLEMDS "$LCTL get_param mdt.${FSNAME}*.exports.*.uuid")
         for VAL in $UUIDS; do
                 NID=$(echo $VAL | cut -d= -f1)
                 CLUUID=$(echo $VAL | cut -d= -f2)
@@ -1709,11 +2275,10 @@ cleanup_46a() {
 		stop ost${count} -f || rc=$?
 		let count=count-1
 	done	
-	stop_mds || rc=$? 
-	# writeconf is needed after the test, otherwise,
-	# we might end up with extra OSTs
-	writeconf || rc=$?
+	stop_mds || rc=$?
 	cleanup_nocli || rc=$?
+	#writeconf to remove all ost2 traces for subsequent tests
+	writeconf
 	return $rc
 }
 
@@ -1728,7 +2293,7 @@ test_46a() {
 	mount_client $MOUNT || return 3
 	trap "cleanup_46a $OSTCOUNT" EXIT ERR
 
-	local i 
+	local i
 	for (( i=2; i<=$OSTCOUNT; i++ )); do
 	    start ost$i `ostdevname $i` $OST_MOUNT_OPTS || return $((i+2))
 	done
@@ -1736,13 +2301,13 @@ test_46a() {
 	# wait until osts in sync
 	for (( i=2; i<=$OSTCOUNT; i++ )); do
 	    wait_osc_import_state mds ost$i FULL
+	    wait_osc_import_state client ost$i FULL
 	done
 
-
 	#second client see all ost's
 
 	mount_client $MOUNT2 || return 8
-	$LFS setstripe $MOUNT2 -c -1 || return 9
+	$LFS setstripe -c -1 $MOUNT2 || return 9
 	$LFS getstripe $MOUNT2 || return 10
 
 	echo "ok" > $MOUNT2/widestripe
@@ -1810,9 +2375,9 @@ cleanup_48() {
 test_48() { # bug 17636
 	reformat
 	setup_noconfig
-        check_mount || return 2
+	check_mount || return 2
 
-	$LFS setstripe $MOUNT -c -1 || return 9
+	$LFS setstripe -c -1 $MOUNT || return 9
 	$LFS getstripe $MOUNT || return 10
 
 	echo "ok" > $MOUNT/widestripe
@@ -1834,19 +2399,19 @@ run_test 48 "too many acls on file"
 
 # check PARAM_SYS_LDLM_TIMEOUT option of MKFS.LUSTRE
 test_49() { # bug 17710
-	local OLD_MDS_MKFS_OPTS=$MDS_MKFS_OPTS
-	local OLD_OST_MKFS_OPTS=$OST_MKFS_OPTS
+	local timeout_orig=$TIMEOUT
+	local ldlm_timeout_orig=$LDLM_TIMEOUT
 	local LOCAL_TIMEOUT=20
 
-
-	OST_MKFS_OPTS="--ost --fsname=$FSNAME --device-size=$OSTSIZE --mgsnode=$MGSNID --param sys.timeout=$LOCAL_TIMEOUT --param sys.ldlm_timeout=$LOCAL_TIMEOUT $MKFSOPT $OSTOPT"
+	LDLM_TIMEOUT=$LOCAL_TIMEOUT
+	TIMEOUT=$LOCAL_TIMEOUT
 
 	reformat
 	setup_noconfig
 	check_mount || return 1
 
 	echo "check ldlm_timout..."
-	LDLM_MDS="`do_facet mds lctl get_param -n ldlm_timeout`"
+	LDLM_MDS="`do_facet $SINGLEMDS lctl get_param -n ldlm_timeout`"
 	LDLM_OST1="`do_facet ost1 lctl get_param -n ldlm_timeout`"
 	LDLM_CLIENT="`do_facet client lctl get_param -n ldlm_timeout`"
 
@@ -1862,13 +2427,13 @@ test_49() { # bug 17710
 	stop_ost || return 2
 	stop_mds || return 3
 
-	OST_MKFS_OPTS="--ost --fsname=$FSNAME --device-size=$OSTSIZE --mgsnode=$MGSNID --param sys.timeout=$LOCAL_TIMEOUT --param sys.ldlm_timeout=$((LOCAL_TIMEOUT - 1)) $MKFSOPT $OSTOPT"
+	LDLM_TIMEOUT=$((LOCAL_TIMEOUT - 1))
 
 	reformat
 	setup_noconfig
 	check_mount || return 7
 
-	LDLM_MDS="`do_facet mds lctl get_param -n ldlm_timeout`"
+	LDLM_MDS="`do_facet $SINGLEMDS lctl get_param -n ldlm_timeout`"
 	LDLM_OST1="`do_facet ost1 lctl get_param -n ldlm_timeout`"
 	LDLM_CLIENT="`do_facet client lctl get_param -n ldlm_timeout`"
 
@@ -1882,8 +2447,8 @@ test_49() { # bug 17710
 
 	cleanup || return $?
 
-	MDS_MKFS_OPTS=$OLD_MDS_MKFS_OPTS
-	OST_MKFS_OPTS=$OLD_OST_MKFS_OPTS
+	LDLM_TIMEOUT=$ldlm_timeout_orig
+	TIMEOUT=$timeout_orig
 }
 run_test 49 "check PARAM_SYS_LDLM_TIMEOUT option of MKFS.LUSTRE"
 
@@ -1951,9 +2516,11 @@ test_50c() {
         wait_osc_import_state mds ost DISCONN
 	lazystatfs $MOUNT || error "lazystatfs failed with one down server"
 
- 	umount_client $MOUNT || error "Unable to unmount client"
+	umount_client $MOUNT || error "Unable to unmount client"
 	stop_ost2 || error "Unable to stop OST2"
 	stop_mds || error "Unable to stop MDS"
+	#writeconf to remove all ost2 traces for subsequent tests
+	writeconf
 }
 run_test 50c "lazystatfs one server down =========================="
 
@@ -1971,9 +2538,11 @@ test_50d() {
 	stop_ost || error "Unable to stop OST1"
 	lazystatfs $MOUNT || error "lazystatfs failed with one down server"
 
- 	umount_client $MOUNT || error "Unable to unmount client"
+	umount_client $MOUNT || error "Unable to unmount client"
 	stop_ost2 || error "Unable to stop OST2"
 	stop_mds || error "Unable to stop MDS"
+	#writeconf to remove all ost2 traces for subsequent tests
+	writeconf
 }
 run_test 50d "lazystatfs client/server conn race =========================="
 
@@ -2054,6 +2623,7 @@ test_50f() {
 	umount_client $MOUNT || error "Unable to unmount client"
 	stop_ost || error "Unable to stop OST1"
 	stop_mds || error "Unable to stop MDS"
+	#writeconf to remove all ost2 traces for subsequent tests
 	writeconf
 }
 run_test 50f "normal statfs one server in down =========================="
@@ -2062,6 +2632,8 @@ test_50g() {
 	[ "$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"
 
@@ -2079,6 +2651,7 @@ 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====================="
@@ -2101,6 +2674,8 @@ test_51() {
 	wait $pid
 	stop_ost2 || return 3
 	cleanup
+	#writeconf to remove all ost2 traces for subsequent tests
+	writeconf
 }
 run_test 51 "Verify that mdt_reint handles RMF_MDT_MD correctly when an OST is added"
 
@@ -2153,6 +2728,11 @@ diff_files_xattrs()
 }
 
 test_52() {
+	if [ $(facet_fstype $SINGLEMDS) != ldiskfs ]; then
+		skip "Only applicable to ldiskfs-based MDTs"
+		return
+	fi
+
 	start_mds
 	[ $? -eq 0 ] || { error "Unable to start MDS"; return 1; }
 	start_ost
@@ -2161,19 +2741,22 @@ test_52() {
 	[ $? -eq 0 ] || { error "Unable to mount client"; return 3; }
 
 	local nrfiles=8
-	local ost1mnt=${MOUNT%/*}/ost1
+	local ost1mnt=$(facet_mntpt ost1)
 	local ost1node=$(facet_active_host ost1)
 	local ost1tmp=$TMP/conf52
+	local loop
 
 	mkdir -p $DIR/$tdir
 	[ $? -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
 
-	$LFS setstripe $DIR/$tdir -c -1 -s 1M
+	$LFS setstripe -c -1 -S 1M $DIR/$tdir
 	[ $? -eq 0 ] || { error "lfs setstripe failed"; return 7; }
 
 	for (( i=0; i < nrfiles; i++ )); do
@@ -2195,7 +2778,13 @@ test_52() {
 	[ $? -eq 0 ] || { error "Unable to stop ost1"; return 11; }
 
 	echo mount ost1 as ldiskfs
-	do_node $ost1node mount -t $FSTYPE $ost1_dev $ost1mnt $OST_MOUNT_OPTS
+	do_node $ost1node mkdir -p $ost1mnt
+	[ $? -eq 0 ] || { error "Unable to create $ost1mnt"; return 23; }
+	if ! do_node $ost1node test -b $ost1_dev; then
+		loop="-o loop"
+	fi
+	do_node $ost1node mount -t $(facet_fstype ost1) $loop $ost1_dev \
+		$ost1mnt
 	[ $? -eq 0 ] || { error "Unable to mount ost1 as ldiskfs"; return 12; }
 
 	# backup objects
@@ -2217,7 +2806,7 @@ test_52() {
 	diff_files_xattrs $ost1node $ost1tmp/objects $ost1tmp/object_xattrs $objects
 	[ $? -eq 0 ] || { error "Unable to diff objects"; return 16; }
 
-	do_node $ost1node "umount $ost1_dev"
+	do_node $ost1node "umount $ost1mnt"
 	[ $? -eq 0 ] || { error "Unable to umount ost1 as ldiskfs"; return 17; }
 
 	start_ost
@@ -2246,6 +2835,7 @@ thread_sanity() {
         local facet=$2
         local parampat=$3
         local opts=$4
+	local basethr=$5
         local tmin
         local tmin2
         local tmax
@@ -2253,6 +2843,8 @@ thread_sanity() {
         local tstarted
         local paramp
         local msg="Insane $modname thread counts"
+	local ncpts=$(check_cpt_number $facet)
+	local nthrs
         shift 4
 
         setup
@@ -2273,17 +2865,27 @@ thread_sanity() {
         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 $?
+        lassert 24 "$msg" '(($tstarted >= $tmin && $tstarted <= $tmax ))' || return $?
+	nthrs=$(expr $tmax - $tmin)
+	if [ $nthrs -lt $ncpts ]; then
+		nthrs=0
+	else
+		nthrs=$ncpts
+	fi
 
-        # 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 $?
+	[ $tmin -eq $tmax -a $tmin -eq $tstarted ] &&
+		skip_env "module parameter forced $facet thread count" &&
+		tmin=3 && tmax=$((3 * tmax))
+
+        # Check that we can change min/max
+	do_facet $facet "lctl set_param ${paramp}.threads_min=$((tmin + nthrs))"
+	do_facet $facet "lctl set_param ${paramp}.threads_max=$((tmax - nthrs))"
+	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 + $nthrs) && $tmax2 == ($tmax - $nthrs)))' || return $?
 
         # Check that we can set min/max to the same value
-        do_facet $facet "lctl set_param ${paramp}.threads_min=$tmin"
+        tmin=$(do_facet $facet "lctl get_param -n ${paramp}.threads_min" || echo 0)
         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)
@@ -2293,14 +2895,15 @@ thread_sanity() {
         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 $?
+        lassert 27 "$msg" '(($tmin2 <= $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
+	local newvalue="${opts}=$(expr $basethr \* $ncpts)"
+	setmodopts -a $modname "$newvalue" oldvalue
 
         load_modules
         setup
@@ -2316,56 +2919,341 @@ thread_sanity() {
         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'
+	thread_sanity OST ost1 'ost.*.ost' 'oss_num_threads' '16'
 }
 run_test 53a "check OSS thread count params"
 
 test_53b() {
-        thread_sanity MDT $SINGLEMDS 'mdt.*.*.' 'mdt_num_threads=64'
+	thread_sanity MDT $SINGLEMDS 'mdt.*.*.' 'mdt_num_threads' '16'
 }
 run_test 53b "check MDT thread count params"
 
-if ! combined_mgs_mds ; then
-	stop mgs
-fi
-
-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)
+	if [ $(facet_fstype $SINGLEMDS) != ldiskfs ]; then
+		skip "Only applicable to ldiskfs-based MDTs"
+		return
+	fi
+
+    do_rpc_nodes $(facet_host ost1) run_llverdev $(ostdevname 1) -p
     [ $? -eq 0 ] || error "llverdev failed!"
     reformat_and_config
 }
-run_test 54a "llverdev"
+run_test 54a "test llverdev and partial verify of device"
 
 test_54b() {
+	if [ $(facet_fstype $SINGLEMDS) != ldiskfs ]; then
+		skip "Only applicable to ldiskfs-based MDTs"
+		return
+	fi
+
     setup
-    run_llverfs $MOUNT
+    run_llverfs $MOUNT -p
     [ $? -eq 0 ] || error "llverfs failed!"
     cleanup
 }
-run_test 54b "llverfs"
+run_test 54b "test llverfs and partial verify of filesystem"
+
+lov_objid_size()
+{
+	local max_ost_index=$1
+	echo -n $(((max_ost_index + 1) * 8))
+}
+
+test_55() {
+	if [ $(facet_fstype $SINGLEMDS) != ldiskfs ]; then
+		skip "Only applicable to ldiskfs-based MDTs"
+		return
+	fi
+
+	local mdsdev=$(mdsdevname 1)
+	local mdsvdev=$(mdsvdevname 1)
+
+	for i in 1023 2048
+	do
+		add mds1 $(mkfs_opts mds1) --reformat $mdsdev $mdsvdev ||
+			exit 10
+		add ost1 $(mkfs_opts ost1) --index=$i --reformat \
+			$(ostdevname 1) $(ostvdevname 1)
+		setup_noconfig
+		stopall
+		setup_noconfig
+		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: $LOV_OBJID_SIZE
+		fi
+		stopall
+	done
+
+	reformat
+}
+run_test 55 "check lov_objid size"
+
+test_56() {
+	local mds_journal_size_orig=$MDSJOURNALSIZE
+
+	MDSJOURNALSIZE=16
+	add mds1 $(mkfs_opts mds1) --reformat $(mdsdevname 1) $(mdsvdevname 1)
+	add ost1 $(mkfs_opts ost1) --index=1000 --reformat \
+		$(ostdevname 1) $(ostvdevname 1)
+	add ost2 $(mkfs_opts ost2) --index=10000 --reformat \
+		$(ostdevname 2) $(ostvdevname 2)
+
+	start_mgsmds
+	start_ost
+	start_ost2 || error "Unable to start second ost"
+	mount_client $MOUNT || error "Unable to mount client"
+	echo ok
+	$LFS osts
+	stopall
+	MDSJOURNALSIZE=$mds_journal_size_orig
+	reformat
+}
+run_test 56 "check big indexes"
+
+test_57a() { # bug 22656
+	local NID=$(do_facet ost1 "$LCTL get_param nis" | tail -1 | awk '{print $1}')
+	writeconf
+	do_facet ost1 "$TUNEFS --failnode=$NID `ostdevname 1`" || error "tunefs failed"
+	start_mgsmds
+	start_ost && error "OST registration from failnode should fail"
+	reformat
+}
+run_test 57a "initial registration from failnode should fail (should return errs)"
+
+test_57b() {
+	local NID=$(do_facet ost1 "$LCTL get_param nis" | tail -1 | awk '{print $1}')
+	writeconf
+	do_facet ost1 "$TUNEFS --servicenode=$NID `ostdevname 1`" || error "tunefs failed"
+	start_mgsmds
+	start_ost || error "OST registration from servicenode should not fail"
+	reformat
+}
+run_test 57b "initial registration from servicenode should not fail"
+
+count_osts() {
+        do_facet mgs $LCTL get_param mgs.MGS.live.$FSNAME | grep OST | wc -l
+}
+
+test_58() { # bug 22658
+	if [ $(facet_fstype mds) != ldiskfs ]; then
+		skip "Only applicable to ldiskfs-based MDTs"
+		return
+	fi
+	setup_noconfig
+	mkdir -p $DIR/$tdir
+	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 mds "lctl set_param fail_loc=0x601"
+	unlinkmany $DIR/$tdir/$tfile-%d 100
+	stop mds
+	local MNTDIR=$(facet_mntpt mds)
+	# remove all files from the OBJECTS dir
+	do_facet mds "mount -t ldiskfs $MDSDEV $MNTDIR"
+	do_facet mds "find $MNTDIR/OBJECTS -type f -delete"
+	do_facet mds "umount $MNTDIR"
+	# restart MDS with missing llog files
+	start_mds
+	do_facet mds "lctl set_param fail_loc=0"
+	reformat
+}
+run_test 58 "missing llog files must not prevent MDT from mounting"
+
+test_59() {
+	start_mgsmds >> /dev/null
+	local C1=$(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
+	#writeconf to remove all ost2 traces for subsequent tests
+	writeconf
+}
+run_test 59 "writeconf mount option"
+
+test_60() { # LU-471
+	if [ $(facet_fstype $SINGLEMDS) != ldiskfs ]; then
+		skip "Only applicable to ldiskfs-based MDTs"
+		return
+	fi
+
+	add mds1 $(mkfs_opts mds1) \
+		--mkfsoptions='\" -E stride=64 -O ^uninit_bg\"' --reformat \
+		$(mdsdevname 1) $(mdsvdevname 1) || exit 10
+
+	dump=$(do_facet $SINGLEMDS dumpe2fs $(mdsdevname 1))
+	rc=${PIPESTATUS[0]}
+	[ $rc -eq 0 ] || error "dumpe2fs $(mdsdevname 1) failed"
+
+	# MDT default has dirdata feature
+	echo $dump | grep dirdata > /dev/null || error "dirdata is not set"
+	# we disable uninit_bg feature
+	echo $dump | grep uninit_bg > /dev/null && error "uninit_bg is set"
+	# we set stride extended options
+	echo $dump | grep stride > /dev/null || error "stride is not set"
+	reformat
+}
+run_test 60 "check mkfs.lustre --mkfsoptions -E -O options setting"
+
+test_61() { # LU-80
+	local reformat=false
+
+	[ $(lustre_version_code $SINGLEMDS) -ge $(version_code 2.1.53) ] ||
+		{ skip "Need MDS version at least 2.1.53"; return 0; }
+
+	if [ $(facet_fstype $SINGLEMDS) == ldiskfs ] &&
+	   ! large_xattr_enabled; then
+		reformat=true
+		local mds_dev=$(mdsdevname ${SINGLEMDS//mds/})
+		LDISKFS_MKFS_OPTS+=" -O large_xattr"
+		add $SINGLEMDS $(mkfs_opts $SINGLEMDS) --reformat $mds_dev ||
+			error "reformatting $mds_dev failed"
+	fi
+
+    setup_noconfig || error "setting up the filesystem failed"
+    client_up || error "starting client failed"
+
+    local file=$DIR/$tfile
+    touch $file
+
+    local large_value="$(generate_string $(max_xattr_size))"
+    local small_value="bar"
+
+    local name="trusted.big"
+    log "save large xattr $name on $file"
+    setfattr -n $name -v $large_value $file ||
+        error "saving $name on $file failed"
+
+    local new_value=$(get_xattr_value $name $file)
+    [[ "$new_value" != "$large_value" ]] &&
+        error "$name different after saving"
+
+    log "shrink value of $name on $file"
+    setfattr -n $name -v $small_value $file ||
+        error "shrinking value of $name on $file failed"
+
+    new_value=$(get_xattr_value $name $file)
+    [[ "$new_value" != "$small_value" ]] &&
+        error "$name different after shrinking"
+
+    log "grow value of $name on $file"
+    setfattr -n $name -v $large_value $file ||
+        error "growing value of $name on $file failed"
+
+    new_value=$(get_xattr_value $name $file)
+    [[ "$new_value" != "$large_value" ]] &&
+        error "$name different after growing"
+
+    log "check value of $name on $file after remounting MDS"
+    fail $SINGLEMDS
+    new_value=$(get_xattr_value $name $file)
+    [[ "$new_value" != "$large_value" ]] &&
+        error "$name different after remounting MDS"
+
+    log "remove large xattr $name from $file"
+    setfattr -x $name $file || error "removing $name from $file failed"
+
+    rm -f $file
+    stopall
+	if $reformat; then
+		LDISKFS_MKFS_OPTS=${LDISKFS_MKFS_OPTS% -O large_xattr}
+		reformat
+	fi
+}
+run_test 61 "large xattr"
+
+test_62() {
+	if [ $(facet_fstype $SINGLEMDS) != ldiskfs ]; then
+		skip "Only applicable to ldiskfs-based MDTs"
+		return
+	fi
+
+	# MRP-118
+	local mdsdev=$(mdsdevname 1)
+	local ostdev=$(ostdevname 1)
+
+	[[ $(lustre_version_code $SINGLEMDS) -ge $(version_code 2.2.51) ]] ||
+		{ skip "Need MDS version at least 2.2.51"; return 0; }
+
+	echo "disable journal for mds"
+	do_facet mds tune2fs -O ^has_journal $mdsdev || error "tune2fs failed"
+	start_mds && error "MDT start should fail"
+	echo "disable journal for ost"
+	do_facet ost1 tune2fs -O ^has_journal $ostdev || error "tune2fs failed"
+	start_ost && error "OST start should fail"
+	cleanup || return $?
+	reformat_and_config
+}
+run_test 62 "start with disabled journal"
+
+test_63() {
+	if [ $(facet_fstype $SINGLEMDS) != ldiskfs ]; then
+		skip "Only applicable to ldiskfs-based MDTs"
+		return
+	fi
+
+	local inode_slab=$(do_facet $SINGLEMDS \
+		"awk '/ldiskfs_inode_cache/ { print \\\$5 }' /proc/slabinfo")
+	if [ -z "$inode_slab" ]; then
+		skip "ldiskfs module has not been loaded"
+		return
+	fi
+
+	echo "$inode_slab ldisk inodes per page"
+	[ "$inode_slab" -ge "3" ] ||
+		error "ldisk inode size is too big, $inode_slab objs per page"
+	return
+}
+run_test 63 "Verify each page can at least hold 3 ldisk inodes"
+
+test_64() {
+	start_mds
+	start_ost
+	start_ost2 || error "Unable to start second ost"
+	mount_client $MOUNT || error "Unable to mount client"
+	stop_ost2 || error "Unable to stop second ost"
+	echo "$LFS df"
+	$LFS df --lazy || error "lfs df failed"
+	cleanup || return $?
+}
+run_test 64 "check lfs df --lazy "
+
+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
+
+complete $SECONDS
+exit_status