X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Ftests%2Fconf-sanity.sh;h=546780d939e3d4a7bfa30193a68d3988896f03ba;hp=12deabb7bdb3a3af23eae8841dba40a583d2e1d0;hb=11317196203c26f8c9e4d2a8261859b1c7a76c9d;hpb=10cf5e4ec079fed1fa339240e00c027232f7971e

diff --git a/lustre/tests/conf-sanity.sh b/lustre/tests/conf-sanity.sh
index 12deabb..546780d 100644
--- a/lustre/tests/conf-sanity.sh
+++ b/lustre/tests/conf-sanity.sh
@@ -1,9 +1,9 @@
 #!/bin/bash
 
-# FIXME - there is no reason to use all of these different
-#   return codes, espcially when most of them are mapped to something
-#   else anyway.  The combination of test number and return code
-#   figure out what failed.
+# FIXME - there is no reason to use all of these different return codes,
+#   espcially when most of them are mapped to something else anyway.
+#   The tests should use error() to describe the failure more clearly,
+#   and reduce the need to look into the tests to see what failed.
 
 set -e
 
@@ -49,35 +49,34 @@ PTLDEBUG=${PTLDEBUG:--1}
 SAVE_PWD=$PWD
 LUSTRE=${LUSTRE:-`dirname $0`/..}
 RLUSTRE=${RLUSTRE:-$LUSTRE}
+LUSTRE_TESTS_API_DIR=${LUSTRE_TESTS_API_DIR:-${LUSTRE}/tests/clientapi}
 export MULTIOP=${MULTIOP:-multiop}
 
 . $LUSTRE/tests/test-framework.sh
 init_test_env $@
+. ${CONFIG:=$LUSTRE/tests/cfg/$NAME.sh}
 
 # use small MDS + OST size to speed formatting time
 # do not use too small MDSSIZE/OSTSIZE, which affect the default jouranl size
+# STORED_MDSSIZE is used in test_18
+STORED_MDSSIZE=$MDSSIZE
+STORED_OSTSIZE=$OSTSIZE
 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
 
 [ $(facet_fstype $SINGLEMDS) = "zfs" ] &&
-# bug number for skipped test:        LU-2778 LU-2059
-	ALWAYS_EXCEPT="$ALWAYS_EXCEPT 57b     50h"
+# bug number for skipped test:        LU-2778 LU-2059 LU-4444
+	ALWAYS_EXCEPT="$ALWAYS_EXCEPT 57b     50h     69"
 
 init_logging
 
@@ -85,7 +84,7 @@ init_logging
 require_dsh_mds || exit 0
 require_dsh_ost || exit 0
 #
-[ "$SLOW" = "no" ] && EXCEPT_SLOW="30a 31 45"
+[ "$SLOW" = "no" ] && EXCEPT_SLOW="30a 31 45 69"
 
 
 assert_DIR
@@ -124,7 +123,7 @@ reformat() {
 
 start_mgs () {
 	echo "start mgs"
-	start mgs $MGSDEV $MGS_MOUNT_OPTS
+	start mgs $(mgsdevname) $MGS_MOUNT_OPTS
 }
 
 start_mdt() {
@@ -870,8 +869,8 @@ test_23a() {	# was test_23
 		"MOUNT_LUSTRE_PID $MOUNT_LUSTRE_PID still not killed in $WAIT secs"
 		ps -ef | grep mount
 	fi
-	stop_mds || error
-	stop_ost || error
+	stop_mds || error "stopping MDSes failed"
+	stop_ost || error "stopping OSSes failed"
 }
 run_test 23a "interrupt client during recovery mount delay"
 
@@ -895,7 +894,7 @@ MDSDEV1_2=$fs2mds_DEV
 OSTDEV1_2=$fs2ost_DEV
 OSTDEV2_2=$fs3ost_DEV
 
-cleanup_24a() {
+cleanup_fs2() {
 	trap 0
 	echo "umount $MOUNT2 ..."
 	umount $MOUNT2 || true
@@ -930,7 +929,7 @@ test_24a() {
 		--reformat $fs2ostdev $fs2ostvdev || exit 10
 
 	setup
-	start fs2mds $fs2mdsdev $MDS_MOUNT_OPTS && trap cleanup_24a EXIT INT
+	start fs2mds $fs2mdsdev $MDS_MOUNT_OPTS && trap cleanup_fs2 EXIT INT
 	start fs2ost $fs2ostdev $OST_MOUNT_OPTS
 	mkdir -p $MOUNT2
 	mount -t lustre $MGSNID:/${FSNAME2} $MOUNT2 || return 1
@@ -955,7 +954,7 @@ test_24a() {
 	stop_mds
 	MDS=$(do_facet $SINGLEMDS "lctl get_param -n devices" | awk '($3 ~ "mdt" && $4 ~ "MDT") { print $4 }' | head -1)
 	[ -z "$MDS" ] && error "No MDT" && return 8
-	cleanup_24a
+	cleanup_fs2
 	cleanup_nocli || return 6
 }
 run_test 24a "Multiple MDTs on a single node"
@@ -1063,6 +1062,78 @@ test_28() {
 }
 run_test 28 "permanent parameter setting"
 
+test_28a() { # LU-4221
+	[[ $(lustre_version_code ost1) -ge $(version_code 2.5.52) ]] ||
+		{ skip "Need OST version at least 2.5.52" && return 0; }
+	[ "$(facet_fstype ost1)" = "zfs" ] &&
+		skip "LU-4221: no such proc params for ZFS OSTs" && return
+
+	local name
+	local param
+	local cmd
+	local old
+	local new
+	local device="$FSNAME-OST0000"
+
+	setup
+
+	# In this test we will set three kinds of proc parameters with
+	# lctl conf_param:
+	# 1. the ones moved from the OFD to the OSD, and only their
+	#    symlinks kept in obdfilter
+	# 2. non-symlink ones in the OFD
+	# 3. non-symlink ones in the OSD
+
+	# Check 1.
+	# prepare a symlink parameter in the OFD
+	name="writethrough_cache_enable"
+	param="$device.ost.$name"
+	cmd="$LCTL get_param -n obdfilter.$device.$name"
+
+	# conf_param the symlink parameter in the OFD
+	old=$(do_facet ost1 $cmd)
+	new=$(((old + 1) % 2))
+	set_conf_param_and_check ost1 "$cmd" "$param" $new ||
+		error "lctl conf_param $device.ost.$param=$new failed"
+
+	# conf_param the target parameter in the OSD
+	param="$device.osd.$name"
+	cmd="$LCTL get_param -n osd-*.$device.$name"
+	set_conf_param_and_check ost1 "$cmd" "$param" $old ||
+		error "lctl conf_param $device.osd.$param=$old failed"
+
+	# Check 2.
+	# prepare a non-symlink parameter in the OFD
+	name="client_cache_seconds"
+	param="$device.ost.$name"
+	cmd="$LCTL get_param -n obdfilter.$device.$name"
+
+	# conf_param the parameter in the OFD
+	old=$(do_facet ost1 $cmd)
+	new=$((old * 2))
+	set_conf_param_and_check ost1 "$cmd" "$param" $new ||
+		error "lctl conf_param $device.ost.$param=$new failed"
+	set_conf_param_and_check ost1 "$cmd" "$param" $old ||
+		error "lctl conf_param $device.ost.$param=$old failed"
+
+	# Check 3.
+	# prepare a non-symlink parameter in the OSD
+	name="lma_self_repair"
+	param="$device.osd.$name"
+	cmd="$LCTL get_param -n osd-*.$device.$name"
+
+	# conf_param the parameter in the OSD
+	old=$(do_facet ost1 $cmd)
+	new=$(((old + 1) % 2))
+	set_conf_param_and_check ost1 "$cmd" "$param" $new ||
+		error "lctl conf_param $device.osd.$param=$new failed"
+	set_conf_param_and_check ost1 "$cmd" "$param" $old ||
+		error "lctl conf_param $device.osd.$param=$old failed"
+
+	cleanup
+}
+run_test 28a "set symlink parameters permanently with conf_param"
+
 test_29() {
 	[ "$OSTCOUNT" -lt "2" ] && skip_env "$OSTCOUNT < 2, skipping" && return
         setup > /dev/null 2>&1
@@ -1244,7 +1315,9 @@ test_32newtarball() {
 		count=$(($T32_BLIMIT / 1024 / 2))
 	chown $T32_QID.$T32_QID $tmp/src/t32_qf_old
 
-	formatall
+	# format ost with comma-separated NIDs to verify LU-4460
+	local failnid="$(h2$NETTYPE 1.2.3.4),$(h2$NETTYPE 4.3.2.1)"
+	MGSNID="$MGSNID,$MGSNID" OSTOPT="--failnode=$failnid" formatall
 
 	setupall
 
@@ -1324,11 +1397,6 @@ t32_check() {
 		exit 0
 	fi
 
-	if [ -n "$($LCTL list_nids | grep -v '\(tcp\|lo\)[[:digit:]]*$')" ]; then
-		skip "LU-2200: Test cannot run over Infiniband"
-		exit 0
-	fi
-
 	local IMGTYPE=$(facet_fstype $SINGLEMDS)
 
 	tarballs=$($r find $RLUSTRE/tests -maxdepth 1 -name \'disk*-$IMGTYPE.tar.bz2\')
@@ -1341,6 +1409,7 @@ t32_check() {
 
 t32_test_cleanup() {
 	local tmp=$TMP/t32
+	local fstype=$(facet_fstype $SINGLEMDS)
 	local rc=$?
 
 	if $shall_cleanup_lustre; then
@@ -1358,6 +1427,10 @@ t32_test_cleanup() {
 
 	$r rm -rf $tmp
 	rm -rf $tmp
+	if [ $fstype == "zfs" ]; then
+		$r $ZPOOL destroy t32fs-mdt1 || rc=$?
+		$r $ZPOOL destroy t32fs-ost1 || rc=$?
+	fi
 	return $rc
 }
 
@@ -1397,16 +1470,20 @@ t32_reload_modules() {
 t32_wait_til_devices_gone() {
 	local node=$1
 	local devices
+	local loops
 	local i=0
 
 	echo wait for devices to go
 	while ((i < 20)); do
 		devices=$(do_rpc_nodes $node $LCTL device_list | wc -l)
-		((devices == 0)) && return 0
+		loops=$(do_rpc_nodes $node losetup -a | grep -c t32)
+		((devices == 0 && loops == 0)) && return 0
 		sleep 5
 		i=$((i + 1))
 	done
-	echo "waiting for devices on $node: Given up"
+	echo "waiting for dev on $node: dev $devices loop $loops given up"
+	do_rpc_nodes $node "losetup -a"
+	do_rpc_nodes $node "$LCTL devices_list"
 	return 1
 }
 
@@ -1494,6 +1571,7 @@ t32_test() {
 	local tarball=$1
 	local writeconf=$2
 	local dne_upgrade=${dne_upgrade:-"no"}
+	local ff_convert=${ff_convert:-"no"}
 	local shall_cleanup_mdt=false
 	local shall_cleanup_mdt1=false
 	local shall_cleanup_ost=false
@@ -1515,6 +1593,8 @@ t32_test() {
 	local nrpcs
 	local list
 	local fstype=$(facet_fstype $SINGLEMDS)
+	local mdt_dev=$tmp/mdt
+	local ost_dev=$tmp/ost
 
 	trap 'trap - RETURN; t32_test_cleanup' RETURN
 
@@ -1534,27 +1614,68 @@ t32_test() {
 	echo "  Kernel: $img_kernel"
 	echo "    Arch: $img_arch"
 
+	local version=$(version_code $img_commit)
+	[[ $version -gt $(version_code 2.4.0) ]] && ff_convert="no"
+
+	if [ $fstype == "zfs" ]; then
+		# import pool first
+		$r $ZPOOL import -f -d $tmp t32fs-mdt1
+		$r $ZPOOL import -f -d $tmp t32fs-ost1
+		mdt_dev=t32fs-mdt1/mdt1
+		ost_dev=t32fs-ost1/ost1
+		wait_update_facet $SINGLEMDS "$ZPOOL list |
+			awk '/^t32fs-mdt1/ { print \\\$1 }'" "t32fs-mdt1" || {
+				error_noexit "import zfs pool failed"
+				return 1
+			}
+	fi
+
 	$r $LCTL set_param debug="$PTLDEBUG"
 
-	$r $TUNEFS --dryrun $tmp/mdt || {
+	$r $TUNEFS --dryrun $mdt_dev || {
+		$r losetup -a
 		error_noexit "tunefs.lustre before mounting the MDT"
 		return 1
 	}
 	if [ "$writeconf" ]; then
-		mopts=loop,writeconf
+		mopts=writeconf
 		if [ $fstype == "ldiskfs" ]; then
-			$r $TUNEFS --quota $tmp/mdt || {
+			mopts="loop,$mopts"
+			$r $TUNEFS --quota $mdt_dev || {
+				$r losetup -a
 				error_noexit "Enable mdt quota feature"
 				return 1
 			}
 		fi
 	else
-		mopts=loop,exclude=$fsname-OST0000
+		if [ -n "$($LCTL list_nids | grep -v '\(tcp\|lo\)[[:digit:]]*$')" ]; then
+			[[ $(lustre_version_code mgs) -ge $(version_code 2.3.59) ]] ||
+			{ skip "LU-2200: Cannot run over Inifiniband w/o lctl replace_nids "
+				"(Need MGS version at least 2.3.59)"; return 0; }
+
+			local osthost=$(facet_active_host ost1)
+			local ostnid=$(do_node $osthost $LCTL list_nids | head -1)
+
+			mopts=nosvc
+			if [ $fstype == "ldiskfs" ]; then
+				mopts="loop,$mopts"
+			fi
+			$r mount -t lustre -o $mopts $mdt_dev $tmp/mnt/mdt
+			$r lctl replace_nids $fsname-OST0000 $ostnid
+			$r lctl replace_nids $fsname-MDT0000 $nid
+			$r umount -d $tmp/mnt/mdt
+		fi
+
+		mopts=exclude=$fsname-OST0000
+		if [ $fstype == "ldiskfs" ]; then
+			mopts="loop,$mopts"
+		fi
 	fi
 
 	t32_wait_til_devices_gone $node
 
-	$r mount -t lustre -o $mopts $tmp/mdt $tmp/mnt/mdt || {
+	$r mount -t lustre -o $mopts $mdt_dev $tmp/mnt/mdt || {
+		$r losetup -a
 		error_noexit "Mounting the MDT"
 		return 1
 	}
@@ -1598,22 +1719,27 @@ t32_test() {
 		return 1
 	fi
 
-	$r $TUNEFS --dryrun $tmp/ost || {
+	$r $TUNEFS --dryrun $ost_dev || {
 		error_noexit "tunefs.lustre before mounting the OST"
 		return 1
 	}
 	if [ "$writeconf" ]; then
-		mopts=loop,mgsnode=$nid,$writeconf
+		mopts=mgsnode=$nid,$writeconf
 		if [ $fstype == "ldiskfs" ]; then
-			$r $TUNEFS --quota $tmp/ost || {
+			mopts="loop,$mopts"
+			$r $TUNEFS --quota $ost_dev || {
+				$r losetup -a
 				error_noexit "Enable ost quota feature"
 				return 1
 			}
 		fi
 	else
-		mopts=loop,mgsnode=$nid
+		mopts=mgsnode=$nid
+		if [ $fstype == "ldiskfs" ]; then
+			mopts="loop,$mopts"
+		fi
 	fi
-	$r mount -t lustre -o $mopts $tmp/ost $tmp/mnt/ost || {
+	$r mount -t lustre -o $mopts $ost_dev $tmp/mnt/ost || {
 		error_noexit "Mounting the OST"
 		return 1
 	}
@@ -1653,6 +1779,30 @@ t32_test() {
 		return 1
 	}
 
+	if [ "$ff_convert" != "no" -a $(facet_fstype ost1) == "ldiskfs" ]; then
+		$r $LCTL lfsck_start -M $fsname-OST0000 || {
+			error_noexit "Start OI scrub on OST0"
+			return 1
+		}
+
+		# The oi_scrub should be on ost1, but for test_32(),
+		# all on the SINGLEMDS.
+		wait_update_facet $SINGLEMDS "$LCTL get_param -n \
+			osd-ldiskfs.$fsname-OST0000.oi_scrub |
+			awk '/^status/ { print \\\$2 }'" "completed" 30 || {
+			error_noexit "Failed to get the expected 'completed'"
+			return 1
+		}
+
+		local UPDATED=$($r $LCTL get_param -n \
+				osd-ldiskfs.$fsname-OST0000.oi_scrub |
+				awk '/^updated/ { print $2 }')
+		[ $UPDATED -ge 1 ] || {
+			error_noexit "Only $UPDATED objects have been converted"
+			return 1
+		}
+	fi
+
 	if [ "$dne_upgrade" != "no" ]; then
 		$r $LCTL conf_param \
 				$fsname-MDT0001.mdc.max_rpcs_in_flight=9 || {
@@ -1759,8 +1909,8 @@ t32_test() {
 			# on an architecture with different number of bits per
 			# "long".
 			#
-			if [ $(t32_bits_per_long $(uname -m)) !=						\
-				 $(t32_bits_per_long $img_arch) ]; then
+			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
@@ -1829,12 +1979,17 @@ t32_test() {
 		}
 
 		# mount a second time to make sure we didnt leave upgrade flag on
-		$r $TUNEFS --dryrun $tmp/mdt || {
+		$r $TUNEFS --dryrun $mdt_dev || {
+			$r losetup -a
 			error_noexit "tunefs.lustre before remounting the MDT"
 			return 1
 		}
-		$r mount -t lustre -o loop,exclude=$fsname-OST0000 $tmp/mdt			\
-				 $tmp/mnt/mdt || {
+
+		mopts=exclude=$fsname-OST0000
+		if [ $fstype == "ldiskfs" ]; then
+			mopts="loop,$mopts"
+		fi
+		$r mount -t lustre -o $mopts $mdt_dev $tmp/mnt/mdt || {
 			error_noexit "Remounting the MDT"
 			return 1
 		}
@@ -1849,7 +2004,7 @@ test_32a() {
 
 	t32_check
 	for tarball in $tarballs; do
-		t32_test $tarball || rc=$?
+		t32_test $tarball || let "rc += $?"
 	done
 	return $rc
 }
@@ -1862,7 +2017,7 @@ test_32b() {
 
 	t32_check
 	for tarball in $tarballs; do
-		t32_test $tarball writeconf || rc=$?
+		t32_test $tarball writeconf || let "rc += $?"
 	done
 	return $rc
 }
@@ -1882,6 +2037,19 @@ test_32c() {
 }
 run_test 32c "dne upgrade test"
 
+test_32d() {
+	local tarballs
+	local tarball
+	local rc=0
+
+	t32_check
+	for tarball in $tarballs; do
+		ff_convert=yes t32_test $tarball || rc=$?
+	done
+	return $rc
+}
+run_test 32d "convert ff test"
+
 test_33a() { # bug 12333, was test_33
         local rc=0
         local FSNAME2=test-123
@@ -1912,7 +2080,7 @@ test_33a() { # bug 12333, was test_33
 		--fsname=${FSNAME2} --index=8191 --reformat $fs2ostdev \
 		$fs2ostvdev || exit 10
 
-        start fs2mds $fs2mdsdev $MDS_MOUNT_OPTS && trap cleanup_24a EXIT INT
+        start fs2mds $fs2mdsdev $MDS_MOUNT_OPTS && trap cleanup_fs2 EXIT INT
         start fs2ost $fs2ostdev $OST_MOUNT_OPTS
         do_facet $SINGLEMDS "$LCTL conf_param $FSNAME2.sys.timeout=200" || rc=1
         mkdir -p $MOUNT2
@@ -1998,9 +2166,10 @@ 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 $4 }' | head -1)
-	do_facet mgs "$LCTL conf_param ${device}.failover.node=" \
-		"$(h2$NETTYPE $FAKENID)" || return 4
+	local device=$(do_facet $SINGLEMDS "lctl get_param -n devices" |
+		awk '($3 ~ "mdt" && $4 ~ "MDT") { print $4 }' | head -1)
+	do_facet mgs "$LCTL conf_param \
+		${device}.failover.node=$(h2$NETTYPE $FAKENID)" || return 4
 
 	log "Wait for RECONNECT_INTERVAL seconds (10s)"
 	sleep 10
@@ -2052,10 +2221,10 @@ test_35b() { # bug 18674
 
 	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 $4 }' | head -1)
-	do_facet mgs "$LCTL conf_param ${device}.failover.node=" \
-		"$(h2$NETTYPE $FAKENID)" || return 1
+	local device=$(do_facet $SINGLEMDS "$LCTL get_param -n devices" |
+		awk '($3 ~ "mdt" && $4 ~ "MDT") { print $4 }' | head -1)
+	do_facet mgs "$LCTL conf_param \
+		${device}.failover.node=$(h2$NETTYPE $FAKENID)" || return 1
 
 	local at_max_saved=0
 	# adaptive timeouts may prevent seeing the issue
@@ -2676,7 +2845,7 @@ test_48() { # bug 17636
 run_test 48 "too many acls on file"
 
 # check PARAM_SYS_LDLM_TIMEOUT option of MKFS.LUSTRE
-test_49() { # bug 17710
+test_49a() { # bug 17710
 	local timeout_orig=$TIMEOUT
 	local ldlm_timeout_orig=$LDLM_TIMEOUT
 	local LOCAL_TIMEOUT=20
@@ -2686,49 +2855,60 @@ test_49() { # bug 17710
 
 	reformat
 	setup_noconfig
-	check_mount || return 1
+	check_mount || error "client mount failed"
 
 	echo "check ldlm_timout..."
-	LDLM_MDS="`do_facet $SINGLEMDS lctl get_param -n ldlm_timeout`"
-	LDLM_OST1="`do_facet ost1 lctl get_param -n ldlm_timeout`"
-	LDLM_CLIENT="`do_facet client lctl get_param -n ldlm_timeout`"
+	local LDLM_MDS="$(do_facet $SINGLEMDS lctl get_param -n ldlm_timeout)"
+	local LDLM_OST1="$(do_facet ost1 lctl get_param -n ldlm_timeout)"
+	local LDLM_CLIENT="$(do_facet client lctl get_param -n ldlm_timeout)"
 
-	if [ $LDLM_MDS -ne $LDLM_OST1 ] || [ $LDLM_MDS -ne $LDLM_CLIENT ]; then
+	if [ $LDLM_MDS -ne $LDLM_OST1 -o $LDLM_MDS -ne $LDLM_CLIENT ]; then
 		error "Different LDLM_TIMEOUT:$LDLM_MDS $LDLM_OST1 $LDLM_CLIENT"
 	fi
 
 	if [ $LDLM_MDS -ne $((LOCAL_TIMEOUT / 3)) ]; then
-		error "LDLM_TIMEOUT($LDLM_MDS) is not correct"
+		error "LDLM_TIMEOUT($LDLM_MDS) is not $((LOCAL_TIMEOUT / 3))"
 	fi
 
 	umount_client $MOUNT
-	stop_ost || return 2
-	stop_mds || return 3
+	stop_ost || error "problem stopping OSS"
+	stop_mds || error "problem stopping MDS"
+
+	LDLM_TIMEOUT=$ldlm_timeout_orig
+	TIMEOUT=$timeout_orig
+}
+run_test 49a "check PARAM_SYS_LDLM_TIMEOUT option of mkfs.lustre"
+
+test_49b() { # bug 17710
+	local timeout_orig=$TIMEOUT
+	local ldlm_timeout_orig=$LDLM_TIMEOUT
+	local LOCAL_TIMEOUT=20
 
 	LDLM_TIMEOUT=$((LOCAL_TIMEOUT - 1))
+	TIMEOUT=$LOCAL_TIMEOUT
 
 	reformat
 	setup_noconfig
-	check_mount || return 7
+	check_mount || error "client mount failed"
 
-	LDLM_MDS="`do_facet $SINGLEMDS lctl get_param -n ldlm_timeout`"
-	LDLM_OST1="`do_facet ost1 lctl get_param -n ldlm_timeout`"
-	LDLM_CLIENT="`do_facet client lctl get_param -n ldlm_timeout`"
+	local LDLM_MDS="$(do_facet $SINGLEMDS lctl get_param -n ldlm_timeout)"
+	local LDLM_OST1="$(do_facet ost1 lctl get_param -n ldlm_timeout)"
+	local LDLM_CLIENT="$(do_facet client lctl get_param -n ldlm_timeout)"
 
-	if [ $LDLM_MDS -ne $LDLM_OST1 ] || [ $LDLM_MDS -ne $LDLM_CLIENT ]; then
+	if [ $LDLM_MDS -ne $LDLM_OST1 -o $LDLM_MDS -ne $LDLM_CLIENT ]; then
 		error "Different LDLM_TIMEOUT:$LDLM_MDS $LDLM_OST1 $LDLM_CLIENT"
 	fi
 
 	if [ $LDLM_MDS -ne $((LOCAL_TIMEOUT - 1)) ]; then
-		error "LDLM_TIMEOUT($LDLM_MDS) is not correct"
+		error "LDLM_TIMEOUT($LDLM_MDS) is not $((LOCAL_TIMEOUT - 1))"
 	fi
 
-	cleanup || return $?
+	cleanup || error "cleanup failed"
 
 	LDLM_TIMEOUT=$ldlm_timeout_orig
 	TIMEOUT=$timeout_orig
 }
-run_test 49 "check PARAM_SYS_LDLM_TIMEOUT option of MKFS.LUSTRE"
+run_test 49b "check PARAM_SYS_LDLM_TIMEOUT option of mkfs.lustre"
 
 lazystatfs() {
         # Test both statfs and lfs df and fail if either one fails
@@ -3113,7 +3293,13 @@ test_52() {
 	do_node $ost1node 'mv '$objects' '${ost1mnt}'/lost+found'
 	[ $? -eq 0 ] || { error "Unable to move objects"; return 14; }
 
+	# recover objects dry-run
+	echo "ll_recover_lost_found_objs dry_run"
+	do_node $ost1node "ll_recover_lost_found_objs -n -d $ost1mnt/O"
+	[ $? -eq 0 ] || { error "ll_recover_lost_found_objs failed"; return 15; }
+
 	# recover objects
+	echo "ll_recover_lost_found_objs fix run"
 	do_node $ost1node "ll_recover_lost_found_objs -d $ost1mnt/lost+found"
 	[ $? -eq 0 ] || { error "ll_recover_lost_found_objs failed"; return 15; }
 
@@ -3230,7 +3416,7 @@ thread_sanity() {
         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 $?
+        lassert 28 "$msg" '(($tstarted >= $tmin && $tstarted <= $tmax ))' || return $?
         cleanup
 
         load_modules
@@ -3352,6 +3538,7 @@ 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_or_reformat
+	[ $(facet_fstype ost1) == zfs ] && import_zpool ost1
 	do_facet ost1 "$TUNEFS --failnode=$NID `ostdevname 1`" || error "tunefs failed"
 	start_mgsmds
 	start_ost && error "OST registration from failnode should fail"
@@ -3362,6 +3549,7 @@ run_test 57a "initial registration from failnode should fail (should return errs
 test_57b() {
 	local NID=$(do_facet ost1 "$LCTL get_param nis" | tail -1 | awk '{print $1}')
 	writeconf_or_reformat
+	[ $(facet_fstype ost1) == zfs ] && import_zpool ost1
 	do_facet ost1 "$TUNEFS --servicenode=$NID `ostdevname 1`" || error "tunefs failed"
 	start_mgsmds
 	start_ost || error "OST registration from servicenode should not fail"
@@ -3397,7 +3585,7 @@ test_58() { # bug 22658
 	# remove all files from the OBJECTS dir
 	do_facet $SINGLEMDS "mount -t ldiskfs $opts $devname $MNTDIR"
 	do_facet $SINGLEMDS "find $MNTDIR/O/1/d* -type f -delete"
-	do_facet $SINGLEMDS "umount $MNTDIR"
+	do_facet $SINGLEMDS "umount -d $MNTDIR"
 	# restart MDS with missing llog files
 	start_mds
 	do_facet mds "lctl set_param fail_loc=0"
@@ -3623,7 +3811,7 @@ test_65() { # LU-2237
 	do_facet $SINGLEMDS \
 		"mount -t $(facet_fstype $SINGLEMDS) $opts $devname $brpt"
 	do_facet $SINGLEMDS "rm -f ${brpt}/last_rcvd"
-	do_facet $SINGLEMDS "umount $brpt"
+	do_facet $SINGLEMDS "umount -d $brpt"
 
 	# restart MDS, the "last_rcvd" file should be recreated.
 	start_mds || error "fail to restart the MDS"
@@ -3704,10 +3892,164 @@ test_66() {
 }
 run_test 66 "replace nids"
 
+test_67() { #LU-2950
+	local legacy="$TMP/legacy_lnet_config"
+	local new="$TMP/new_routes_test"
+	local out="$TMP/config_out_file"
+	local verify="$TMP/conv_verify"
+	local verify_conf="$TMP/conf_verify"
+
+	# Create the legacy file that will be run through the
+	# lustre_routes_conversion script
+	cat <<- LEGACY_LNET_CONFIG > $legacy
+		tcp1 23 192.168.213.1@tcp:1; tcp5 34 193.30.4.3@tcp:4;
+		tcp2 54 10.1.3.2@tcp;
+		tcp3 10.3.4.3@tcp:3;
+		tcp4 10.3.3.4@tcp;
+	LEGACY_LNET_CONFIG
+
+	# Create the verification file to verify the output of
+	# lustre_routes_conversion script against.
+	cat <<- VERIFY_LNET_CONFIG > $verify
+		tcp1: { gateway: 192.168.213.1@tcp, hop: 23, priority: 1 }
+		tcp5: { gateway: 193.30.4.3@tcp, hop: 34, priority: 4 }
+		tcp2: { gateway: 10.1.3.2@tcp, hop: 54 }
+		tcp3: { gateway: 10.3.4.3@tcp, priority: 3 }
+		tcp4: { gateway: 10.3.3.4@tcp }
+	VERIFY_LNET_CONFIG
+
+	# Create the verification file to verify the output of
+	# lustre_routes_config script against
+	cat <<- VERIFY_LNET_CONFIG > $verify_conf
+		lctl --net tcp1 add_route 192.168.213.1@tcp 23 1
+		lctl --net tcp5 add_route 193.30.4.3@tcp 34 4
+		lctl --net tcp2 add_route 10.1.3.2@tcp 54 4
+		lctl --net tcp3 add_route 10.3.4.3@tcp 1 3
+		lctl --net tcp4 add_route 10.3.3.4@tcp 1 3
+	VERIFY_LNET_CONFIG
+
+	lustre_routes_conversion $legacy $new > /dev/null
+	if [ -f $new ]; then
+		# verify the conversion output
+		cmp -s $new $verify > /dev/null
+		if [ $? -eq 1 ]; then
+			error "routes conversion failed"
+		fi
+
+		lustre_routes_config --dry-run --verbose $new > $out
+		# check that the script succeeded
+		cmp -s $out $verify_conf > /dev/null
+		if [ $? -eq 1 ]; then
+			error "routes config failed"
+		fi
+	else
+		error "routes conversion test failed"
+	fi
+	# remove generated files
+	rm -f $new $legacy $verify $verify_conf $out
+}
+run_test 67 "test routes conversion and configuration"
+
+test_68() {
+	local fid
+	local seq
+	local START
+	local END
+
+	[ $(lustre_version_code $SINGLEMDS) -ge $(version_code 2.4.53) ] ||
+		{ skip "Need MDS version at least 2.4.53"; return 0; }
+
+	umount_client $MOUNT || error "umount client failed"
+
+	start_mdt 1 || error "MDT start failed"
+	start_ost
+
+	# START-END - the sequences we'll be reserving
+	START=$(do_facet $SINGLEMDS \
+		lctl get_param -n seq.ctl*.space | awk -F'[[ ]' '{print $2}')
+	END=$((START + (1 << 30)))
+	do_facet $SINGLEMDS \
+		lctl set_param seq.ctl*.fldb="[$START-$END\):0:mdt"
+
+	# reset the sequences MDT0000 has already assigned
+	do_facet $SINGLEMDS \
+		lctl set_param seq.srv*MDT0000.space=clear
+
+	# remount to let the client allocate new sequence
+	mount_client $MOUNT || error "mount client failed"
+
+	touch $DIR/$tfile
+	do_facet $SINGLEMDS \
+		lctl get_param seq.srv*MDT0000.space
+	$LFS path2fid $DIR/$tfile
+
+	local old_ifs="$IFS"
+	IFS='[:]'
+	fid=($($LFS path2fid $DIR/$tfile))
+	IFS="$old_ifs"
+	let seq=${fid[1]}
+
+	if [[ $seq < $END ]]; then
+		error "used reserved sequence $seq?"
+	fi
+	cleanup || return $?
+}
+run_test 68 "be able to reserve specific sequences in FLDB"
+
+test_69() {
+	local server_version=$(lustre_version_code $SINGLEMDS)
+
+	[[ $server_version -lt $(version_code 2.4.2) ]] &&
+		skip "Need MDS version at least 2.4.2" && return
+
+	[[ $server_version -ge $(version_code 2.4.50) ]] &&
+	[[ $server_version -lt $(version_code 2.5.0) ]] &&
+		skip "Need MDS version at least 2.5.0" && return
+
+	setup
+
+	# use OST0000 since it probably has the most creations
+	local OSTNAME=$(ostname_from_index 0)
+	local mdtosc_proc1=$(get_mdtosc_proc_path mds1 $OSTNAME)
+	local last_id=$(do_facet mds1 lctl get_param -n \
+			osc.$mdtosc_proc1.prealloc_last_id)
+
+	# Want to have OST LAST_ID over 1.5 * OST_MAX_PRECREATE to
+	# verify that the LAST_ID recovery is working properly.  If
+	# not, then the OST will refuse to allow the MDS connect
+	# because the LAST_ID value is too different from the MDS
+	#define OST_MAX_PRECREATE=20000
+	local num_create=$((20000 * 5))
+
+	mkdir -p $DIR/$tdir
+	$LFS setstripe -i 0 $DIR/$tdir
+	createmany -o $DIR/$tdir/$tfile- $num_create ||
+		error "createmany: failed to create $num_create files: $?"
+	# delete all of the files with objects on OST0 so the
+	# filesystem is not inconsistent later on
+	$LFS find $MOUNT --ost 0 | xargs rm
+
+	stop_ost || error "OST0 stop failure"
+	add ost1 $(mkfs_opts ost1 $(ostdevname 1)) --reformat --replace \
+		$(ostdevname 1) $(ostvdevname 1) ||
+		error "reformat and replace $ostdev failed"
+	start_ost || error "OST0 restart failure"
+	wait_osc_import_state mds ost FULL
+
+	touch $DIR/$tdir/$tfile-last || error "create file after reformat"
+	local idx=$($LFS getstripe -i $DIR/$tdir/$tfile-last)
+	[ $idx -ne 0 ] && error "$DIR/$tdir/$tfile-last on $idx not 0" || true
+
+	cleanup
+}
+run_test 69 "replace an OST with the same index"
+
 test_70a() {
 	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return
 	local MDTIDX=1
 
+	cleanup
+
 	start_mdt 1 || error "MDT0 start fail"
 
 	start_ost || error "OST0 start fail"
@@ -3993,24 +4335,310 @@ run_test 72 "test fast symlink with extents flag enabled"
 
 test_73() { #LU-3006
 	load_modules
-	do_facet ost1 "$TUNEFS --failnode=1.2.3.4@tcp $(ostdevname 1)" ||
+	[ $(facet_fstype ost1) == zfs ] && import_zpool ost1
+	do_facet ost1 "$TUNEFS --failnode=1.2.3.4@$NETTYPE $(ostdevname 1)" ||
 		error "1st tunefs failed"
 	start_mgsmds || error "start mds failed"
 	start_ost || error "start ost failed"
 	mount_client $MOUNT || error "mount client failed"
 	lctl get_param -n osc.*OST0000-osc-[^M]*.import | grep failover_nids |
-		grep 1.2.3.4@tcp || error "failover nids haven't changed"
+		grep 1.2.3.4@$NETTYPE || error "failover nids haven't changed"
 	umount_client $MOUNT || error "umount client failed"
-	stop_all
+	stopall
 	reformat
 }
 run_test 73 "failnode to update from mountdata properly"
 
+test_74() { # LU-1606
+	for TESTPROG in $LUSTRE_TESTS_API_DIR/*.c; do
+		gcc -Wall -Werror $LUSTRE_TESTS_API_DIR/simple_test.c \
+			-I$LUSTRE/include \
+			-L$LUSTRE/utils -llustreapi ||
+				error "client api broken"
+	done
+	cleanup || return $?
+}
+run_test 74 "Lustre client api program can compile and link"
+
+test_75() { # LU-2374
+	[[ $(lustre_version_code $SINGLEMDS) -lt $(version_code 2.4.1) ]] &&
+	                skip "Need MDS version at least 2.4.1" && return
+
+	local index=0
+	local opts_mds="$(mkfs_opts mds1 $(mdsdevname 1)) \
+		--reformat $(mdsdevname 1) $(mdsvdevname 1)"
+	local opts_ost="$(mkfs_opts ost1 $(ostdevname 1)) \
+		--reformat $(ostdevname 1) $(ostvdevname 1)"
+
+	#check with default parameters
+	add mds1 $opts_mds || error "add mds1 failed for default params"
+	add ost1 $opts_ost || error "add ost1 failed for default params"
+
+	opts_mds=$(echo $opts_mds | sed -e "s/--mdt//")
+	opts_mds=$(echo $opts_mds |
+		   sed -e "s/--index=$index/--index=$index --mdt/")
+	opts_ost=$(echo $opts_ost | sed -e "s/--ost//")
+	opts_ost=$(echo $opts_ost |
+		   sed -e "s/--index=$index/--index=$index --ost/")
+
+	add mds1 $opts_mds || error "add mds1 failed for new params"
+	add ost1 $opts_ost || error "add ost1 failed for new params"
+	return 0
+}
+run_test 75 "The order of --index should be irrelevant"
+
+test_76() {
+	[[ $(lustre_version_code mgs) -ge $(version_code 2.4.52) ]] ||
+		{ skip "Need MDS version at least 2.4.52" && return 0; }
+	setup
+	local MDMB_PARAM="osc.*.max_dirty_mb"
+	echo "Change MGS params"
+	local MAX_DIRTY_MB=$($LCTL get_param -n $MDMB_PARAM |
+		head -1)
+	echo "max_dirty_mb: $MAX_DIRTY_MB"
+	local NEW_MAX_DIRTY_MB=$((MAX_DIRTY_MB + MAX_DIRTY_MB))
+	echo "new_max_dirty_mb: $NEW_MAX_DIRTY_MB"
+	do_facet mgs $LCTL set_param -P $MDMB_PARAM=$NEW_MAX_DIRTY_MB
+	wait_update $HOSTNAME "lctl get_param -n $MDMB_PARAM |
+		head -1" $NEW_MAX_DIRTY_MB
+	MAX_DIRTY_MB=$($LCTL get_param -n $MDMB_PARAM | head -1)
+	echo "$MAX_DIRTY_MB"
+	[ $MAX_DIRTY_MB = $NEW_MAX_DIRTY_MB ] ||
+		error "error while apply max_dirty_mb"
+
+	echo "Check the value is stored after remount"
+	stopall
+	setupall
+	wait_update $HOSTNAME "lctl get_param -n $MDMB_PARAM |
+		head -1" $NEW_MAX_DIRTY_MB
+	MAX_DIRTY_MB=$($LCTL get_param -n $MDMB_PARAM | head -1)
+	[ $MAX_DIRTY_MB = $NEW_MAX_DIRTY_MB ] ||
+		error "max_dirty_mb is not saved after remount"
+
+	echo "Change OST params"
+	CLIENT_PARAM="obdfilter.*.client_cache_count"
+	local CLIENT_CACHE_COUNT
+	CLIENT_CACHE_COUNT=$(do_facet ost1 $LCTL get_param -n $CLIENT_PARAM |
+		head -1)
+	echo "client_cache_count: $CLIENT_CACHE_COUNT"
+	NEW_CLIENT_CACHE_COUNT=$((CLIENT_CACHE_COUNT+CLIENT_CACHE_COUNT))
+	echo "new_client_cache_count: $NEW_CLIENT_CACHE_COUNT"
+	do_facet mgs $LCTL set_param -P $CLIENT_PARAM=$NEW_CLIENT_CACHE_COUNT
+	wait_update $(facet_host ost1) "lctl get_param -n $CLIENT_PARAM |
+		head -1" $NEW_CLIENT_CACHE_COUNT
+	CLIENT_CACHE_COUNT=$(do_facet ost1 $LCTL get_param -n $CLIENT_PARAM |
+		head -1)
+	echo "$CLIENT_CACHE_COUNT"
+	[ $CLIENT_CACHE_COUNT = $NEW_CLIENT_CACHE_COUNT ] ||
+		error "error while apply client_cache_count"
+
+	echo "Check the value is stored after remount"
+	stopall
+	setupall
+	wait_update $(facet_host ost1) "lctl get_param -n $CLIENT_PARAM |
+		head -1" $NEW_CLIENT_CACHE_COUNT
+	CLIENT_CACHE_COUNT=$(do_facet ost1 $LCTL get_param -n $CLIENT_PARAM |
+		head -1)
+	echo "$CLIENT_CACHE_COUNT"
+	[ $CLIENT_CACHE_COUNT = $NEW_CLIENT_CACHE_COUNT ] ||
+		error "client_cache_count is not saved after remount"
+	stopall
+}
+run_test 76 "set permanent params set_param -P"
+
+test_77() { # LU-3445
+	local server_version=$(lustre_version_code $SINGLEMDS)
+
+	[[ $server_version -ge $(version_code 2.2.60) ]] &&
+	[[ $server_version -le $(version_code 2.4.0) ]] &&
+		skip "Need MDS version < 2.2.60 or > 2.4.0" && return
+
+	if [[ -z "$fs2ost_DEV" || -z "$fs2mds_DEV" ]]; then
+		is_blkdev $SINGLEMDS $(mdsdevname ${SINGLEMDS//mds/}) &&
+		skip_env "mixed loopback and real device not working" && return
+	fi
+
+	local fs2mdsdev=$(mdsdevname 1_2)
+	local fs2ostdev=$(ostdevname 1_2)
+	local fs2mdsvdev=$(mdsvdevname 1_2)
+	local fs2ostvdev=$(ostvdevname 1_2)
+	local fsname=test1234
+	local mgsnid
+	local failnid="$(h2$NETTYPE 1.2.3.4),$(h2$NETTYPE 4.3.2.1)"
+
+	add fs2mds $(mkfs_opts mds1 $fs2mdsdev) --mgs --fsname=$fsname \
+		--reformat $fs2mdsdev $fs2mdsvdev || error "add fs2mds failed"
+	start fs2mds $fs2mdsdev $MDS_MOUNT_OPTS && trap cleanup_fs2 EXIT INT ||
+		error "start fs2mds failed"
+
+	mgsnid=$(do_facet fs2mds $LCTL list_nids | xargs | tr ' ' ,)
+	[[ $mgsnid = *,* ]] || mgsnid+=",$mgsnid"
+
+	add fs2ost $(mkfs_opts ost1 $fs2ostdev) --mgsnode=$mgsnid \
+		--failnode=$failnid --fsname=$fsname \
+		--reformat $fs2ostdev $fs2ostvdev ||
+			error "add fs2ost failed"
+	start fs2ost $fs2ostdev $OST_MOUNT_OPTS || error "start fs2ost failed"
+
+	mkdir -p $MOUNT2
+	mount -t lustre $mgsnid:/$fsname $MOUNT2 || error "mount $MOUNT2 failed"
+	DIR=$MOUNT2 MOUNT=$MOUNT2 check_mount || error "check $MOUNT2 failed"
+	cleanup_fs2
+}
+run_test 77 "comma-separated MGS NIDs and failover node NIDs"
+
+test_78() {
+	[[ $(facet_fstype $SINGLEMDS) != ldiskfs ||
+	   $(facet_fstype ost1) != ldiskfs ]] &&
+		skip "only applicable to ldiskfs-based MDTs and OSTs" && return
+
+	# reformat the Lustre filesystem with a smaller size
+	local saved_MDSSIZE=$MDSSIZE
+	local saved_OSTSIZE=$OSTSIZE
+	MDSSIZE=$((MDSSIZE - 20000))
+	OSTSIZE=$((OSTSIZE - 20000))
+	reformat || error "(1) reformat Lustre filesystem failed"
+	MDSSIZE=$saved_MDSSIZE
+	OSTSIZE=$saved_OSTSIZE
+
+	# mount the Lustre filesystem
+	setup_noconfig || error "(2) setup Lustre filesystem failed"
+
+	# create some files
+	log "create test files"
+	local i
+	local file
+	local num_files=100
+	mkdir -p $MOUNT/$tdir || error "(3) mkdir $MOUNT/$tdir failed"
+	for i in $(seq $num_files); do
+		file=$MOUNT/$tdir/$tfile-$i
+		dd if=/dev/urandom of=$file count=1 bs=1M ||
+			error "(4) create $file failed"
+	done
+
+	# unmount the Lustre filesystem
+	cleanup || error "(5) cleanup Lustre filesystem failed"
+
+	# run e2fsck on the MDT and OST devices
+	local mds_host=$(facet_active_host $SINGLEMDS)
+	local ost_host=$(facet_active_host ost1)
+	local mds_dev=$(mdsdevname ${SINGLEMDS//mds/})
+	local ost_dev=$(ostdevname 1)
+
+	run_e2fsck $mds_host $mds_dev "-y"
+	run_e2fsck $ost_host $ost_dev "-y"
+
+	# get the original block count of the MDT and OST filesystems
+	local mds_orig_blks=$(get_block_count $SINGLEMDS $mds_dev)
+	local ost_orig_blks=$(get_block_count ost1 $ost_dev)
+
+	# expand the MDT and OST filesystems to the device size
+	run_resize2fs $SINGLEMDS $mds_dev "" || error "expand $SINGLEMDS failed"
+	run_resize2fs ost1 $ost_dev "" || error "expand ost1 failed"
+
+	# run e2fsck on the MDT and OST devices again
+	run_e2fsck $mds_host $mds_dev "-y"
+	run_e2fsck $ost_host $ost_dev "-y"
+
+	# mount the Lustre filesystem
+	setup
+
+	# check the files
+	log "check files after expanding the MDT and OST filesystems"
+	for i in $(seq $num_files); do
+		file=$MOUNT/$tdir/$tfile-$i
+		$CHECKSTAT -t file -s 1048576 $file ||
+			error "(6) checkstat $file failed"
+	done
+
+	# create more files
+	log "create more files after expanding the MDT and OST filesystems"
+	for i in $(seq $((num_files + 1)) $((num_files + 10))); do
+		file=$MOUNT/$tdir/$tfile-$i
+		dd if=/dev/urandom of=$file count=1 bs=1M ||
+			error "(7) create $file failed"
+	done
+
+	# unmount the Lustre filesystem
+	cleanup || error "(8) cleanup Lustre filesystem failed"
+
+	# run e2fsck on the MDT and OST devices
+	run_e2fsck $mds_host $mds_dev "-y"
+	run_e2fsck $ost_host $ost_dev "-y"
+
+	# get the maximum block count of the MDT and OST filesystems
+	local mds_max_blks=$(get_block_count $SINGLEMDS $mds_dev)
+	local ost_max_blks=$(get_block_count ost1 $ost_dev)
+
+	# get the minimum block count of the MDT and OST filesystems
+	local mds_min_blks=$(run_resize2fs $SINGLEMDS $mds_dev "" "-P" 2>&1 |
+				grep minimum | sed -e 's/^.*filesystem: //g')
+	local ost_min_blks=$(run_resize2fs ost1 $ost_dev "" "-P" 2>&1 |
+				grep minimum | sed -e 's/^.*filesystem: //g')
+
+	# shrink the MDT and OST filesystems to a smaller size
+	local shrunk=false
+	local new_blks
+	local base_blks
+	if [[ $mds_max_blks -gt $mds_min_blks &&
+	      $mds_max_blks -gt $mds_orig_blks ]]; then
+		[[ $mds_orig_blks -gt $mds_min_blks ]] &&
+			base_blks=$mds_orig_blks || base_blks=$mds_min_blks
+		new_blks=$(( (mds_max_blks - base_blks) / 2 + base_blks ))
+		run_resize2fs $SINGLEMDS $mds_dev $new_blks ||
+			error "shrink $SINGLEMDS to $new_blks failed"
+		shrunk=true
+	fi
+
+	if [[ $ost_max_blks -gt $ost_min_blks &&
+	      $ost_max_blks -gt $ost_orig_blks ]]; then
+		[[ $ost_orig_blks -gt $ost_min_blks ]] &&
+			base_blks=$ost_orig_blks || base_blks=$ost_min_blks
+		new_blks=$(( (ost_max_blks - base_blks) / 2 + base_blks ))
+		run_resize2fs ost1 $ost_dev $new_blks ||
+			error "shrink ost1 to $new_blks failed"
+		shrunk=true
+	fi
+
+	# check whether the MDT or OST filesystem was shrunk or not
+	if ! $shrunk; then
+		combined_mgs_mds || stop_mgs || error "(9) stop mgs failed"
+		reformat || error "(10) reformat Lustre filesystem failed"
+		return 0
+	fi
+
+	# run e2fsck on the MDT and OST devices again
+	run_e2fsck $mds_host $mds_dev "-y"
+	run_e2fsck $ost_host $ost_dev "-y"
+
+	# mount the Lustre filesystem again
+	setup
+
+	# check the files
+	log "check files after shrinking the MDT and OST filesystems"
+	for i in $(seq $((num_files + 10))); do
+		file=$MOUNT/$tdir/$tfile-$i
+		$CHECKSTAT -t file -s 1048576 $file ||
+			error "(11) checkstat $file failed"
+	done
+
+	# unmount and reformat the Lustre filesystem
+	cleanup || error "(12) cleanup Lustre filesystem failed"
+	combined_mgs_mds || stop_mgs || error "(13) stop mgs failed"
+	reformat || error "(14) reformat Lustre filesystem failed"
+}
+run_test 78 "run resize2fs on MDT and OST filesystems"
+
 if ! combined_mgs_mds ; then
 	stop mgs
 fi
 
 cleanup_gss
 
+# restore the values of MDSSIZE and OSTSIZE
+MDSSIZE=$STORED_MDSSIZE
+OSTSIZE=$STORED_OSTSIZE
+reformat
+
 complete $SECONDS
 exit_status