X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Ftests%2Ftest-framework.sh;h=fdfa7b0d3a7106b6696c5e01164d2589e15289e5;hp=48dd82e5f5ee5ad2ba7b3de3fc9884870effdf07;hb=ea383222e031cdceffbdf2e3afab3b6d1fd53c8e;hpb=b5f3d6db9200e369a68284a8ef85a1205e5905e1

diff --git a/lustre/tests/test-framework.sh b/lustre/tests/test-framework.sh
old mode 100644
new mode 100755
index 48dd82e..fdfa7b0
--- a/lustre/tests/test-framework.sh
+++ b/lustre/tests/test-framework.sh
@@ -10,7 +10,6 @@ export EJOURNAL=${EJOURNAL:-""}
 export REFORMAT=${REFORMAT:-""}
 export WRITECONF=${WRITECONF:-""}
 export VERBOSE=${VERBOSE:-false}
-export CATASTROPHE=${CATASTROPHE:-/proc/sys/lnet/catastrophe}
 export GSS=false
 export GSS_KRB5=false
 export GSS_PIPEFS=false
@@ -24,6 +23,7 @@ export JOBID_VAR=${JOBID_VAR:-"procname_uid"}  # or "existing" or "disable"
 export LOAD_LLOOP=${LOAD_LLOOP:-false}
 
 #export PDSH="pdsh -S -Rssh -w"
+export MOUNT_CMD=${MOUNT_CMD:-"mount -t lustre"}
 
 # function used by scripts run on remote nodes
 LUSTRE=${LUSTRE:-$(cd $(dirname $0)/..; echo $PWD)}
@@ -71,6 +71,7 @@ usage() {
 
 print_summary () {
     trap 0
+	[ -z "$DEFAULT_SUITES"] && return 0
     [ "$TESTSUITE" == "lfsck" ] && return 0
     [ -n "$ONLY" ] && echo "WARNING: ONLY is set to $(echo $ONLY)"
     local details
@@ -90,16 +91,21 @@ print_summary () {
         local total=
         local status=Unfinished
         if [ -f $log ]; then
-            skipped=$(grep excluded $log | awk '{ printf " %s", $3 }' | sed 's/test_//g')
-            slow=$(egrep "^PASS|^FAIL" $log | tr -d "("| sed s/s\)$//g | sort -nr -k 3  | head -5 |  awk '{ print $2":"$3"s" }')
-            total=$(grep duration $log | awk '{ print $2}')
-            if [ "${!O}" = "done" ]; then
-                status=Done
-            fi
-            if $DDETAILS; then
-                local durations=$(egrep "^PASS|^FAIL" $log |  tr -d "("| sed s/s\)$//g | awk '{ print $2":"$3"|" }')
-                details=$(printf "%s\n%s %s %s\n" "$details" "DDETAILS" "$O" "$(echo $durations)")
-            fi
+		skipped=$(grep excluded $log | awk '{ printf " %s", $3 }' |
+			sed 's/test_//g')
+		slow=$(egrep "^PASS|^FAIL" $log | tr -d "("| sed s/s\)$//g |
+			sort -nr -k 3  | head -n5 |  awk '{ print $2":"$3"s" }')
+		total=$(grep duration $log | awk '{ print $2 }')
+		if [ "${!O}" = "done" ]; then
+			status=Done
+		fi
+		if $DDETAILS; then
+			local durations=$(egrep "^PASS|^FAIL" $log |
+				tr -d "("| sed s/s\)$//g |
+				awk '{ print $2":"$3"|" }')
+			details=$(printf "%s\n%s %s %s\n" "$details" \
+				"DDETAILS" "$O" "$(echo $durations)")
+		fi
         fi
         printf "$form" $status "$O" "${total}" "E=$skipped"
         printf "$form" "-" "-" "-" "S=$(echo $slow)"
@@ -220,6 +226,7 @@ init_test_env() {
     [ ! -f "$LST" ] && export LST=$(which lst)
     export SGPDDSURVEY=${SGPDDSURVEY:-"$LUSTRE/../lustre-iokit/sgpdd-survey/sgpdd-survey")}
     [ ! -f "$SGPDDSURVEY" ] && export SGPDDSURVEY=$(which sgpdd-survey)
+	export MCREATE=${MCREATE:-mcreate}
     # Ubuntu, at least, has a truncate command in /usr/bin
     # so fully path our truncate command.
     export TRUNCATE=${TRUNCATE:-$LUSTRE/tests/truncate}
@@ -332,6 +339,8 @@ init_test_env() {
 	if ! $RPC_MODE; then
 		rm -f $TMP/*active
 	fi
+
+	export TF_FAIL=${TF_FAIL:-$TMP/tf.fail}
 }
 
 check_cpt_number() {
@@ -348,23 +357,62 @@ check_cpt_number() {
 	fi
 }
 
+# Return a numeric version code based on a version string.  The version
+# code is useful for comparison two version strings to see which is newer.
 version_code() {
-    # split arguments like "1.8.6-wc3" into "1", "8", "6", "wc3"
-    eval set -- $(tr "[:punct:]" " " <<< $*)
+	# split arguments like "1.8.6-wc3" into "1", "8", "6", "wc3"
+	eval set -- $(tr "[:punct:]" " " <<< $*)
 
-    echo -n "$((($1 << 16) | ($2 << 8) | $3))"
+	echo -n "$((($1 << 16) | ($2 << 8) | $3))"
 }
 
-export LINUX_VERSION=$(uname -r | sed -e "s/[-.]/ /3" -e "s/ .*//")
+export LINUX_VERSION=$(uname -r | sed -e "s/\([0-9]*\.[0-9]*\.[0-9]*\).*/\1/")
 export LINUX_VERSION_CODE=$(version_code ${LINUX_VERSION//\./ })
 
+# Report the Lustre build version string (e.g. 1.8.7.3 or 2.4.1).
+#
+# usage: lustre_build_version
+#
+# All Lustre versions support "lctl get_param" to report the version of the
+# code running in the kernel (what our tests are interested in), but it
+# doesn't work without modules loaded.  If that fails, use "lctl version"
+# instead, which is easy to parse and works without the kernel modules,
+# but was only added in 2.6.50.  If that also fails, fall back to calling
+# "lctl lustre_build_version" which prints either (or both) the userspace
+# and kernel build versions, but is deprecated and should eventually be
+# removed.
+#
+# output: prints version string to stdout in dotted-decimal format
+lustre_build_version() {
+	local facet=${1:-client}
+
+	# lustre: 2.6.52
+	# kernel: patchless_client
+	# build: v2_6_92_0-gadb3ee4-2.6.32-431.29.2.el6_lustre.x86_64
+	local VER=$(do_facet $facet $LCTL get_param -n version 2> /dev/null |
+		    awk '/lustre: / { print $2 }')
+	# lctl 2.6.50
+	[ -z "$VER" ] && VER=$(do_facet $facet $LCTL --version 2>/dev/null |
+			       awk '{ print $2 }')
+	# Lustre version: 2.5.3-gfcfd782-CHANGED-2.6.32.26-175.fc12.x86_64
+	# lctl   version: 2.5.3-gfcfd782-CHANGED-2.6.32.26-175.fc12.x86_64
+	[ -z "$VER" ] && VER=$(do_facet $facet $LCTL lustre_build_version |
+			       awk '/version:/ { print $3; exit; }')
+	sed -e 's/^v//' -e 's/-.*//' -e 's/_/./g' <<<$VER
+}
+
+# Report the Lustre numeric build version code for the supplied facet.
+lustre_version_code() {
+	version_code $(lustre_build_version $1)
+}
+
 module_loaded () {
-   /sbin/lsmod | grep -q "^\<$1\>"
+	/sbin/lsmod | grep -q "^\<$1\>"
 }
 
 # Load a module on the system where this is running.
 #
-# Synopsis: load_module module_name [module arguments for insmod/modprobe]
+# usage: load_module module_name [module arguments for insmod/modprobe]
 #
 # If module arguments are not given but MODOPTS_<MODULE> is set, then its value
 # will be used as the arguments.  Otherwise arguments will be obtained from
@@ -375,12 +423,12 @@ load_module() {
     EXT=".ko"
     module=$1
     shift
-    BASE=`basename $module $EXT`
+    BASE=$(basename $module $EXT)
 
     module_loaded ${BASE} && return
 
-    # If no module arguments were passed, get them from $MODOPTS_<MODULE>, else from
-    # modprobe.conf
+    # If no module arguments were passed, get them from $MODOPTS_<MODULE>,
+    # else from modprobe.conf
     if [ $# -eq 0 ]; then
         # $MODOPTS_<MODULE>; we could use associative arrays, but that's not in
         # Bash until 4.x, so we resort to eval.
@@ -410,22 +458,24 @@ load_module() {
 
     [ $# -gt 0 ] && echo "${module} options: '$*'"
 
-    # Note that insmod will ignore anything in modprobe.conf, which is why we're
-    # passing options on the command-line.
-    if [ "$BASE" == "lnet_selftest" ] && \
-            [ -f ${LUSTRE}/../lnet/selftest/${module}${EXT} ]; then
-        insmod ${LUSTRE}/../lnet/selftest/${module}${EXT}
-    elif [ -f ${LUSTRE}/${module}${EXT} ]; then
-        insmod ${LUSTRE}/${module}${EXT} "$@"
-    else
-        # must be testing a "make install" or "rpm" installation
-        # note failed to load ptlrpc_gss is considered not fatal
-        if [ "$BASE" == "ptlrpc_gss" ]; then
-            modprobe $BASE "$@" 2>/dev/null || echo "gss/krb5 is not supported"
-        else
-            modprobe $BASE "$@"
-        fi
-    fi
+	# Note that insmod will ignore anything in modprobe.conf, which is why
+	# we're passing options on the command-line.
+	if [[ "$BASE" == "lnet_selftest" ]] &&
+		[[ -f ${LUSTRE}/../lnet/selftest/${module}${EXT} ]]; then
+		insmod ${LUSTRE}/../lnet/selftest/${module}${EXT}
+	elif [[ -f ${LUSTRE}/${module}${EXT} ]]; then
+		[[ "$BASE" != "ptlrpc_gss" ]] || modprobe sunrpc
+		insmod ${LUSTRE}/${module}${EXT} "$@"
+	else
+		# must be testing a "make install" or "rpm" installation
+		# note failed to load ptlrpc_gss is considered not fatal
+		if [[ "$BASE" == "ptlrpc_gss" ]]; then
+			modprobe $BASE "$@" 2>/dev/null ||
+				echo "gss/krb5 is not supported"
+		else
+			modprobe $BASE "$@"
+		fi
+	fi
 }
 
 llite_lloop_enabled() {
@@ -484,6 +534,13 @@ load_modules_local() {
     [ "$PTLDEBUG" ] && lctl set_param debug="$PTLDEBUG"
     [ "$SUBSYSTEM" ] && lctl set_param subsystem_debug="${SUBSYSTEM# }"
     load_module ../lnet/lnet/lnet
+	case $NETTYPE in
+	o2ib)
+		LNETLND="o2iblnd/ko2iblnd"
+		;;
+	*)
+		;;
+	esac
     LNETLND=${LNETLND:-"socklnd/ksocklnd"}
     load_module ../lnet/klnds/$LNETLND
     load_module obdclass/obdclass
@@ -514,7 +571,6 @@ load_modules_local() {
 			load_module ../ldiskfs/ldiskfs
 			load_module osd-ldiskfs/osd_ldiskfs
 		fi
-		load_module nodemap/nodemap
 		load_module mgs/mgs
 		load_module mdd/mdd
 		load_module mdt/mdt
@@ -525,20 +581,37 @@ load_modules_local() {
 		load_module osp/osp
     fi
 
-
-    load_module llite/lustre
-    llite_lloop_enabled && load_module llite/llite_lloop
-    [ -d /r ] && OGDB=${OGDB:-"/r/tmp"}
-    OGDB=${OGDB:-$TMP}
-    rm -f $OGDB/ogdb-$HOSTNAME
-    $LCTL modules > $OGDB/ogdb-$HOSTNAME
-
-    # 'mount' doesn't look in $PATH, just sbin
-    if [ -f $LUSTRE/utils/mount.lustre ] && \
-       ! grep -qe "/sbin/mount\.lustre " /proc/mounts; then
-        [ ! -f /sbin/mount.lustre ] && touch /sbin/mount.lustre
-        mount --bind $LUSTRE/utils/mount.lustre /sbin/mount.lustre || true
-    fi
+	load_module llite/lustre
+	llite_lloop_enabled && load_module llite/llite_lloop
+	[ -d /r ] && OGDB=${OGDB:-"/r/tmp"}
+	OGDB=${OGDB:-$TMP}
+	rm -f $OGDB/ogdb-$HOSTNAME
+	$LCTL modules > $OGDB/ogdb-$HOSTNAME
+
+	# 'mount' doesn't look in $PATH, just sbin
+	local mount_lustre=$LUSTRE/utils/mount.lustre
+	if [ -f $mount_lustre ]; then
+		local sbin_mount=/sbin/mount.lustre
+		if grep -qw "$sbin_mount" /proc/mounts; then
+			cmp -s $mount_lustre $sbin_mount || umount $sbin_mount
+		fi
+		if ! grep -qw "$sbin_mount" /proc/mounts; then
+			[ ! -f "$sbin_mount" ] && touch "$sbin_mount"
+			if [ ! -s "$sbin_mount" -a -w "$sbin_mount" ]; then
+				cat <<- EOF > "$sbin_mount"
+				#!/bin/sh
+				#STUB MARK
+				echo "This $sbin_mount just a mountpoint." 1>&2
+				echo "It is never supposed to be run." 1>&2
+				logger -p emerg -- "using stub $sbin_mount $@"
+				exit 1
+				EOF
+				chmod a+x $sbin_mount
+			fi
+			mount --bind $mount_lustre $sbin_mount ||
+				error "can't bind $mount_lustre to $sbin_mount"
+		fi
+	fi
 }
 
 load_modules () {
@@ -582,16 +655,17 @@ unload_modules() {
 		fi
 	fi
 
-    if grep -qe "/sbin/mount\.lustre" /proc/mounts; then
-        umount /sbin/mount.lustre || true
-        [ -w /sbin/mount.lustre -a ! -s /sbin/mount.lustre ] && \
-            rm -f /sbin/mount.lustre || true
-    fi
+	local sbin_mount=/sbin/mount.lustre
+	if grep -qe "$sbin_mount " /proc/mounts; then
+		umount $sbin_mount || true
+		[ -s $sbin_mount ] && ! grep -q "STUB MARK" $sbin_mount ||
+			rm -f $sbin_mount
+	fi
 
-    check_mem_leak || return 254
+	check_mem_leak || return 254
 
-    echo "modules unloaded."
-    return 0
+	echo "modules unloaded."
+	return 0
 }
 
 fs_log_size() {
@@ -649,7 +723,6 @@ start_gss_daemons() {
     fi
 
     local list=$(comma_list $(mdts_nodes))
-
     echo "Starting gss daemon on mds: $list"
     do_nodes $list "$LSVCGSSD -v" || return 1
     if $GSS_PIPEFS; then
@@ -686,7 +759,7 @@ start_gss_daemons() {
 
 stop_gss_daemons() {
     local list=$(comma_list $(mdts_nodes))
-    
+
     send_sigint $list lsvcgssd lgssd
 
     list=$(comma_list $(osts_nodes))
@@ -703,10 +776,13 @@ init_gss() {
             module_loaded ptlrpc_gss ||
                 error_exit "init_gss : GSS=$GSS, but gss/krb5 is not supported!"
         fi
-        start_gss_daemons || error_exit "start gss daemon failed! rc=$?"
+        if $GSS_KRB5; then
+                start_gss_daemons || error_exit "start gss daemon failed! rc=$?"
+        fi
 
         if [ -n "$LGSS_KEYRING_DEBUG" ]; then
-            echo $LGSS_KEYRING_DEBUG > /proc/fs/lustre/sptlrpc/gss/lgss_keyring/debug_level
+		lctl set_param -n \
+		    sptlrpc.gss.lgss_keyring.debug_level=$LGSS_KEYRING_DEBUG
         fi
     fi
 }
@@ -790,6 +866,25 @@ node_fstypes() {
 	echo -n $fstypes
 }
 
+facet_index() {
+	local facet=$1
+	local num=$(facet_number $facet)
+	local index
+
+	if [[ $(facet_type $facet) = OST ]]; then
+		index=OSTINDEX${num}
+		if [[ -n "${!index}" ]]; then
+			echo -n ${!index}
+			return
+		fi
+
+		index=${OST_INDICES[num - 1]}
+	fi
+
+	[[ -n "$index" ]] || index=$((num - 1))
+	echo -n $index
+}
+
 devicelabel() {
 	local facet=$1
 	local dev=$2
@@ -1138,7 +1233,7 @@ mount_facet() {
 	if [ -f $TMP/test-lu482-trigger ]; then
 		RC=2
 	else
-		do_facet ${facet} "mkdir -p $mntpt; mount -t lustre $opts \
+		do_facet ${facet} "mkdir -p $mntpt; $MOUNT_CMD $opts \
 		                   ${!dev} $mntpt"
 		RC=${PIPESTATUS[0]}
 	fi
@@ -1147,6 +1242,12 @@ mount_facet() {
     else
         set_default_debug_facet $facet
 
+	if [[ $facet == mds* ]]; then
+		do_facet $facet \
+			lctl set_param -n mdt.${FSNAME}*.enable_remote_dir=1 \
+				2>/dev/null
+	fi
+
 		label=$(devicelabel ${facet} ${!dev})
         [ -z "$label" ] && echo no label for ${!dev} && exit 1
         eval export ${facet}_svc=${label}
@@ -1171,12 +1272,19 @@ start() {
         eval export ${facet}failover_dev=$device
     fi
 
-    local mntpt=$(facet_mntpt $facet)
-    do_facet ${facet} mkdir -p $mntpt
-    eval export ${facet}_MOUNT=$mntpt
-    mount_facet ${facet}
-    RC=$?
-    return $RC
+	local mntpt=$(facet_mntpt $facet)
+	do_facet ${facet} mkdir -p $mntpt
+	eval export ${facet}_MOUNT=$mntpt
+	mount_facet ${facet}
+	RC=$?
+
+	if [[ $facet == mds* ]]; then
+		do_facet $facet \
+			lctl set_param -n mdt.${FSNAME}*.enable_remote_dir=1 \
+				2>/dev/null
+	fi
+
+	return $RC
 }
 
 stop() {
@@ -1240,7 +1348,7 @@ quota_type() {
 		rc=$?
 	do_nodes $(comma_list $(osts_nodes)) \
 		lctl get_param obdfilter.${fsname}-OST*.quota_type || rc=$?
-	return $rc 
+	return $rc
 }
 
 # XXX This function is kept for interoperability with old server (< 2.3.50),
@@ -1419,17 +1527,19 @@ setup_quota(){
 zconf_mount() {
     local client=$1
     local mnt=$2
-    local OPTIONS=${3:-$MOUNTOPT}
+    local opts=${3:-$MOUNT_OPTS}
+    opts=${opts:+-o $opts}
+    local flags=${4:-$MOUNT_FLAGS}
 
     local device=$MGSNID:/$FSNAME
     if [ -z "$mnt" -o -z "$FSNAME" ]; then
-        echo Bad zconf mount command: opt=$OPTIONS dev=$device mnt=$mnt
+        echo Bad zconf mount command: opt=$flags $opts dev=$device mnt=$mnt
         exit 1
     fi
 
-    echo "Starting client: $client: $OPTIONS $device $mnt"
+    echo "Starting client: $client: $flags $opts $device $mnt"
     do_node $client mkdir -p $mnt
-    do_node $client mount -t lustre $OPTIONS $device $mnt || return 1
+    do_node $client $MOUNT_CMD $flags $opts $device $mnt || return 1
 
     set_default_debug_nodes $client
 
@@ -1525,22 +1635,24 @@ sanity_mount_check () {
 zconf_mount_clients() {
     local clients=$1
     local mnt=$2
-    local OPTIONS=${3:-$MOUNTOPT}
+    local opts=${3:-$MOUNT_OPTS}
+    opts=${opts:+-o $opts}
+    local flags=${4:-$MOUNT_FLAGS}
 
     local device=$MGSNID:/$FSNAME
     if [ -z "$mnt" -o -z "$FSNAME" ]; then
-        echo Bad zconf mount command: opt=$OPTIONS dev=$device mnt=$mnt
+        echo Bad zconf mount command: opt=$flags $opts dev=$device mnt=$mnt
         exit 1
     fi
 
-    echo "Starting client $clients: $OPTIONS $device $mnt"
+    echo "Starting client $clients: $flags $opts $device $mnt"
 
     do_nodes $clients "
 running=\\\$(mount | grep -c $mnt' ');
 rc=0;
 if [ \\\$running -eq 0 ] ; then
     mkdir -p $mnt;
-    mount -t lustre $OPTIONS $device $mnt;
+    $MOUNT_CMD $flags $opts $device $mnt;
     rc=\\\$?;
 fi;
 exit \\\$rc" || return ${PIPESTATUS[0]}
@@ -1630,7 +1742,7 @@ facet_up() {
 	local host=${2:-$(facet_host $facet)}
 
 	local label=$(convert_facet2label $facet)
-	do_node $host $LCTL dl | awk '{print $4}' | grep -q -x $label
+	do_node $host $LCTL dl | awk '{ print $4 }' | grep -q "^$label\$"
 }
 
 facets_up_on_host () {
@@ -1923,18 +2035,22 @@ stop_client_loads() {
 
 # verify that lustre actually cleaned up properly
 cleanup_check() {
-    [ -f $CATASTROPHE ] && [ `cat $CATASTROPHE` -ne 0 ] && \
-        error "LBUG/LASSERT detected"
-    BUSY=`dmesg | grep -i destruct || true`
-    if [ "$BUSY" ]; then
-        echo "$BUSY" 1>&2
-        [ -e $TMP/debug ] && mv $TMP/debug $TMP/debug-busy.`date +%s`
-        exit 205
-    fi
+	VAR=$(lctl get_param -n catastrophe 2>&1)
+	if [ $? = 0 ] ; then
+		if [ $VAR != 0 ]; then
+			error "LBUG/LASSERT detected"
+		fi
+	fi
+	BUSY=$(dmesg | grep -i destruct || true)
+	if [ -n "$BUSY" ]; then
+		echo "$BUSY" 1>&2
+		[ -e $TMP/debug ] && mv $TMP/debug $TMP/debug-busy.$(date +%s)
+		exit 205
+	fi
 
-    check_mem_leak || exit 204
+	check_mem_leak || exit 204
 
-	[ "`lctl dl 2> /dev/null | wc -l`" -gt 0 ] && lctl dl &&
+	[[ $($LCTL dl 2>/dev/null | wc -l) -gt 0 ]] && $LCTL dl &&
 		echo "$TESTSUITE: lustre didn't clean up..." 1>&2 &&
 		return 202 || true
 
@@ -2003,50 +2119,60 @@ sync_all_data() {
 
 wait_delete_completed_mds() {
 	local MAX_WAIT=${1:-20}
+	# for ZFS, waiting more time for DMUs to be committed
+	local ZFS_WAIT=${2:-5}
 	local mds2sync=""
-	local stime=`date +%s`
+	local stime=$(date +%s)
 	local etime
 	local node
 	local changes
 
 	# find MDS with pending deletions
 	for node in $(mdts_nodes); do
-		changes=$(do_node $node "lctl get_param -n osc.*MDT*.sync_*" \
+		changes=$(do_node $node "$LCTL get_param -n osc.*MDT*.sync_*" \
 			2>/dev/null | calc_sum)
-		if [ -z "$changes" ] || [ $changes -eq 0 ]; then
+		if [[ $changes -eq 0 ]]; then
 			continue
 		fi
 		mds2sync="$mds2sync $node"
 	done
-	if [ "$mds2sync" == "" ]; then
+	if [ -z "$mds2sync" ]; then
 		return
 	fi
 	mds2sync=$(comma_list $mds2sync)
 
 	# sync MDS transactions
-	do_nodes $mds2sync "lctl set_param -n osd*.*MD*.force_sync 1"
+	do_nodes $mds2sync "$LCTL set_param -n osd*.*MD*.force_sync 1"
 
 	# wait till all changes are sent and commmitted by OSTs
 	# for ldiskfs space is released upon execution, but DMU
 	# do this upon commit
 
 	local WAIT=0
-	while [ "$WAIT" -ne "$MAX_WAIT" ]; do
-		changes=$(do_nodes $mds2sync "lctl get_param -n osc.*MDT*.sync_*" \
-			| calc_sum)
+	while [[ $WAIT -ne $MAX_WAIT ]]; do
+		changes=$(do_nodes $mds2sync \
+			"$LCTL get_param -n osc.*MDT*.sync_*" | calc_sum)
 		#echo "$node: $changes changes on all"
-		if [ "$changes" -eq "0" ]; then
-			etime=`date +%s`
+		if [[ $changes -eq 0 ]]; then
+			etime=$(date +%s)
 			#echo "delete took $((etime - stime)) seconds"
+
+			# the occupied disk space will be released
+			# only after DMUs are committed
+			if [[ $(facet_fstype $SINGLEMDS) == zfs ]]; then
+				echo "sleep $ZFS_WAIT for ZFS OSD"
+				sleep $ZFS_WAIT
+			fi
+
 			return
 		fi
 		sleep 1
 		WAIT=$(( WAIT + 1))
 	done
 
-	etime=`date +%s`
+	etime=$(date +%s)
 	echo "Delete is not completed in $((etime - stime)) seconds"
-	do_nodes $mds2sync "lctl get_param osc.*MDT*.sync_*"
+	do_nodes $mds2sync "$LCTL get_param osc.*MDT*.sync_*"
 }
 
 wait_for_host() {
@@ -2269,7 +2395,7 @@ client_evicted() {
     ! client_up $1
 }
 
-client_reconnect() {
+client_reconnect_try() {
     uname -n >> $MOUNT/recon
     if [ -z "$CLIENTS" ]; then
         df $MOUNT; uname -n >> $MOUNT/recon
@@ -2282,6 +2408,14 @@ client_reconnect() {
     rm $MOUNT/recon
 }
 
+client_reconnect() {
+	# one client_reconnect_try call does not always do the job...
+	while true ; do
+		client_reconnect_try && break
+		sleep 1
+	done
+}
+
 affected_facets () {
     local facet=$1
 
@@ -2592,7 +2726,7 @@ hostlist_expand() {
     done
     myList="${myList%* }";
 
-    # We can select an object at a offset in the list
+    # We can select an object at an offset in the list
     [ $# -eq 2 ] && {
         cnt=0
         for item in $myList; do
@@ -2670,13 +2804,7 @@ facet_active() {
 }
 
 facet_active_host() {
-    local facet=$1
-    local active=`facet_active $facet`
-    if [ "$facet" == client ]; then
-        echo $HOSTNAME
-    else
-        echo `facet_host $active`
-    fi
+	facet_host $(facet_active $1)
 }
 
 # Get the passive failover partner host of facet.
@@ -2786,7 +2914,7 @@ get_env_vars() {
 	local facet
 
 	for var in ${!MODOPTS_*}; do
-		value=${!var}
+		value=${!var//\"/\\\"}
 		echo -n " ${var}=\"$value\""
 	done
 
@@ -2806,6 +2934,12 @@ get_env_vars() {
 	if [ -n "$FSTYPE" ]; then
 		echo -n " FSTYPE=$FSTYPE"
 	fi
+
+	for var in LNETLND NETTYPE; do
+		if [ -n "${!var}" ]; then
+			echo -n " $var=${!var}"
+		fi
+	done
 }
 
 do_nodes() {
@@ -2850,12 +2984,19 @@ do_nodes() {
     return ${PIPESTATUS[0]}
 }
 
+##
+# Execute commands on a single service's host
+#
+# The \a facet (service) may be on a local or remote node, which is
+# determined at the time the command is run.
+#
+# usage: do_facet $facet command [arg ...]
 do_facet() {
-    local facet=$1
-    shift
-    local HOST=`facet_active_host $facet`
-    [ -z $HOST ] && echo No host defined for facet ${facet} && exit 1
-    do_node $HOST "$@"
+	local facet=$1
+	shift
+	local HOST=$(facet_active_host $facet)
+	[ -z $HOST ] && echo "No host defined for facet ${facet}" && exit 1
+	do_node $HOST "$@"
 }
 
 # Function: do_facet_random_file $FACET $FILE $SIZE
@@ -2940,7 +3081,7 @@ ostvdevname() {
 			eval VDEVPTR="";;
 		zfs )
 			#if $OSTDEVn isn't defined, default is $OSTDEVBASE{n}
-			# Device formated by zfs
+			# Device formatted by zfs
 			DEVNAME=OSTDEV$num
 			eval VDEVPTR=${!DEVNAME:=${OSTDEVBASE}${num}};;
 		* )
@@ -2950,7 +3091,7 @@ ostvdevname() {
 	echo -n $VDEVPTR
 }
 
-# Logical device formated for lustre
+# Logical device formatted for lustre
 mdsdevname() {
 	local num=$1
 	local DEVNAME=MDSDEV$num
@@ -2984,7 +3125,7 @@ mdsvdevname() {
 			eval VDEVPTR="";;
 		zfs )
 			# if $MDSDEVn isn't defined, default is $MDSDEVBASE{n}
-			# Device formated by ZFS
+			# Device formatted by ZFS
 			local DEVNAME=MDSDEV$num
 			eval VDEVPTR=${!DEVNAME:=${MDSDEVBASE}${num}};;
 		* )
@@ -3209,17 +3350,13 @@ mkfs_opts() {
 	local dev=$2
 	local fsname=${3:-"$FSNAME"}
 	local type=$(facet_type $facet)
-	local index=$(($(facet_number $facet) - 1))
+	local index=$(facet_index $facet)
 	local fstype=$(facet_fstype $facet)
 	local host=$(facet_host $facet)
 	local opts
 	local fs_mkfs_opts
 	local var
 
-	if [ $type == MGS ] && combined_mgs_mds; then
-		return 1
-	fi
-
 	if [ $type == MGS ] || ( [ $type == MDS ] &&
                                  [ "$dev" == $(mgsdevname) ] &&
 				 [ "$host" == "$(facet_host mgs)" ] ); then
@@ -3249,6 +3386,12 @@ mkfs_opts() {
 		opts+=${L_GETIDENTITY:+" --param=mdt.identity_upcall=$L_GETIDENTITY"}
 
 		if [ $fstype == ldiskfs ]; then
+			# Check for wide striping
+			if [ $OSTCOUNT -gt 160 ]; then
+				MDSJOURNALSIZE=${MDSJOURNALSIZE:-4096}
+				fs_mkfs_opts+="-O large_xattr"
+			fi
+
 			fs_mkfs_opts+=${MDSJOURNALSIZE:+" -J size=$MDSJOURNALSIZE"}
 			if [ ! -z $EJOURNAL ]; then
 				fs_mkfs_opts+=${MDSJOURNALSIZE:+" device=$EJOURNAL"}
@@ -3289,6 +3432,24 @@ mkfs_opts() {
 	echo -n "$opts"
 }
 
+check_ost_indices() {
+	local index_count=${#OST_INDICES[@]}
+	[[ $index_count -eq 0 || $OSTCOUNT -le $index_count ]] && return 0
+
+	# OST count is greater than the index count in $OST_INDEX_LIST.
+	# We need check whether there are duplicate indices.
+	local i
+	local j
+	local index
+	for i in $(seq $((index_count + 1)) $OSTCOUNT); do
+		index=$(facet_index ost$i)
+		for j in $(seq 0 $((index_count - 1))); do
+			[[ $index -ne ${OST_INDICES[j]} ]] ||
+			error "ost$i has the same index $index as ost$((j+1))"
+		done
+	done
+}
+
 formatall() {
 	local quiet
 
@@ -3315,6 +3476,8 @@ formatall() {
 			${quiet:+>/dev/null} || exit 10
 	done
 
+	export OST_INDICES=($(hostlist_expand "$OST_INDEX_LIST"))
+	check_ost_indices
 	for num in $(seq $OSTCOUNT); do
 		echo "Format ost$num: $(ostdevname $num)"
 		add ost$num $(mkfs_opts ost$num $(ostdevname ${num})) \
@@ -3831,6 +3994,13 @@ check_and_setup_lustre() {
 		set_flavor_all $SEC
 	fi
 
+	#Enable remote MDT create for testing
+	for num in $(seq $MDSCOUNT); do
+		do_facet mds$num \
+			lctl set_param -n mdt.${FSNAME}*.enable_remote_dir=1 \
+				2>/dev/null
+	done
+
 	if [ "$ONLY" == "setup" ]; then
 		exit 0
 	fi
@@ -4044,6 +4214,60 @@ run_lfsck() {
 	return $rc
 }
 
+dump_file_contents() {
+	local nodes=$1
+	local dir=$2
+	local logname=$3
+	local node
+
+	if [ -z "$nodes" -o -z "$dir" -o -z "$logname" ]; then
+		error_noexit false \
+			"Invalid parameters for dump_file_contents()"
+		return 1
+	fi
+	for node in ${nodes}; do
+		do_node $node "for i in \\\$(find $dir -type f); do
+				echo ====\\\${i}=======================;
+				cat \\\${i};
+				done" >> ${logname}.${node}.log
+	done
+}
+
+dump_command_output() {
+	local nodes=$1
+	local cmd=$2
+	local logname=$3
+	local node
+
+	if [ -z "$nodes" -o -z "$cmd" -o -z "$logname" ]; then
+		error_noexit false \
+			"Invalid parameters for dump_command_output()"
+		return 1
+	fi
+
+	for node in ${nodes}; do
+		do_node $node "echo ====${cmd}=======================;
+				$cmd" >> ${logname}.${node}.log
+	done
+}
+
+log_zfs_info() {
+	local logname=$1
+
+	# dump file contents from /proc/spl in case of zfs test
+	if [ "$(facet_fstype ost1)" = "zfs" ]; then
+		dump_file_contents "$(osts_nodes)" "/proc/spl" "${logname}"
+		dump_command_output \
+			"$(osts_nodes)" "zpool events -v" "${logname}"
+	fi
+
+	if [ "$(facet_fstype $SINGLEMDS)" = "zfs" ]; then
+		dump_file_contents "$(mdts_nodes)" "/proc/spl" "${logname}"
+		dump_command_output \
+			"$(mdts_nodes)" "zpool events -v" "${logname}"
+	fi
+}
+
 check_and_cleanup_lustre() {
     if [ "$LFSCK_ALWAYS" = "yes" -a "$TESTSUITE" != "lfsck" ]; then
         get_svr_devs
@@ -4057,18 +4281,18 @@ check_and_cleanup_lustre() {
 		[ "$ENABLE_QUOTA" ] && restore_quota || true
 	fi
 
-    if [ "$I_UMOUNTED2" = "yes" ]; then
-        restore_mount $MOUNT2 || error "restore $MOUNT2 failed"
-    fi
+	if [ "$I_UMOUNTED2" = "yes" ]; then
+		restore_mount $MOUNT2 || error "restore $MOUNT2 failed"
+	fi
 
-    if [ "$I_MOUNTED2" = "yes" ]; then
-        cleanup_mount $MOUNT2
-    fi
+	if [ "$I_MOUNTED2" = "yes" ]; then
+		cleanup_mount $MOUNT2
+	fi
 
-    if [ "$I_MOUNTED" = "yes" ]; then
-        cleanupall -f || error "cleanup failed"
-        unset I_MOUNTED
-    fi
+	if [ "$I_MOUNTED" = "yes" ]; then
+		cleanupall -f || error "cleanup failed"
+		unset I_MOUNTED
+	fi
 }
 
 #######
@@ -4266,24 +4490,24 @@ drop_request() {
 
 drop_reply() {
 # OBD_FAIL_MDS_ALL_REPLY_NET
-    RC=0
-    do_facet $SINGLEMDS lctl set_param fail_loc=0x122
-    do_facet client "$@" || RC=$?
-    do_facet $SINGLEMDS lctl set_param fail_loc=0
-    return $RC
+	RC=0
+	do_facet $SINGLEMDS $LCTL set_param fail_loc=0x122
+	eval "$@" || RC=$?
+	do_facet $SINGLEMDS $LCTL set_param fail_loc=0
+	return $RC
 }
 
 drop_reint_reply() {
 # OBD_FAIL_MDS_REINT_NET_REP
-    RC=0
-    do_facet $SINGLEMDS lctl set_param fail_loc=0x119
-    do_facet client "$@" || RC=$?
-    do_facet $SINGLEMDS lctl set_param fail_loc=0
-    return $RC
+	RC=0
+	do_facet $SINGLEMDS $LCTL set_param fail_loc=0x119
+	eval "$@" || RC=$?
+	do_facet $SINGLEMDS $LCTL set_param fail_loc=0
+	return $RC
 }
 
 drop_update_reply() {
-# OBD_FAIL_UPDATE_OBJ_NET_REP
+# OBD_FAIL_OUT_UPDATE_NET_REP
 	local index=$1
 	shift 1
 	RC=0
@@ -4319,21 +4543,51 @@ drop_ldlm_cancel() {
 	return $RC
 }
 
-drop_bl_callback() {
+drop_bl_callback_once() {
+	local rc=0
+	do_facet client lctl set_param ldlm.namespaces.*.early_lock_cancel=0
 #define OBD_FAIL_LDLM_BL_CALLBACK_NET			0x305
-	RC=0
 	do_facet client lctl set_param fail_loc=0x80000305
-	do_facet client "$@" || RC=$?
+	do_facet client "$@" || rc=$?
 	do_facet client lctl set_param fail_loc=0
-	return $RC
+	do_facet client lctl set_param fail_val=0
+	do_facet client lctl set_param ldlm.namespaces.*.early_lock_cancel=1
+	return $rc
+}
+
+drop_bl_callback() {
+	rc=0
+	do_facet client lctl set_param ldlm.namespaces.*.early_lock_cancel=0
+#define OBD_FAIL_LDLM_BL_CALLBACK_NET			0x305
+	do_facet client lctl set_param fail_loc=0x305
+	do_facet client "$@" || rc=$?
+	do_facet client lctl set_param fail_loc=0
+	do_facet client lctl set_param fail_val=0
+	do_facet client lctl set_param ldlm.namespaces.*.early_lock_cancel=1
+	return $rc
 }
 
 drop_ldlm_reply() {
 #define OBD_FAIL_LDLM_REPLY              0x30c
     RC=0
-    do_facet $SINGLEMDS lctl set_param fail_loc=0x30c
+    local list=$(comma_list $(mdts_nodes) $(osts_nodes))
+    do_nodes $list lctl set_param fail_loc=0x30c
+
     do_facet client "$@" || RC=$?
-    do_facet $SINGLEMDS lctl set_param fail_loc=0
+
+    do_nodes $list lctl set_param fail_loc=0
+    return $RC
+}
+
+drop_ldlm_reply_once() {
+#define OBD_FAIL_LDLM_REPLY              0x30c
+    RC=0
+    local list=$(comma_list $(mdts_nodes) $(osts_nodes))
+    do_nodes $list lctl set_param fail_loc=0x8000030c
+
+    do_facet client "$@" || RC=$?
+
+    do_nodes $list lctl set_param fail_loc=0
     return $RC
 }
 
@@ -4351,10 +4605,31 @@ set_nodes_failloc () {
 
 cancel_lru_locks() {
     $LCTL mark "cancel_lru_locks $1 start"
-    for d in `lctl get_param -N ldlm.namespaces.*.lru_size | egrep -i $1`; do
-        $LCTL set_param -n $d=clear
-    done
-    $LCTL get_param ldlm.namespaces.*.lock_unused_count | egrep -i $1 | grep -v '=0'
+
+    if [ $1 != "MGC" ]; then
+	for d in $(lctl get_param -N ldlm.namespaces.*.lru_size |
+		 egrep -i $1); do
+	    $LCTL set_param -n $d=clear
+	done
+	$LCTL get_param ldlm.namespaces.*.lock_unused_count | egrep -i $1 |
+		grep -v '=0'
+    else
+	for d in $(find \
+		/{proc,sys}/fs/lustre/ldlm/namespaces/*$1*/lru_size \
+		2> /dev/null); do
+	    echo "clear" > $d
+	done
+
+	for d in $(find \
+		/{proc,sys}/fs/lustre/ldlm/namespaces/*$1*/lock_unused_count \
+		2> /dev/null); do
+	    if [ $(cat $d) != 0 ]; then
+		echo "ldlm.namespaces.$(echo "$d" |
+			cut -f 7 -d'/').lock_unused_count=$(cat $d)"
+	    fi
+	done
+    fi
+
     $LCTL mark "cancel_lru_locks $1 stop"
 }
 
@@ -4375,6 +4650,13 @@ lru_resize_disable()
     lctl set_param ldlm.namespaces.*$1*.lru_size $(default_lru_size)
 }
 
+flock_is_enabled()
+{
+	local RC=0
+	[ -z "$(mount | grep "$MOUNT.*flock" | grep -v noflock)" ] && RC=1
+	return $RC
+}
+
 pgcache_empty() {
     local FILE
     for FILE in `lctl get_param -N "llite.*.dump_page_cache"`; do
@@ -4424,7 +4706,7 @@ stop_full_debug_logging() {
 }
 
 # prints bash call stack
-log_trace_dump() {
+print_stack_trace() {
 	echo "  Trace dump:"
 	for (( i=1; i < ${#BASH_LINENO[*]} ; i++ )) ; do
 		local s=${BASH_SOURCE[$i]}
@@ -4450,7 +4732,7 @@ error_noexit() {
 
 
 	log " ${TESTSUITE} ${TESTNAME}: @@@@@@ ${TYPE}: $@ "
-	log_trace_dump
+	print_stack_trace >&2
 
 	mkdir -p $LOGDIR
 	# We need to dump the logs on all nodes
@@ -4527,10 +4809,16 @@ skip() {
 build_test_filter() {
     EXCEPT="$EXCEPT $(testslist_filter)"
 
-    [ "$ONLY" ] && log "only running test `echo $ONLY`"
-    for O in $ONLY; do
-        eval ONLY_${O}=true
-    done
+	for O in $ONLY; do
+		if [[ $O = [0-9]*-[0-9]* ]]; then
+			for num in $(seq $(echo $O | tr '-' ' ')); do
+				eval ONLY_$num=true
+			done
+		else
+			eval ONLY_${O}=true
+		fi
+	done
+
     [ "$EXCEPT$ALWAYS_EXCEPT" ] && \
         log "excepting tests: `echo $EXCEPT $ALWAYS_EXCEPT`"
     [ "$EXCEPT_SLOW" ] && \
@@ -4569,69 +4857,69 @@ export ALWAYS_SKIPPED=
 # run or not run.  These need to be documented...
 #
 run_test() {
-    assert_DIR
-
-    export base=`basetest $1`
-    if [ ! -z "$ONLY" ]; then
-        testname=ONLY_$1
-        if [ ${!testname}x != x ]; then
-            [ "$LAST_SKIPPED" ] && echo "" && LAST_SKIPPED=
-            run_one_logged $1 "$2"
-            return $?
-        fi
-        testname=ONLY_$base
-        if [ ${!testname}x != x ]; then
-            [ "$LAST_SKIPPED" ] && echo "" && LAST_SKIPPED=
-            run_one_logged $1 "$2"
-            return $?
-        fi
-        LAST_SKIPPED="y"
-        return 0
-    fi
+	assert_DIR
+
+	export base=$(basetest $1)
+	if [ -n "$ONLY" ]; then
+		testname=ONLY_$1
+		if [ ${!testname}x != x ]; then
+			[ -n "$LAST_SKIPPED" ] && echo "" && LAST_SKIPPED=
+			run_one_logged $1 "$2"
+			return $?
+		fi
+		testname=ONLY_$base
+		if [ ${!testname}x != x ]; then
+			[ -n "$LAST_SKIPPED" ] && echo "" && LAST_SKIPPED=
+			run_one_logged $1 "$2"
+			return $?
+		fi
+		LAST_SKIPPED="y"
+		return 0
+	fi
 
 	LAST_SKIPPED="y"
 	ALWAYS_SKIPPED="y"
-    testname=EXCEPT_$1
-    if [ ${!testname}x != x ]; then
-        TESTNAME=test_$1 skip "skipping excluded test $1"
-        return 0
-    fi
-    testname=EXCEPT_$base
-    if [ ${!testname}x != x ]; then
-        TESTNAME=test_$1 skip "skipping excluded test $1 (base $base)"
-        return 0
-    fi
-    testname=EXCEPT_ALWAYS_$1
-    if [ ${!testname}x != x ]; then
-        TESTNAME=test_$1 skip "skipping ALWAYS excluded test $1"
-        return 0
-    fi
-    testname=EXCEPT_ALWAYS_$base
-    if [ ${!testname}x != x ]; then
-        TESTNAME=test_$1 skip "skipping ALWAYS excluded test $1 (base $base)"
-        return 0
-    fi
-    testname=EXCEPT_SLOW_$1
-    if [ ${!testname}x != x ]; then
-        TESTNAME=test_$1 skip "skipping SLOW test $1"
-        return 0
-    fi
-    testname=EXCEPT_SLOW_$base
-    if [ ${!testname}x != x ]; then
-        TESTNAME=test_$1 skip "skipping SLOW test $1 (base $base)"
-        return 0
-    fi
+	testname=EXCEPT_$1
+	if [ ${!testname}x != x ]; then
+		TESTNAME=test_$1 skip "skipping excluded test $1"
+		return 0
+	fi
+	testname=EXCEPT_$base
+	if [ ${!testname}x != x ]; then
+		TESTNAME=test_$1 skip "skipping excluded test $1 (base $base)"
+		return 0
+	fi
+	testname=EXCEPT_ALWAYS_$1
+	if [ ${!testname}x != x ]; then
+		TESTNAME=test_$1 skip "skipping ALWAYS excluded test $1"
+		return 0
+	fi
+	testname=EXCEPT_ALWAYS_$base
+	if [ ${!testname}x != x ]; then
+		TESTNAME=test_$1 skip "skipping ALWAYS excluded test $1 (base $base)"
+		return 0
+	fi
+	testname=EXCEPT_SLOW_$1
+	if [ ${!testname}x != x ]; then
+		TESTNAME=test_$1 skip "skipping SLOW test $1"
+		return 0
+	fi
+	testname=EXCEPT_SLOW_$base
+	if [ ${!testname}x != x ]; then
+		TESTNAME=test_$1 skip "skipping SLOW test $1 (base $base)"
+		return 0
+	fi
 
-    LAST_SKIPPED=
-    ALWAYS_SKIPPED=
-    run_one_logged $1 "$2"
+	LAST_SKIPPED=
+	ALWAYS_SKIPPED=
+	run_one_logged $1 "$2"
 
-    return $?
+	return $?
 }
 
 log() {
-    echo "$*"
-    module_loaded lnet || load_modules
+	echo "$*" >&2
+	load_module ../libcfs/libcfs/libcfs
 
     local MSG="$*"
     # Get rid of '
@@ -4685,7 +4973,8 @@ check_mds() {
 
 reset_fail_loc () {
     echo -n "Resetting fail_loc on all nodes..."
-    do_nodes $(comma_list $(nodes_list)) "lctl set_param -n fail_loc=0 2>/dev/null || true"
+    do_nodes $(comma_list $(nodes_list)) "lctl set_param -n fail_loc=0 \
+	    fail_val=0 2>/dev/null || true"
     echo done.
 }
 
@@ -4744,14 +5033,16 @@ run_one() {
 #  - test result is saved to data file
 #
 run_one_logged() {
-	local BEFORE=`date +%s`
+	local BEFORE=$(date +%s)
 	local TEST_ERROR
 	local name=${TESTSUITE}.test_${1}.test_log.$(hostname -s).log
 	local test_log=$LOGDIR/$name
+	local zfs_log_name=${TESTSUITE}.test_${1}.zfs_log
+	local zfs_debug_log=$LOGDIR/$zfs_log_name
 	rm -rf $LOGDIR/err
 	rm -rf $LOGDIR/ignore
 	rm -rf $LOGDIR/skip
-	local SAVE_UMASK=`umask`
+	local SAVE_UMASK=$(umask)
 	umask 0022
 
 	echo
@@ -4762,7 +5053,7 @@ run_one_logged() {
 	[ $RC -ne 0 ] && [ ! -f $LOGDIR/err ] &&
 		echo "test_$1 returned $RC" | tee $LOGDIR/err
 
-	duration=$((`date +%s` - $BEFORE))
+	duration=$(($(date +%s) - $BEFORE))
 	pass "$1" "(${duration}s)"
 
 	if [[ -f $LOGDIR/err ]]; then
@@ -4779,6 +5070,7 @@ run_one_logged() {
 	fi
 
 	if [ -f $LOGDIR/err ]; then
+		log_zfs_info "$zfs_debug_log"
 		$FAIL_ON_ERROR && exit $RC
 	fi
 
@@ -4797,46 +5089,45 @@ skip_logged(){
 }
 
 canonical_path() {
-    (cd `dirname $1`; echo $PWD/`basename $1`)
+	(cd $(dirname $1); echo $PWD/$(basename $1))
 }
 
 
 check_grant() {
-    export base=`basetest $1`
-    [ "$CHECK_GRANT" == "no" ] && return 0
+	export base=$(basetest $1)
+	[ "$CHECK_GRANT" == "no" ] && return 0
 
-        testname=GCHECK_ONLY_${base}
-        [ ${!testname}x == x ] && return 0
+	testname=GCHECK_ONLY_${base}
+	[ ${!testname}x == x ] && return 0
 
-    echo -n "checking grant......"
+	echo -n "checking grant......"
 
-        local clients=$CLIENTS
-        [ -z $clients ] && clients=$(hostname)
+	local clients=$CLIENTS
+	[ -z "$clients" ] && clients=$(hostname)
 
-    # sync all the data and make sure no pending data on server
-    do_nodes $clients sync
-
-    # get client grant
-    client_grant=`do_nodes $clients \
-                    "$LCTL get_param -n osc.${FSNAME}-*.cur_*grant_bytes" | \
-                    awk '{total += $1} END{print total}'`
-
-    # get server grant
-    server_grant=`do_nodes $(comma_list $(osts_nodes)) \
-                    "$LCTL get_param -n obdfilter.${FSNAME}-OST*.tot_granted" |
-                    awk '{total += $1} END{print total}'`
-
-    # check whether client grant == server grant
-    if [ $client_grant -ne $server_grant ]; then
-        echo "failed: client:${client_grant} server: ${server_grant}."
-        do_nodes $(comma_list $(osts_nodes)) \
-                   "$LCTL get_param obdfilter.${FSNAME}-OST*.tot*"
-        do_nodes $clients "$LCTL get_param osc.${FSNAME}-*.cur_*_bytes"
-        return 1
-    else
-        echo "pass: client:${client_grant} server: ${server_grant}"
-    fi
+	# sync all the data and make sure no pending data on server
+	do_nodes $clients sync
 
+	# get client grant
+	client_grant=$(do_nodes $clients \
+		"$LCTL get_param -n osc.${FSNAME}-*.cur_*grant_bytes" |
+		awk '{ total += $1 } END { printf("%0.0f", total) }')
+
+	# get server grant
+	server_grant=$(do_nodes $(comma_list $(osts_nodes)) \
+		"$LCTL get_param -n obdfilter.${FSNAME}-OST*.tot_granted" |
+		awk '{ total += $1 } END { printf("%0.0f", total) }')
+
+	# check whether client grant == server grant
+	if [[ $client_grant -ne $server_grant ]]; then
+		echo "failed: client:${client_grant} server: ${server_grant}."
+		do_nodes $(comma_list $(osts_nodes)) \
+			"$LCTL get_param obdfilter.${FSNAME}-OST*.tot*"
+		do_nodes $clients "$LCTL get_param osc.${FSNAME}-*.cur_*_bytes"
+		return 1
+	else
+		echo "pass: client:${client_grant} server: ${server_grant}"
+	fi
 }
 
 ########################
@@ -4959,6 +5250,7 @@ require_dsh_ost()
 
 remote_mgs_nodsh()
 {
+	[ "$CLIENTONLY" ] && return 0 || true
     local MGS 
     MGS=$(facet_host mgs)
     remote_node $MGS && [ "$PDSH" = "no_dsh" -o -z "$PDSH" -o -z "$ost_HOST" ]
@@ -5178,14 +5470,14 @@ get_stripe () {
 }
 
 setstripe_nfsserver () {
-    local dir=$1
+	local dir=$1
 
-    local nfsserver=$(awk '"'$dir'" ~ $2 && $3 ~ "nfs" && $2 != "/" \
-                { print $1 }' /proc/mounts | cut -f 1 -d : | head -1)
+	local nfsserver=$(awk '"'$dir'" ~ $2 && $3 ~ "nfs" && $2 != "/" \
+		{ print $1 }' /proc/mounts | cut -f 1 -d : | head -n1)
 
-    [ -z $nfsserver ] && echo "$dir is not nfs mounted" && return 1
+	[ -z $nfsserver ] && echo "$dir is not nfs mounted" && return 1
 
-    do_nodev $nfsserver lfs setstripe "$@"
+	do_nodev $nfsserver lfs setstripe "$@"
 }
 
 # Check and add a test group.
@@ -5341,7 +5633,7 @@ do_and_time () {
 
     SECONDS=0
     eval '$cmd'
-    
+
     [ ${PIPESTATUS[0]} -eq 0 ] || rc=1
 
     echo $SECONDS
@@ -5349,8 +5641,9 @@ do_and_time () {
 }
 
 inodes_available () {
-    local IFree=$($LFS df -i $MOUNT | grep ^$FSNAME | awk '{print $4}' | sort -un | head -1) || return 1
-    echo $IFree
+	local IFree=$($LFS df -i $MOUNT | grep ^$FSNAME | awk '{ print $4 }' |
+		sort -un | head -n1) || return 1
+	echo $((IFree))
 }
 
 mdsrate_inodes_available () {
@@ -5365,25 +5658,25 @@ clear_llite_stats(){
 
 # sum llite stat items
 calc_llite_stats() {
-        local res=$(lctl get_param -n llite.*.stats |
-                    awk 'BEGIN {s = 0} END {print s} /^'"$1"'/ {s += $2}')
-        echo $res
+	local res=$(lctl get_param -n llite.*.stats |
+		awk '/^'"$1"'/ {sum += $2} END { printf("%0.0f", sum) }')
+	echo $((res))
 }
 
 # reset osc stat counters
 clear_osc_stats(){
-        lctl set_param -n osc.*.osc_stats 0
+	lctl set_param -n osc.*.osc_stats 0
 }
 
 # sum osc stat items
 calc_osc_stats() {
-        local res=$(lctl get_param -n osc.*.osc_stats |
-                    awk 'BEGIN {s = 0} END {print s} /^'"$1"'/ {s += $2}')
-        echo $res
+	local res=$(lctl get_param -n osc.*.osc_stats |
+		awk '/^'"$1"'/ {sum += $2} END { printf("%0.0f", sum) }')
+	echo $((res))
 }
 
 calc_sum () {
-        awk 'BEGIN {s = 0}; {s += $1}; END {print s}'
+	awk '{sum += $1} END { printf("%0.0f", sum) }'
 }
 
 calc_osc_kbytes () {
@@ -5421,50 +5714,15 @@ restore_lustre_params() {
 }
 
 check_catastrophe() {
-	local rnodes=${1:-$(comma_list $(remote_nodes_list))}
-	local C=$CATASTROPHE
-	[ -f $C ] && [ $(cat $C) -ne 0 ] && return 1
-
-	[ -z "$rnodes" ] && return 0
-
-	local data
-	data=$(do_nodes "$rnodes" "rc=\\\$([ -f $C ] &&
-		echo \\\$(< $C) || echo 0);
-		if [ \\\$rc -ne 0 ]; then echo \\\$(hostname): \\\$rc; fi
-		exit \\\$rc")
-	local rc=$?
-	if [ -n "$data" ]; then
-	    echo $data
-	    return $rc
-	fi
-	return 0
-}
-
-# CMD: determine mds index where directory inode presents
-get_mds_dir () {
-    local dir=$1
-    local file=$dir/f0.get_mds_dir_tmpfile
-
-    mkdir -p $dir
-    rm -f $file
-    sleep 1
-    local iused=$(lfs df -i $dir | grep MDT | awk '{print $3}')
-    local -a oldused=($iused)
+	local nodes=${1:-$(comma_list $(nodes_list))}
 
-    openfile -f O_CREAT:O_LOV_DELAY_CREATE -m 0644 $file > /dev/null
-    sleep 1
-    iused=$(lfs df -i $dir | grep MDT | awk '{print $3}')
-    local -a newused=($iused)
-
-    local num=0
-    for ((i=0; i<${#newused[@]}; i++)); do
-         if [ ${oldused[$i]} -lt ${newused[$i]} ];  then
-             echo $(( i + 1 ))
-             rm -f $file
-             return 0
-         fi
-    done
-    error "mdt-s : inodes count OLD ${oldused[@]} NEW ${newused[@]}"
+	do_nodes $nodes "rc=0;
+val=\\\$($LCTL get_param -n catastrophe 2>&1);
+if [[ \\\$? -eq 0 && \\\$val -ne 0 ]]; then
+	echo \\\$(hostname -s): \\\$val;
+	rc=\\\$val;
+fi;
+exit \\\$rc"
 }
 
 mdsrate_cleanup () {
@@ -5499,17 +5757,7 @@ convert_facet2label() {
 }
 
 get_clientosc_proc_path() {
-    echo "${1}-osc-*"
-}
-
-get_lustre_version () {
-    local facet=${1:-"$SINGLEMDS"}    
-    do_facet $facet $LCTL get_param -n version | awk '/^lustre:/ {print $2}'
-}
-
-lustre_version_code() {
-    local facet=${1:-"$SINGLEMDS"}
-    version_code $(get_lustre_version $1)
+	echo "${1}-osc-*"
 }
 
 # If the 2.0 MDS was mounted on 1.8 device, then the OSC and LOV names
@@ -5645,39 +5893,34 @@ request_timeout () {
 }
 
 _wait_osc_import_state() {
-    local facet=$1
-    local ost_facet=$2
-    local expected=$3
-    local ost=$(get_osc_import_name $facet $ost_facet)
-
+	local facet=$1
+	local ost_facet=$2
+	local expected=$3
+	local ost=$(get_osc_import_name $facet $ost_facet)
 	local param="osc.${ost}.ost_server_uuid"
+	local params=$param
 	local i=0
 
-    # 1. wait the deadline of client 1st request (it could be skipped)
-    # 2. wait the deadline of client 2nd request
-    local maxtime=$(( 2 * $(request_timeout $facet)))
-
-	#During setup time, the osc might not be setup, it need wait
-	#until list_param can return valid value. And also if there
-	#are mulitple osc entries we should list all of them before
-	#go to wait.
-	local params=$($LCTL list_param $param 2>/dev/null || true)
-	while [ -z "$params" ]; do
-		if [ $i -ge $maxtime ]; then
-			echo "can't get $param by list_param in $maxtime secs"
-			if [[ $facet != client* ]]; then
-				echo "Go with $param directly"
-				params=$param
-				break
-			else
+	# 1. wait the deadline of client 1st request (it could be skipped)
+	# 2. wait the deadline of client 2nd request
+	local maxtime=$(( 2 * $(request_timeout $facet)))
+
+	if [[ $facet == client* ]]; then
+		# During setup time, the osc might not be setup, it need wait
+		# until list_param can return valid value. And also if there
+		# are mulitple osc entries we should list all of them before
+		# go to wait.
+		params=$($LCTL list_param $param 2>/dev/null || true)
+		while [ -z "$params" ]; do
+			if [ $i -ge $maxtime ]; then
+				echo "can't get $param in $maxtime secs"
 				return 1
 			fi
-		fi
-		sleep 1
-		i=$((i + 1))
-		params=$($LCTL list_param $param 2>/dev/null || true)
-	done
-
+			sleep 1
+			i=$((i + 1))
+			params=$($LCTL list_param $param 2>/dev/null || true)
+		done
+	fi
 	if ! do_rpc_nodes "$(facet_active_host $facet)" \
 			wait_import_state $expected "$params" $maxtime; then
 		error "import is not in ${expected} state"
@@ -5706,6 +5949,10 @@ get_clientmdc_proc_path() {
     echo "${1}-mdc-*"
 }
 
+get_clientmgc_proc_path() {
+    echo "*"
+}
+
 do_rpc_nodes () {
 	local list=$1
 	shift
@@ -5720,28 +5967,34 @@ do_rpc_nodes () {
 }
 
 wait_clients_import_state () {
-    local list=$1
-    local facet=$2
-    local expected=$3
+	local list=$1
+	local facet=$2
+	local expected=$3
 
-    local facets=$facet
+	local facets=$facet
 
-    if [ "$FAILURE_MODE" = HARD ]; then
-        facets=$(facets_on_host $(facet_active_host $facet))
-    fi
+	if [ "$FAILURE_MODE" = HARD ]; then
+		facets=$(facets_on_host $(facet_active_host $facet))
+	fi
 
-    for facet in ${facets//,/ }; do
-    local label=$(convert_facet2label $facet)
-    local proc_path
-    case $facet in
-        ost* ) proc_path="osc.$(get_clientosc_proc_path $label).ost_server_uuid" ;;
-        mds* ) proc_path="mdc.$(get_clientmdc_proc_path $label).mds_server_uuid" ;;
-        *) error "unknown facet!" ;;
-    esac
-    local params=$(expand_list $params $proc_path)
-    done
+	for facet in ${facets//,/ }; do
+		local label=$(convert_facet2label $facet)
+		local proc_path
+		case $facet in
+		ost* ) proc_path="osc.$(get_clientosc_proc_path \
+				  $label).ost_server_uuid" ;;
+		mds* ) proc_path="mdc.$(get_clientmdc_proc_path \
+				  $label).mds_server_uuid" ;;
+		mgs* ) proc_path="mgc.$(get_clientmgc_proc_path \
+				  $label).mgs_server_uuid" ;;
+		*) error "unknown facet!" ;;
+		esac
+
+		local params=$(expand_list $params $proc_path)
+	done
 
-	if ! do_rpc_nodes "$list" wait_import_state_mount $expected $params; then
+	if ! do_rpc_nodes "$list" wait_import_state_mount $expected $params;
+	then
 		error "import is not in ${expected} state"
 		return 1
 	fi
@@ -5928,22 +6181,23 @@ do_ls () {
     return $rc
 }
 
-# target_start_and_reset_recovery_timer()
-#        service_time = at_est2timeout(service_time);
-#        service_time += 2 * (CONNECTION_SWITCH_MAX + CONNECTION_SWITCH_INC +
-#                             INITIAL_CONNECT_TIMEOUT);
-# CONNECTION_SWITCH_MAX : min(25U, max(CONNECTION_SWITCH_MIN,obd_timeout))
-#define CONNECTION_SWITCH_INC 1
-#define INITIAL_CONNECT_TIMEOUT max(CONNECTION_SWITCH_MIN,obd_timeout/20)
-#define CONNECTION_SWITCH_MIN 5U
+# check_and_start_recovery_timer()
+#	service_time = at_est2timeout(service_time);
+#	service_time += 2 * INITIAL_CONNECT_TIMEOUT;
+#	service_time += 2 * (CONNECTION_SWITCH_MAX + CONNECTION_SWITCH_INC);
 
-max_recovery_time () {
-    local init_connect_timeout=$(( TIMEOUT / 20 ))
-    [[ $init_connect_timeout -ge 5 ]] || init_connect_timeout=5
+#define INITIAL_CONNECT_TIMEOUT max(CONNECTION_SWITCH_MIN, obd_timeout/20)
+#define CONNECTION_SWITCH_MAX min(50, max(CONNECTION_SWITCH_MIN, obd_timeout))
+#define CONNECTION_SWITCH_MIN 5
+#define CONNECTION_SWITCH_INC 5
+max_recovery_time() {
+	local init_connect_timeout=$((TIMEOUT / 20))
+	((init_connect_timeout >= 5)) || init_connect_timeout=5
 
-    local service_time=$(( $(at_max_get client) + $(( 2 * $(( 25 + 1  + init_connect_timeout)) )) ))
+	local service_time=$(($(at_max_get client) * 9 / 4 + 5))
+	service_time=$((service_time + 2 * (init_connect_timeout + 50 + 5)))
 
-    echo $service_time 
+	echo -n $service_time
 }
 
 get_clients_mount_count () {
@@ -6691,49 +6945,46 @@ generate_logname() {
 
 # make directory on different MDTs
 test_mkdir() {
-	local option
-	local parent
-	local child
 	local path
-	local rc=0
-
-	case $# in
-		1) path=$1;;
-		2) option=$1
-		   path=$2;;
-		*) error "Only creating single directory is supported";;
-	esac
+	local p_option
+	local stripe_count=2
+	local stripe_index=-1
+	local OPTIND=1
+
+	while getopts "c:i:p" opt; do
+		case $opt in
+			c) stripe_count=$OPTARG;;
+			i) stripe_index=$OPTARG;;
+			p) p_option="-p";;
+			\?) error "only support -i -c -p";;
+		esac
+	done
 
-	child=$(basename $path)
-	parent=$(dirname $path)
+	shift $((OPTIND - 1))
+	[ $# -eq 1 ] || error "Only creating single directory is supported"
+	path="$*"
 
-	if [ "$option" == "-p" -a -d $parent/$child ]; then
-		return $rc
-	fi
+	if [ "$p_option" == "-p" ]; then
+		local parent=$(dirname $path)
 
-	if [ ! -d ${parent} ]; then
-		if [ "$option" == "-p" ]; then
-			mkdir -p ${parent}
-		else
-			return 1
-		fi
+		[ -d $path ] && return 0
+		[ ! -d ${parent} ] && mkdir -p ${parent}
 	fi
 
 	if [ $MDSCOUNT -le 1 ]; then
-		mkdir $option $parent/$child || rc=$?
+		mkdir $path
 	else
-		local mdt_idx=$($LFS getstripe -M $parent)
 		local test_num=$(echo $testnum | sed -e 's/[^0-9]*//g')
+		local mdt_index
 
-		if [ "$mdt_idx" -ne 0 ]; then
-			mkdir $option $parent/$child || rc=$?
+		if [ $stripe_index -eq -1 ]; then
+			mdt_index=$((test_num % MDSCOUNT))
 		else
-			mdt_idx=$((test_num % MDSCOUNT))
-			echo "mkdir $mdt_idx for $parent/$child"
-			$LFS setdirstripe -i $mdt_idx $parent/$child || rc=$?
+			mdt_index=$stripe_index
 		fi
+		echo "striped dir -i$mdt_index -c$stripe_count $path"
+		$LFS setdirstripe -i$mdt_index -c$stripe_count $path
 	fi
-	return $rc
 }
 
 # find the smallest and not in use file descriptor
@@ -6747,3 +6998,332 @@ free_fd()
         [ $fd -lt $max_fd ] || error "finding free file descriptor failed"
         echo $fd
 }
+
+check_mount_and_prep()
+{
+	is_mounted $MOUNT || setupall
+
+	rm -rf $DIR/[df][0-9]* || error "Fail to cleanup the env!"
+	mkdir $DIR/$tdir || error "Fail to mkdir $DIR/$tdir."
+	for idx in $(seq $MDSCOUNT); do
+		local name="MDT$(printf '%04x' $((idx - 1)))"
+		rm -rf $MOUNT/.lustre/lost+found/$name/*
+	done
+}
+
+# calcule how many ost-objects to be created.
+precreated_ost_obj_count()
+{
+	local mdt_idx=$1
+	local ost_idx=$2
+	local mdt_name="MDT$(printf '%04x' $mdt_idx)"
+	local ost_name="OST$(printf '%04x' $ost_idx)"
+	local proc_path="${FSNAME}-${ost_name}-osc-${mdt_name}"
+	local last_id=$(do_facet mds$((mdt_idx + 1)) lctl get_param -n \
+			osp.$proc_path.prealloc_last_id)
+	local next_id=$(do_facet mds$((mdt_idx + 1)) lctl get_param -n \
+			osp.$proc_path.prealloc_next_id)
+	echo $((last_id - next_id + 1))
+}
+
+check_file_in_pool()
+{
+	local file=$1
+	local pool=$2
+	local tlist="$3"
+	local res=$($GETSTRIPE $file | grep 0x | cut -f2)
+	for i in $res
+	do
+		for t in $tlist ; do
+			[ "$i" -eq "$t" ] && continue 2
+		done
+
+		echo "pool list: $tlist"
+		echo "striping: $res"
+		error_noexit "$file not allocated in $pool"
+		return 1
+	done
+	return 0
+}
+
+pool_add() {
+	echo "Creating new pool"
+	local pool=$1
+
+	create_pool $FSNAME.$pool ||
+		{ error_noexit "No pool created, result code $?"; return 1; }
+	[ $($LFS pool_list $FSNAME | grep -c $pool) -eq 1 ] ||
+		{ error_noexit "$pool not in lfs pool_list"; return 2; }
+}
+
+pool_add_targets() {
+	echo "Adding targets to pool"
+	local pool=$1
+	local first=$2
+	local last=$3
+	local step=${4:-1}
+
+	local list=$(seq $first $step $last)
+
+	local t=$(for i in $list; do printf "$FSNAME-OST%04x_UUID " $i; done)
+	do_facet mgs $LCTL pool_add \
+			$FSNAME.$pool $FSNAME-OST[$first-$last/$step]
+	wait_update $HOSTNAME "lctl get_param -n lov.$FSNAME-*.pools.$pool \
+			| sort -u | tr '\n' ' ' " "$t" || {
+		error_noexit "Add to pool failed"
+		return 1
+	}
+	local lfscount=$($LFS pool_list $FSNAME.$pool | grep -c "\-OST")
+	local addcount=$(((last - first) / step + 1))
+	[ $lfscount -eq $addcount ] || {
+		error_noexit "lfs pool_list bad ost count" \
+						"$lfscount != $addcount"
+		return 2
+	}
+}
+
+pool_set_dir() {
+	local pool=$1
+	local tdir=$2
+	echo "Setting pool on directory $tdir"
+
+	$SETSTRIPE -c 2 -p $pool $tdir && return 0
+
+	error_noexit "Cannot set pool $pool to $tdir"
+	return 1
+}
+
+pool_check_dir() {
+	local pool=$1
+	local tdir=$2
+	echo "Checking pool on directory $tdir"
+
+	local res=$($GETSTRIPE --pool $tdir | sed "s/\s*$//")
+	[ "$res" = "$pool" ] && return 0
+
+	error_noexit "Pool on '$tdir' is '$res', not '$pool'"
+	return 1
+}
+
+pool_dir_rel_path() {
+	echo "Testing relative path works well"
+	local pool=$1
+	local tdir=$2
+	local root=$3
+
+	mkdir -p $root/$tdir/$tdir
+	cd $root/$tdir
+	pool_set_dir $pool $tdir          || return 1
+	pool_set_dir $pool ./$tdir        || return 2
+	pool_set_dir $pool ../$tdir       || return 3
+	pool_set_dir $pool ../$tdir/$tdir || return 4
+	rm -rf $tdir; cd - > /dev/null
+}
+
+pool_alloc_files() {
+	echo "Checking files allocation from directory pool"
+	local pool=$1
+	local tdir=$2
+	local count=$3
+	local tlist="$4"
+
+	local failed=0
+	for i in $(seq -w 1 $count)
+	do
+		local file=$tdir/file-$i
+		touch $file
+		check_file_in_pool $file $pool "$tlist" || \
+			failed=$((failed + 1))
+	done
+	[ "$failed" = 0 ] && return 0
+
+	error_noexit "$failed files not allocated in $pool"
+	return 1
+}
+
+pool_create_files() {
+	echo "Creating files in pool"
+	local pool=$1
+	local tdir=$2
+	local count=$3
+	local tlist="$4"
+
+	mkdir -p $tdir
+	local failed=0
+	for i in $(seq -w 1 $count)
+	do
+		local file=$tdir/spoo-$i
+		$SETSTRIPE -p $pool $file
+		check_file_in_pool $file $pool "$tlist" || \
+			failed=$((failed + 1))
+	done
+	[ "$failed" = 0 ] && return 0
+
+	error_noexit "$failed files not allocated in $pool"
+	return 1
+}
+
+pool_lfs_df() {
+	echo "Checking 'lfs df' output"
+	local pool=$1
+
+	local t=$($LCTL get_param -n lov.$FSNAME-clilov-*.pools.$pool |
+			tr '\n' ' ')
+	local res=$($LFS df --pool $FSNAME.$pool |
+			awk '{print $1}' |
+			grep "$FSNAME-OST" |
+			tr '\n' ' ')
+	[ "$res" = "$t" ] && return 0
+
+	error_noexit "Pools OSTs '$t' is not '$res' that lfs df reports"
+	return 1
+}
+
+pool_file_rel_path() {
+	echo "Creating files in a pool with relative pathname"
+	local pool=$1
+	local tdir=$2
+
+	mkdir -p $tdir ||
+		{ error_noexit "unable to create $tdir"; return 1 ; }
+	local file="/..$tdir/$tfile-1"
+	$SETSTRIPE -p $pool $file ||
+		{ error_noexit "unable to create $file" ; return 2 ; }
+
+	cd $tdir
+	$SETSTRIPE -p $pool $tfile-2 || {
+		error_noexit "unable to create $tfile-2 in $tdir"
+		return 3
+	}
+}
+
+pool_remove_first_target() {
+	echo "Removing first target from a pool"
+	local pool=$1
+
+	local pname="lov.$FSNAME-*.pools.$pool"
+	local t=$($LCTL get_param -n $pname | head -1)
+	do_facet mgs $LCTL pool_remove $FSNAME.$pool $t
+	wait_update $HOSTNAME "lctl get_param -n $pname | grep $t" "" || {
+		error_noexit "$t not removed from $FSNAME.$pool"
+		return 1
+	}
+}
+
+pool_remove_all_targets() {
+	echo "Removing all targets from pool"
+	local pool=$1
+	local file=$2
+	local pname="lov.$FSNAME-*.pools.$pool"
+	for t in $($LCTL get_param -n $pname | sort -u)
+	do
+		do_facet mgs $LCTL pool_remove $FSNAME.$pool $t
+	done
+	wait_update $HOSTNAME "lctl get_param -n $pname" "" || {
+		error_noexit "Pool $FSNAME.$pool cannot be drained"
+		return 1
+	}
+	# striping on an empty/nonexistant pool should fall back
+	# to "pool of everything"
+	touch $file || {
+		error_noexit "failed to use fallback striping for empty pool"
+		return 2
+	}
+	# setstripe on an empty pool should fail
+	$SETSTRIPE -p $pool $file 2>/dev/null && {
+		error_noexit "expected failure when creating file" \
+							"with empty pool"
+		return 3
+	}
+	return 0
+}
+
+pool_remove() {
+	echo "Destroying pool"
+	local pool=$1
+	local file=$2
+
+	do_facet mgs $LCTL pool_destroy $FSNAME.$pool
+
+	sleep 2
+	# striping on an empty/nonexistant pool should fall back
+	# to "pool of everything"
+	touch $file || {
+		error_noexit "failed to use fallback striping for missing pool"
+		return 1
+	}
+	# setstripe on an empty pool should fail
+	$SETSTRIPE -p $pool $file 2>/dev/null && {
+		error_noexit "expected failure when creating file" \
+							"with missing pool"
+		return 2
+	}
+
+	# get param should return err once pool is gone
+	if wait_update $HOSTNAME "lctl get_param -n \
+		lov.$FSNAME-*.pools.$pool 2>/dev/null || echo foo" "foo"
+	then
+		remove_pool_from_list $FSNAME.$pool
+		return 0
+	fi
+	error_noexit "Pool $FSNAME.$pool is not destroyed"
+	return 3
+}
+
+# Get and check the actual stripe count of one file.
+# Usage: check_stripe_count <file> <expected_stripe_count>
+check_stripe_count() {
+	local file=$1
+	local expected=$2
+	local actual
+
+	[[ -z "$file" || -z "$expected" ]] &&
+		error "check_stripe_count: invalid argument"
+
+	local cmd="$GETSTRIPE -c $file"
+	actual=$($cmd) || error "$cmd failed"
+	actual=${actual%% *}
+
+	if [[ $actual -ne $expected ]]; then
+		[[ $expected -eq -1 ]] ||
+			error "$cmd wrong: found $actual, expected $expected"
+		[[ $actual -eq $OSTCOUNT ]] ||
+			error "$cmd wrong: found $actual, expected $OSTCOUNT"
+	fi
+}
+
+# Get and check the actual list of OST indices on one file.
+# Usage: check_obdidx <file> <expected_comma_separated_list_of_ost_indices>
+check_obdidx() {
+	local file=$1
+	local expected=$2
+	local obdidx
+
+	[[ -z "$file" || -z "$expected" ]] &&
+		error "check_obdidx: invalid argument!"
+
+	obdidx=$(comma_list $($GETSTRIPE $file | grep -A $OSTCOUNT obdidx |
+			      grep -v obdidx | awk '{print $1}' | xargs))
+
+	[[ $obdidx = $expected ]] ||
+		error "list of OST indices on $file is $obdidx," \
+		      "should be $expected"
+}
+
+# Get and check the actual OST index of the first stripe on one file.
+# Usage: check_start_ost_idx <file> <expected_start_ost_idx>
+check_start_ost_idx() {
+	local file=$1
+	local expected=$2
+	local start_ost_idx
+
+	[[ -z "$file" || -z "$expected" ]] &&
+		error "check_start_ost_idx: invalid argument!"
+
+	start_ost_idx=$($GETSTRIPE $file | grep -A 1 obdidx | grep -v obdidx |
+			awk '{print $1}')
+
+	[[ $start_ost_idx = $expected ]] ||
+		error "OST index of the first stripe on $file is" \
+		      "$start_ost_idx, should be $expected"
+}