X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Ftests%2Frecovery-small.sh;h=6b1c7d14af342f2f2f82e80a915ca2d1a6ab3822;hp=43507fdeb99e2e9d7d12d88c85a3fd3a92ef43b6;hb=dad9ce41f34812a71a542ed2c86be5be746510a7;hpb=fc2e06325690234c31ccb9a5bfc570bd17641a6f

diff --git a/lustre/tests/recovery-small.sh b/lustre/tests/recovery-small.sh
index 43507fd..6b1c7d1 100755
--- a/lustre/tests/recovery-small.sh
+++ b/lustre/tests/recovery-small.sh
@@ -2,9 +2,10 @@
 
 set -e
 
-#         bug  5494 7288 5493
-ALWAYS_EXCEPT="24   27   52 $RECOVERY_SMALL_EXCEPT"
+#         bug  5493  LU2034
+ALWAYS_EXCEPT="52    60      $RECOVERY_SMALL_EXCEPT"
 
+export MULTIOP=${MULTIOP:-multiop}
 PTLDEBUG=${PTLDEBUG:--1}
 LUSTRE=${LUSTRE:-`dirname $0`/..}
 . $LUSTRE/tests/test-framework.sh
@@ -12,18 +13,11 @@ init_test_env $@
 . ${CONFIG:=$LUSTRE/tests/cfg/$NAME.sh}
 init_logging
 
-if [ "$FAILURE_MODE" = "HARD" ] && mixed_ost_devs; then
-    CONFIG_EXCEPTIONS="52"
-    echo -n "Several ost services on one ost node are used with FAILURE_MODE=$FAILURE_MODE. "
-    echo "Except the tests: $CONFIG_EXCEPTIONS"
-    ALWAYS_EXCEPT="$ALWAYS_EXCEPT $CONFIG_EXCEPTIONS"
-fi
-
 require_dsh_mds || exit 0
 
 # also long tests: 19, 21a, 21e, 21f, 23, 27
-#                                   1  2.5  2.5    4    4          (min)"
-[ "$SLOW" = "no" ] && EXCEPT_SLOW="17  26a  26b    50   51     57"
+
+[ "$SLOW" = "no" ] && EXCEPT_SLOW=""
 
 build_test_filter
 
@@ -35,64 +29,90 @@ CLEANUP=${CLEANUP:-""}
 check_and_setup_lustre
 
 assert_DIR
-rm -rf $DIR/[df][0-9]*
+rm -rf $DIR/d[0-9]* $DIR/f.${TESTSUITE}*
 
 test_1() {
-    drop_request "mcreate $DIR/f1"  || return 1
-    drop_reint_reply "mcreate $DIR/f2"    || return 2
-}
-run_test 1 "mcreate: drop req, drop rep"
+	local f1="$DIR/$tfile"
+	local f2="$DIR/$tfile.2"
 
-test_2() {
-    drop_request "tchmod 111 $DIR/f2"  || return 1
-    drop_reint_reply "tchmod 666 $DIR/f2"    || return 2
-}
-run_test 2 "chmod: drop req, drop rep"
+	drop_request "mcreate $f1" ||
+		error_noexit "create '$f1': drop req"
 
-test_3() {
-    drop_request "statone $DIR/f2" || return 1
-    drop_reply "statone $DIR/f2"   || return 2
-}
-run_test 3 "stat: drop req, drop rep"
+	drop_reint_reply "mcreate $f2" ||
+		error_noexit "create '$f2': drop rep"
+
+	drop_request "tchmod 111 $f2" ||
+		error_noexit "chmod '$f2': drop req"
+
+	drop_reint_reply "tchmod 666 $f2" ||
+		error_noexit "chmod '$f2': drop rep"
+
+	drop_request "statone $f2" ||
+		error_noexit "stat '$f2': drop req"
 
-SAMPLE_NAME=f0.recovery-small.junk
-SAMPLE_FILE=$TMP/$SAMPLE_NAME
-# make this big, else test 9 doesn't wait for bulk -- bz 5595
-dd if=/dev/urandom of=$SAMPLE_FILE bs=1M count=4
+	drop_reply  "statone $f2" ||
+		error_noexit "stat '$f2': drop rep"
+}
+run_test 1 "create, chmod, stat: drop req, drop rep"
 
 test_4() {
-    do_facet client "cp $SAMPLE_FILE $DIR/$SAMPLE_NAME" || return 1
-    drop_request "cat $DIR/$SAMPLE_NAME > /dev/null"   || return 2
-    drop_reply "cat $DIR/$SAMPLE_NAME > /dev/null"     || return 3
+	local t=$DIR/$tfile
+	do_facet_create_file client $t 10K ||
+		error_noexit "Create file $t"
+
+	drop_request "cat $t > /dev/null" ||
+		error_noexit "Open request for $t file"
+
+	drop_reply "cat $t > /dev/null" ||
+		error_noexit "Open replay for $t file"
 }
 run_test 4 "open: drop req, drop rep"
 
-RENAMED_AGAIN=$DIR/f0.renamed-again
-
 test_5() {
-    drop_request "mv $DIR/$SAMPLE_NAME $DIR/$tfile-renamed" || return 1
-    drop_reint_reply "mv $DIR/$tfile-renamed $RENAMED_AGAIN" || return 2
-    do_facet client "checkstat -v $RENAMED_AGAIN"  || return 3
+	local T=$DIR/$tfile
+	local R="$T-renamed"
+	local RR="$T-renamed-again"
+	do_facet_create_file client $T 10K ||
+		error_noexit "Create file $T"
+
+	drop_request "mv $T $R" ||
+		error_noexit "Rename $T"
+
+	drop_reint_reply "mv $R $RR" ||
+		error_noexit "Failed rename replay on $R"
+
+	do_facet client "checkstat -v $RR" ||
+		error_noexit "checkstat error on $RR"
+
+	do_facet client "rm $RR" ||
+		error_noexit "Can't remove file $RR"
 }
 run_test 5 "rename: drop req, drop rep"
 
-[ ! -e $RENAMED_AGAIN ] && cp $SAMPLE_FILE $RENAMED_AGAIN
-LINK1=$DIR/f0.link1
-LINK2=$DIR/f0.link2
-
 test_6() {
-    drop_request "mlink $RENAMED_AGAIN $LINK1" || return 1
-    drop_reint_reply "mlink $RENAMED_AGAIN $LINK2"   || return 2
-}
-run_test 6 "link: drop req, drop rep"
+	local T=$DIR/$tfile
+	local LINK1=$DIR/$tfile.link1
+	local LINK2=$DIR/$tfile.link2
+
+	do_facet_create_file client $T 10K ||
+		error_noexit "Create file $T"
+
+	drop_request "mlink $T $LINK1" ||
+		error_noexit "mlink request for $T"
 
-[ ! -e $LINK1 ] && mlink $RENAMED_AGAIN $LINK1
-[ ! -e $LINK2 ] && mlink $RENAMED_AGAIN $LINK2
-test_7() {
-    drop_request "munlink $LINK1"   || return 1
-    drop_reint_reply "munlink $LINK2"     || return 2
+	drop_reint_reply "mlink $T $LINK2" ||
+		error_noexit "mlink reply for $T"
+
+	drop_request "munlink $LINK1" ||
+		error_noexit "munlink request for $T"
+
+	drop_reint_reply "munlink $LINK2" ||
+		error_noexit "munlink reply for $T"
+
+	do_facet client "rm $T" ||
+		error_noexit "Can't remove file $T"
 }
-run_test 7 "unlink: drop req, drop rep"
+run_test 6 "link, unlink: drop req, drop rep"
 
 #bug 1423
 test_8() {
@@ -102,67 +122,255 @@ run_test 8 "touch: drop rep (bug 1423)"
 
 #bug 1420
 test_9() {
-    remote_ost_nodsh && skip "remote OST with nodsh" && return 0
+	remote_ost_nodsh && skip "remote OST with nodsh" && return 0
 
-    pause_bulk "cp /etc/profile $DIR/$tfile"       || return 1
-    do_facet client "cp $SAMPLE_FILE $DIR/${tfile}.2"  || return 2
-    do_facet client "sync"
-    do_facet client "rm $DIR/$tfile $DIR/${tfile}.2" || return 3
+	local t1=${tfile}.1
+	local t2=${tfile}.2
+	do_facet_random_file client $TMP/$tfile 1K ||
+		error_noexit "Create random file $TMP/$tfile"
+	# make this big, else test 9 doesn't wait for bulk -- bz 5595
+	do_facet_create_file client $TMP/$t1 4M ||
+		error_noexit "Create file $TMP/$t1"
+	do_facet client "cp $TMP/$t1 $DIR/$t1" ||
+		error_noexit "Can't copy to $DIR/$t1 file"
+	pause_bulk "cp $TMP/$tfile $DIR/$tfile" ||
+		error_noexit "Can't pause_bulk copy"
+	do_facet client "cp $TMP/$t1 $DIR/$t2" ||
+		error_noexit "Can't copy file"
+	do_facet client "sync"
+	do_facet client "rm $DIR/$tfile $DIR/$t2 $DIR/$t1" ||
+		error_noexit "Can't remove files"
+	do_facet client "rm $TMP/$t1 $TMP/$tfile"
 }
 run_test 9 "pause bulk on OST (bug 1420)"
 
 #bug 1521
-test_10() {
-    do_facet client mcreate $DIR/$tfile        || return 1
-    drop_bl_callback "chmod 0777 $DIR/$tfile"  || echo "evicted as expected"
-    # wait for the mds to evict the client
-    #echo "sleep $(($TIMEOUT*2))"
-    #sleep $(($TIMEOUT*2))
-    do_facet client touch $DIR/$tfile || echo "touch failed, evicted"
-    do_facet client checkstat -v -p 0777 $DIR/$tfile  || return 3
-    do_facet client "munlink $DIR/$tfile"
-}
-run_test 10 "finish request on server after client eviction (bug 1521)"
+test_10a() {
+	local before=$(date +%s)
+	local evict
+
+	do_facet client "stat $DIR > /dev/null"  ||
+		error "failed to stat $DIR: $?"
+	drop_bl_callback "chmod 0777 $DIR" ||
+		error "failed to chmod $DIR: $?"
+
+	# let the client reconnect
+	client_reconnect
+	evict=$(do_facet client $LCTL get_param mdc.$FSNAME-MDT*.state |
+	  awk -F"[ [,]" '/EVICTED ]$/ { if (mx<$5) {mx=$5;} } END { print mx }')
+	[ ! -z "$evict" ] && [[ $evict -gt $before ]] ||
+		(do_facet client $LCTL get_param mdc.$FSNAME-MDT*.state;
+		    error "no eviction: $evict before:$before")
+
+	do_facet client checkstat -v -p 0777 $DIR ||
+		error "client checkstat failed: $?"
+}
+run_test 10a "finish request on server after client eviction (bug 1521)"
+
+test_10b() {
+	local before=$(date +%s)
+	local evict
+
+	[[ $(lustre_version_code $SINGLEMDS) -lt $(version_code 2.6.53) ]] &&
+		skip "Need MDS version at least 2.6.53" && return
+	do_facet client "stat $DIR > /dev/null"  ||
+		error "failed to stat $DIR: $?"
+	drop_bl_callback_once "chmod 0777 $DIR" ||
+		error "failed to chmod $DIR: $?"
+
+	# let the client reconnect
+	client_reconnect
+	evict=$(do_facet client $LCTL get_param mdc.$FSNAME-MDT*.state |
+	  awk -F"[ [,]" '/EVICTED ]$/ { if (mx<$5) {mx=$5;} } END { print mx }')
+
+	[ -z "$evict" ] || [[ $evict -le $before ]] ||
+		(do_facet client $LCTL get_param mdc.$FSNAME-MDT*.state;
+		    error "eviction happened: $evict before:$before")
+
+	do_facet client checkstat -v -p 0777 $DIR ||
+ 		error "client checkstat failed: $?"
+}
+run_test 10b "re-send BL AST"
+
+test_10c() {
+	local before=$(date +%s)
+	local evict
+	local mdccli
+	local mdcpath
+	local conn_uuid
+	local workdir
+	local pid
+	local rc
+
+	workdir="${DIR}/${tdir}"
+	mkdir -p ${workdir} || error "can't create workdir $?"
+	stat ${workdir} > /dev/null ||
+		error "failed to stat ${workdir}: $?"
+	mdtidx=$($LFS getdirstripe -i ${workdir})
+	mdtname=$($LFS mdts ${workdir} | grep -e "^$mdtidx:" |
+		  awk '{sub("_UUID", "", $2); print $2;}')
+	#assume one client
+	mdccli=$($LCTL dl | grep "${mdtname}-mdc" | awk '{print $4;}')
+	conn_uuid=$($LCTL get_param -n mdc.${mdccli}.mds_conn_uuid)
+	mdcpath="mdc.${mdccli}.import=connection=${conn_uuid}"
+
+	drop_bl_callback_once "chmod 0777 ${workdir}" &
+	pid=$!
+
+	# let chmod blocked
+	sleep 1
+	# force client reconnect
+	$LCTL set_param "${mdcpath}"
+
+	# wait client reconnect
+	client_reconnect
+	wait $pid
+	rc=$?
+	evict=$($LCTL get_param mdc.${mdccli}.state |
+	   awk -F"[ [,]" '/EVICTED]$/ { if (t<$4) {t=$4;} } END { print t }')
+
+	[[ $evict -le $before ]] ||
+		( $LCTL get_param mdc.$FSNAME-MDT*.state;
+		    error "eviction happened: $EVICT before:$BEFORE" )
+
+	[ $rc -eq 0 ] || error "chmod must finished OK"
+	checkstat -v -p 0777 "${workdir}" ||
+		error "client checkstat failed: $?"
+}
+run_test 10c "re-send BL AST vs reconnect race (LU-5569)"
+
+test_10d() {
+	local before=$(date +%s)
+	local evict
+
+	[[ $(lustre_version_code $SINGLEMDS) -lt $(version_code 2.6.90) ]] &&
+		skip "Need MDS version at least 2.6.90" && return
+
+	# sleep 1 is to make sure that BEFORE is not equal to EVICTED below
+	sleep 1
+	rm -f $TMP/$tfile
+	echo -n ", world" | dd of=$TMP/$tfile bs=1c seek=5
+
+	remount_client $MOUNT
+	mount_client $MOUNT2
+
+	cancel_lru_locks osc
+	$LFS setstripe -i 0 -c 1 $DIR1/$tfile
+	echo -n hello | dd of=$DIR1/$tfile bs=5
+
+	stat $DIR2/$tfile >& /dev/null
+	$LCTL set_param fail_err=71
+	drop_bl_callback "echo -n \\\", world\\\" >> $DIR2/$tfile"
+
+	client_reconnect
+
+	cancel_lru_locks osc
+	cmp -l $DIR1/$tfile $DIR2/$tfile || error "file contents differ"
+	cmp -l $DIR1/$tfile $TMP/$tfile || error "wrong content found"
+
+	evict=$(do_facet client $LCTL get_param osc.$FSNAME-OST0000*.state | \
+		tr -d '\-\[\] ' | \
+	  awk -F"[ [,]" '/EVICTED$/ { if (mx<$1) {mx=$1;} } END { print mx }')
+
+	[[ $evict -gt $before ]] ||
+		(do_facet client $LCTL get_param osc.$FSNAME-OST0000*.state;
+		    error "no eviction: $evict before:$before")
+
+	$LCTL set_param fail_err=0
+	rm $TMP/$tfile
+	umount_client $MOUNT2
+}
+run_test 10d "test failed blocking ast"
+
+test_10e()
+{
+	[[ $(lustre_version_code ost1) -le $(version_code 2.8.58) ]] &&
+		skip "Need OST version at least 2.8.59" && return 0
+	[ $CLIENTCOUNT -lt 2 ] && skip "need two clients" && return 0
+	[ $(facet_host client) == $(facet_host ost1) ] &&
+		skip "need ost1 and client on different nodes" && return 0
+	local -a clients=(${CLIENTS//,/ })
+	local client1=${clients[0]}
+	local client2=${clients[1]}
+
+	$LFS setstripe -c 1 -i 0 $DIR/$tfile-1 $DIR/$tfile-2
+	$MULTIOP $DIR/$tfile-1 Ow1048576c
+
+#define OBD_FAIL_LDLM_BL_CALLBACK_NET                   0x305
+	$LCTL set_param fail_loc=0x80000305
+
+#define OBD_FAIL_LDLM_ENQUEUE_OLD_EXPORT 0x30e
+	do_facet ost1 "$LCTL set_param fail_loc=0x1000030e"
+	# hit OBD_FAIL_LDLM_ENQUEUE_OLD_EXPORT twice:
+	# 1. to return ENOTCONN from ldlm_handle_enqueue0
+	# 2. to pause reconnect handling between resend and setting
+	# import to LUSTRE_IMP_FULL state
+	do_facet ost1 "$LCTL set_param fail_val=3"
+
+	# client1 fails ro respond to bl ast
+	do_node $client2 "$MULTIOP $DIR/$tfile-1 Ow1048576c" &
+	MULTIPID=$!
+
+	# ost1 returns error on enqueue, which causes client1 to reconnect
+	do_node $client1 "$MULTIOP $DIR/$tfile-2 Ow1048576c" ||
+		error "multiop failed"
+	wait $MULTIPID
+
+	do_facet ost1 "$LCTL set_param fail_loc=0"
+	do_facet ost1 "$LCTL set_param fail_val=0"
+}
+run_test 10e "re-send BL AST vs reconnect race 2"
 
 #bug 2460
 # wake up a thread waiting for completion after eviction
 test_11(){
-    do_facet client multiop $DIR/$tfile Ow  || return 1
-    do_facet client multiop $DIR/$tfile or  || return 2
+	do_facet client $MULTIOP $DIR/$tfile Ow  ||
+		{ error "multiop write failed: $?"; return 1; }
+	do_facet client $MULTIOP $DIR/$tfile or  ||
+		{ error "multiop read failed: $?"; return 2; }
 
-    cancel_lru_locks osc
+	cancel_lru_locks osc
 
-    do_facet client multiop $DIR/$tfile or  || return 3
-    drop_bl_callback multiop $DIR/$tfile Ow || echo "evicted as expected"
+	do_facet client $MULTIOP $DIR/$tfile or  ||
+		{ error "multiop read failed: $?"; return 3; }
+	drop_bl_callback_once $MULTIOP $DIR/$tfile Ow ||
+		echo "evicted as expected"
 
-    do_facet client munlink $DIR/$tfile  || return 4
+	do_facet client munlink $DIR/$tfile ||
+		{ error "munlink failed: $?"; return 4; }
+	# allow recovery to complete
+	client_up || client_up || sleep $TIMEOUT
 }
 run_test 11 "wake up a thread waiting for completion after eviction (b=2460)"
 
 #b=2494
 test_12(){
-    $LCTL mark multiop $DIR/$tfile OS_c 
-    do_facet $SINGLEMDS "lctl set_param fail_loc=0x115"
-    clear_failloc $SINGLEMDS $((TIMEOUT * 2)) &
-    multiop_bg_pause $DIR/$tfile OS_c || return 1
-    PID=$!
+	$LCTL mark $MULTIOP $DIR/$tfile OS_c
+	do_facet $SINGLEMDS "lctl set_param fail_loc=0x115"
+	clear_failloc $SINGLEMDS $((TIMEOUT * 2)) &
+	multiop_bg_pause $DIR/$tfile OS_c ||
+		{ error "multiop failed: $?"; return 1; }
+	PID=$!
 #define OBD_FAIL_MDS_CLOSE_NET           0x115
-    kill -USR1 $PID
-    echo "waiting for multiop $PID"
-    wait $PID || return 2
-    do_facet client munlink $DIR/$tfile  || return 3
+	kill -USR1 $PID
+	echo "waiting for multiop $PID"
+	wait $PID || { error "wait for multiop faile: $?"; return 2; }
+	do_facet client munlink $DIR/$tfile ||
+		{ error "client munlink failed: $?"; return 3; }
+	# allow recovery to complete
+	client_up || client_up || sleep $TIMEOUT
 }
 run_test 12 "recover from timed out resend in ptlrpcd (b=2494)"
 
 # Bug 113, check that readdir lost recv timeout works.
 test_13() {
-    mkdir -p $DIR/$tdir || return 1
-    touch $DIR/$tdir/newentry || return
+	mkdir -p $DIR/$tdir || { error "mkdir failed: $?"; return 1; }
+	touch $DIR/$tdir/newentry || { error "touch failed: $?"; return 2; }
 # OBD_FAIL_MDS_READPAGE_NET|OBD_FAIL_ONCE
-    do_facet $SINGLEMDS "lctl set_param fail_loc=0x80000104"
-    ls $DIR/$tdir || return 3
-    do_facet $SINGLEMDS "lctl set_param fail_loc=0"
-    rm -rf $DIR/$tdir || return 4
+	do_facet $SINGLEMDS "lctl set_param fail_loc=0x80000104"
+	ls $DIR/$tdir || { error "ls failed: $?"; return 3; }
+	do_facet $SINGLEMDS "lctl set_param fail_loc=0"
+	rm -rf $DIR/$tdir || { error "remove test dir failed: $?"; return 4; }
 }
 run_test 13 "mdc_readpage restart test (bug 1138)"
 
@@ -194,30 +402,38 @@ start_read_ahead() {
 }
 
 test_16() {
-    remote_ost_nodsh && skip "remote OST with nodsh" && return 0
+	remote_ost_nodsh && skip "remote OST with nodsh" && return 0
 
-    do_facet client cp $SAMPLE_FILE $DIR
-    sync
-    stop_read_ahead
+	do_facet_random_file client $TMP/$tfile 100K ||
+		{ error_noexit "Create random file $TMP/$T" ; return 0; }
+	do_facet client "cp $TMP/$tfile $DIR/$tfile" ||
+		{ error_noexit "Copy to $DIR/$tfile file" ; return 0; }
+	sync
+	stop_read_ahead
 
 #define OBD_FAIL_PTLRPC_BULK_PUT_NET 0x504 | OBD_FAIL_ONCE
-    do_facet ost1 "lctl set_param fail_loc=0x80000504"
-    cancel_lru_locks osc
-    # OST bulk will time out here, client resends
-    do_facet client "cmp $SAMPLE_FILE $DIR/${SAMPLE_FILE##*/}" || return 1
-    do_facet ost1 lctl set_param fail_loc=0
-    # give recovery a chance to finish (shouldn't take long)
-    sleep $TIMEOUT
-    do_facet client "cmp $SAMPLE_FILE $DIR/${SAMPLE_FILE##*/}" || return 2
-    start_read_ahead
+	do_facet ost1 "lctl set_param fail_loc=0x80000504"
+	cancel_lru_locks osc
+	# OST bulk will time out here, client resends
+	do_facet client "cmp $TMP/$tfile $DIR/$tfile" || return 1
+	do_facet ost1 lctl set_param fail_loc=0
+	# give recovery a chance to finish (shouldn't take long)
+	sleep $TIMEOUT
+	do_facet client "cmp $TMP/$tfile $DIR/$tfile" || return 2
+	start_read_ahead
+	rm -f $TMP/$tfile
 }
 run_test 16 "timeout bulk put, don't evict client (2732)"
 
-test_17() {
+test_17a() {
     local at_max_saved=0
 
     remote_ost_nodsh && skip "remote OST with nodsh" && return 0
 
+	local SAMPLE_FILE=$TMP/$tfile
+	do_facet_random_file client $SAMPLE_FILE 20K ||
+		{ error_noexit "Create random file $SAMPLE_FILE" ; return 0; }
+
     # With adaptive timeouts, bulk_get won't expire until adaptive_timeout_max
     if at_is_enabled; then
         at_max_saved=$(at_max_get ost1)
@@ -228,7 +444,7 @@ test_17() {
     # OST bulk will time out here, client retries
     do_facet ost1 lctl set_param fail_loc=0x80000503
     # need to ensure we send an RPC
-    do_facet client cp /etc/termcap $DIR/$tfile
+    do_facet client cp $SAMPLE_FILE $DIR/$tfile
     sync
 
     # with AT, client will wait adaptive_max*factor+net_latency before
@@ -238,16 +454,105 @@ test_17() {
     do_facet ost1 lctl set_param fail_loc=0
     do_facet client "df $DIR"
     # expect cmp to succeed, client resent bulk
-    do_facet client "cmp /etc/termcap $DIR/$tfile" || return 3
+    do_facet client "cmp $SAMPLE_FILE $DIR/$tfile" || return 3
     do_facet client "rm $DIR/$tfile" || return 4
     [ $at_max_saved -ne 0 ] && at_max_set $at_max_saved ost1
     return 0
 }
-run_test 17 "timeout bulk get, don't evict client (2732)"
+run_test 17a "timeout bulk get, don't evict client (2732)"
+
+test_17b() {
+	[ -z "$RCLIENTS" ] && skip "Needs multiple clients" && return 0
+
+	# get one of the clients from client list
+	local rcli=$(echo $RCLIENTS | cut -d ' ' -f 1)
+	local p="$TMP/$TESTSUITE-$TESTNAME.parameters"
+	local ldlm_enqueue_min=$(do_facet ost1 find /sys -name ldlm_enqueue_min)
+	[ -z "$ldlm_enqueue_min" ] &&
+		skip "missing /sys/.../ldlm_enqueue_min" && return 0
+
+	$LFS setstripe -i 0 -c 1 -S 1048576 $DIR/$tfile ||
+		error "setstripe failed"
+	$LFS setstripe -i 0 -c 1 -S 1048576 $DIR/${tfile}2 ||
+		error "setstripe 2 failed"
+
+	save_lustre_params ost1 "at_history" > $p
+	save_lustre_params ost1 "bulk_timeout" >> $p
+	local dev="${FSNAME}-OST0000"
+	save_lustre_params ost1 "obdfilter.$dev.brw_size" >> $p
+	local ldlm_enqueue_min_save=$(do_facet ost1 cat $ldlm_enqueue_min)
+
+	local new_at_history=15
+
+	do_facet ost1 "$LCTL set_param at_history=$new_at_history"
+	do_facet ost1 "$LCTL set_param bulk_timeout=30"
+	do_facet ost1 "echo 30 > /sys/module/ptlrpc/parameters/ldlm_enqueue_min"
+
+	# brw_size is required to be 4m so that bulk transfer timeout
+	# could be simulated with OBD_FAIL_PTLRPC_CLIENT_BULK_CB3
+	local brw_size=$($LCTL get_param -n \
+	    osc.$FSNAME-OST0000-osc-[^M]*.import |
+	    awk '/max_brw_size/{print $2}')
+	if [ $brw_size -ne 4194304 ]
+	then
+		save_lustre_params ost1 "obdfilter.$dev.brw_size" >> $p
+		do_facet ost1 "$LCTL set_param obdfilter.$dev.brw_size=4"
+		remount_client $MOUNT
+	fi
+
+	# get service estimate expanded
+	#define OBD_FAIL_OST_BRW_PAUSE_PACK		 0x224
+	do_facet ost1 "$LCTL set_param fail_loc=0x80000224 fail_val=35"
+	echo "delay rpc servicing by 35 seconds"
+	dd if=/dev/zero of=$DIR/$tfile bs=1M count=1 conv=fdatasync
+
+	local estimate
+	estimate=$($LCTL get_param -n osc.$dev-osc-*.timeouts |
+	    awk '/portal 6/ {print $5}')
+	echo "service estimates increased to $estimate"
+
+	# let current worst service estimate to get closer to obliteration
+	sleep $((new_at_history / 3))
+
+	# start i/o and simulate bulk transfer loss
+	#define OBD_FAIL_PTLRPC_CLIENT_BULK_CB3     0x520
+	do_facet ost1 "$LCTL set_param fail_loc=0xa0000520 fail_val=1"
+	dd if=/dev/zero of=$DIR/$tfile bs=2M count=1 conv=fdatasync,notrunc &
+	local writedd=$!
+
+	# start lock conflict handling
+	sleep $((new_at_history / 3))
+	do_node $rcli "dd if=$DIR/$tfile of=/dev/null bs=1M count=1" &
+	local readdd=$!
+
+	# obliterate the worst service estimate
+	sleep $((new_at_history / 3 + 1))
+	dd if=/dev/zero of=$DIR/${tfile}2 bs=1M count=1
+
+	estimate=$($LCTL get_param -n osc.$dev-osc-*.timeouts |
+	    awk '/portal 6/ {print $5}')
+	echo "service estimate dropped to $estimate"
+
+	wait $writedd
+	[[ $? == 0 ]] || error "write failed"
+	wait $readdd
+	[[ $? == 0 ]] || error "read failed"
+
+	restore_lustre_params <$p
+	if [ $brw_size -ne 4194304 ]
+	then
+		remount_client $MOUNT || error "remount_client failed"
+	fi
+	do_facet ost1 "echo $ldlm_enqueue_min_save > $ldlm_enqueue_min"
+}
+run_test 17b "timeout bulk get, dont evict client (3582)"
 
 test_18a() {
     [ -z ${ost2_svc} ] && skip_env "needs 2 osts" && return 0
 
+	do_facet_create_file client $TMP/$tfile 20K ||
+		{ error_noexit "Create file $TMP/$tfile" ; return 0; }
+
     do_facet client mkdir -p $DIR/$tdir
     f=$DIR/$tdir/$tfile
 
@@ -255,14 +560,14 @@ test_18a() {
     pgcache_empty || return 1
 
     # 1 stripe on ost2
-    lfs setstripe $f -s $((128 * 1024)) -i 1 -c 1
-    get_stripe_info client $f
+    $LFS setstripe -i 1 -c 1 $f
+    stripe_index=$($LFS getstripe -i $f)
     if [ $stripe_index -ne 1 ]; then
-        lfs getstripe $f
-        error "$f: different stripe offset ($stripe_index)" && return
+        $LFS getstripe $f
+        error "$f: stripe_index $stripe_index != 1" && return
     fi
 
-    do_facet client cp $SAMPLE_FILE $f
+    do_facet client cp $TMP/$tfile $f
     sync
     local osc2dev=`lctl get_param -n devices | grep ${ost2_svc}-osc- | egrep -v 'MDT' | awk '{print $1}'`
     $LCTL --device $osc2dev deactivate || return 3
@@ -271,7 +576,7 @@ test_18a() {
     rc=0
     pgcache_empty || rc=2
     $LCTL --device $osc2dev activate
-    rm -f $f
+    rm -f $f $TMP/$tfile
     return $rc
 }
 run_test 18a "manual ost invalidate clears page cache immediately"
@@ -279,21 +584,23 @@ run_test 18a "manual ost invalidate clears page cache immediately"
 test_18b() {
     remote_ost_nodsh && skip "remote OST with nodsh" && return 0
 
+	do_facet_create_file client $TMP/$tfile 20K ||
+		{ error_noexit "Create file $TMP/$tfile" ; return 0; }
+
     do_facet client mkdir -p $DIR/$tdir
     f=$DIR/$tdir/$tfile
 
     cancel_lru_locks osc
     pgcache_empty || return 1
 
-    # shouldn't have to set stripe size of count==1
-    lfs setstripe $f -s $((128 * 1024)) -i 0 -c 1
-    get_stripe_info client $f
+    $LFS setstripe -i 0 -c 1 $f
+    stripe_index=$($LFS getstripe -i $f)
     if [ $stripe_index -ne 0 ]; then
-        lfs getstripe $f
-        error "$f: different stripe offset ($stripe_index)" && return
+        $LFS getstripe $f
+        error "$f: stripe_index $stripe_index != 0" && return
     fi
 
-    do_facet client cp $SAMPLE_FILE $f
+    do_facet client cp $TMP/$tfile $f
     sync
     ost_evict_client
     # allow recovery to complete
@@ -302,7 +609,7 @@ test_18b() {
     # cache after the client reconnects?     
     rc=0
     pgcache_empty || rc=2
-    rm -f $f
+    rm -f $f $TMP/$tfile
     return $rc
 }
 run_test 18b "eviction and reconnect clears page cache (2766)"
@@ -310,21 +617,23 @@ run_test 18b "eviction and reconnect clears page cache (2766)"
 test_18c() {
     remote_ost_nodsh && skip "remote OST with nodsh" && return 0
 
+	do_facet_create_file client $TMP/$tfile 20K ||
+		{ error_noexit "Create file $TMP/$tfile" ; return 0; }
+
     do_facet client mkdir -p $DIR/$tdir
     f=$DIR/$tdir/$tfile
 
     cancel_lru_locks osc
     pgcache_empty || return 1
 
-    # shouldn't have to set stripe size of count==1
-    lfs setstripe $f -s $((128 * 1024)) -i 0 -c 1
-    get_stripe_info client $f
+    $LFS setstripe -i 0 -c 1 $f
+    stripe_index=$($LFS getstripe -i $f)
     if [ $stripe_index -ne 0 ]; then
-        lfs getstripe $f
-        error "$f: different stripe offset ($stripe_index)" && return
+        $LFS getstripe $f
+        error "$f: stripe_index $stripe_index != 0" && return
     fi
 
-    do_facet client cp $SAMPLE_FILE $f
+    do_facet client cp $TMP/$tfile $f
     sync
     ost_evict_client
 
@@ -332,48 +641,111 @@ test_18c() {
     # lost reply to connect request
     do_facet ost1 lctl set_param fail_loc=0x80000225
     # force reconnect
-    df $MOUNT > /dev/null 2>&1
+    sleep 1
+    $LFS df $MOUNT > /dev/null 2>&1
     sleep 2
     # my understanding is that there should be nothing in the page
-    # cache after the client reconnects?     
+    # cache after the client reconnects?
     rc=0
     pgcache_empty || rc=2
-    rm -f $f
+    rm -f $f $TMP/$tfile
     return $rc
 }
 run_test 18c "Dropped connect reply after eviction handing (14755)"
 
 test_19a() {
-    f=$DIR/$tfile
-    do_facet client mcreate $f        || return 1
-    drop_ldlm_cancel "chmod 0777 $f"  || echo "evicted as expected"
+	local BEFORE=`date +%s`
+	local EVICT
 
-    do_facet client checkstat -v -p 0777 $f  || echo evicted
-    # let the client reconnect
-    sleep 5
-    do_facet client "munlink $f"
+	mount_client $DIR2 || error "failed to mount $DIR2"
+
+	# cancel cached locks from OST to avoid eviction from it
+	cancel_lru_locks osc
+
+	do_facet client "stat $DIR > /dev/null"  ||
+		error "failed to stat $DIR: $?"
+	drop_ldlm_cancel "chmod 0777 $DIR2" ||
+		error "failed to chmod $DIR2"
+
+	umount_client $DIR2
+
+	# let the client reconnect
+	client_reconnect
+	EVICT=$(do_facet client $LCTL get_param mdc.$FSNAME-MDT*.state |
+		awk -F"[ [,]" '/EVICTED ]$/ \
+			{ if (mx<$5) {mx=$5;} } END { print mx }')
+
+	[ ! -z "$EVICT" ] && [[ $EVICT -gt $BEFORE ]] ||
+		(do_facet client $LCTL get_param mdc.$FSNAME-MDT*.state;
+		    error "no eviction: $EVICT before:$BEFORE")
 }
 run_test 19a "test expired_lock_main on mds (2867)"
 
 test_19b() {
-    f=$DIR/$tfile
-    do_facet client multiop $f Ow  || return 1
-    do_facet client multiop $f or  || return 2
+	local BEFORE=`date +%s`
+	local EVICT
 
-    cancel_lru_locks osc
+	mount_client $DIR2 || error "failed to mount $DIR2: $?"
+
+	# cancel cached locks from MDT to avoid eviction from it
+	cancel_lru_locks mdc
+
+	do_facet client $MULTIOP $DIR/$tfile Ow ||
+		error "failed to run multiop: $?"
+	drop_ldlm_cancel $MULTIOP $DIR2/$tfile Ow ||
+		error "failed to ldlm_cancel: $?"
 
-    do_facet client multiop $f or  || return 3
-    drop_ldlm_cancel multiop $f Ow  || echo "client evicted, as expected"
+	umount_client $DIR2 || error "failed to unmount $DIR2: $?"
+	do_facet client munlink $DIR/$tfile ||
+		error "failed to unlink $DIR/$tfile: $?"
 
-    do_facet client munlink $f  || return 4
+	# let the client reconnect
+	client_reconnect
+	EVICT=$(do_facet client $LCTL get_param osc.$FSNAME-OST*.state |
+		awk -F"[ [,]" '/EVICTED ]$/ \
+			{ if (mx < $5) {mx = $5;} } END { print mx }')
+
+	[ ! -z "$EVICT" ] && [[ $EVICT -gt $BEFORE ]] ||
+		(do_facet client $LCTL get_param osc.$FSNAME-OST*.state;
+		    error "no eviction: $EVICT before:$BEFORE")
 }
 run_test 19b "test expired_lock_main on ost (2867)"
 
+test_19c() {
+	local BEFORE=`date +%s`
+
+	mount_client $DIR2
+	$LCTL set_param ldlm.namespaces.*.early_lock_cancel=0
+
+	mkdir -p $DIR1/$tfile
+	stat $DIR1/$tfile
+
+#define OBD_FAIL_PTLRPC_CANCEL_RESEND 0x516
+	do_facet mds $LCTL set_param fail_loc=0x80000516
+
+	touch $DIR2/$tfile/file1 &
+	PID1=$!
+	# let touch to get blocked on the server
+	sleep 2
+
+	wait $PID1
+	$LCTL set_param ldlm.namespaces.*.early_lock_cancel=1
+	umount_client $DIR2
+
+	# let the client reconnect
+	sleep 5
+	EVICT=$(do_facet client $LCTL get_param mdc.$FSNAME-MDT*.state |
+	  awk -F"[ [,]" '/EVICTED ]$/ { if (mx<$5) {mx=$5;} } END { print mx }')
+
+	[ -z "$EVICT" ] || [[ $EVICT -le $BEFORE ]] || error "eviction happened"
+}
+run_test 19c "check reconnect and lock resend do not trigger expired_lock_main"
+
 test_20a() {	# bug 2983 - ldlm_handle_enqueue cleanup
 	remote_ost_nodsh && skip "remote OST with nodsh" && return 0
 
 	mkdir -p $DIR/$tdir
-	lfs setstripe $DIR/$tdir/${tfile} -i 0 -c 1
+	$LFS setstripe -i 0 -c 1 $DIR/$tdir/${tfile}
 	multiop_bg_pause $DIR/$tdir/${tfile} O_wc || return 1
 	MULTI_PID=$!
 	cancel_lru_locks osc
@@ -390,7 +762,7 @@ test_20b() {	# bug 2986 - ldlm_handle_enqueue error during open
 	remote_ost_nodsh && skip "remote OST with nodsh" && return 0
 
 	mkdir -p $DIR/$tdir
-	lfs setstripe $DIR/$tdir/${tfile} -i 0 -c 1
+	$LFS setstripe -i 0 -c 1 $DIR/$tdir/${tfile}
 	cancel_lru_locks osc
 #define OBD_FAIL_LDLM_ENQUEUE_EXTENT_ERR 0x308
 	do_facet ost1 lctl set_param fail_loc=0x80000308
@@ -406,7 +778,7 @@ test_21a() {
        close_pid=$!
 
        do_facet $SINGLEMDS "lctl set_param fail_loc=0x80000129"
-       multiop $DIR/$tdir-2/f Oc &
+       $MULTIOP $DIR/$tdir-2/f Oc &
        open_pid=$!
        sleep 1
        do_facet $SINGLEMDS "lctl set_param fail_loc=0"
@@ -481,7 +853,7 @@ test_21d() {
        pid=$!
 
        do_facet $SINGLEMDS "lctl set_param fail_loc=0x80000129"
-       multiop $DIR/$tdir-2/f Oc &
+       $MULTIOP $DIR/$tdir-2/f Oc &
        sleep 1
        do_facet $SINGLEMDS "lctl set_param fail_loc=0"
 
@@ -598,11 +970,11 @@ test_22() {
     f2=$DIR/${tfile}-2
     
     do_facet $SINGLEMDS "lctl set_param fail_loc=0x80000115"
-    multiop $f2 Oc &
+    $MULTIOP $f2 Oc &
     close_pid=$!
 
     sleep 1
-    multiop $f1 msu || return 1
+    $MULTIOP $f1 msu || return 1
 
     cancel_lru_locks mdc
     do_facet $SINGLEMDS "lctl set_param fail_loc=0"
@@ -627,11 +999,11 @@ test_23() { #b=4561
 }
 run_test 23 "client hang when close a file after mds crash"
 
-test_24() { # bug 11710 details correct fsync() behavior
+test_24a() { # bug 11710 details correct fsync() behavior
 	remote_ost_nodsh && skip "remote OST with nodsh" && return 0
 
 	mkdir -p $DIR/$tdir
-	lfs setstripe $DIR/$tdir -s 0 -i 0 -c 1
+	$LFS setstripe -i 0 -c 1 $DIR/$tdir
 	cancel_lru_locks osc
 	multiop_bg_pause $DIR/$tdir/$tfile Owy_wyc || return 1
 	MULTI_PID=$!
@@ -641,18 +1013,56 @@ test_24() { # bug 11710 details correct fsync() behavior
 	rc=$?
 	lctl set_param fail_loc=0x0
 	client_reconnect
-	[ $rc -eq 0 ] && error_ignore 5494 "multiop didn't fail fsync: rc $rc" || true
+	[ $rc -eq 0 ] &&
+		error_ignore bz5494 "multiop didn't fail fsync: rc $rc" || true
 }
-run_test 24 "fsync error (should return error)"
+run_test 24a "fsync error (should return error)"
 
 wait_client_evicted () {
 	local facet=$1
 	local exports=$2
 	local varsvc=${facet}_svc
 
-	wait_update $(facet_host $facet) "lctl get_param -n *.${!varsvc}.num_exports | cut -d' ' -f2" $((exports - 1)) $3
+	wait_update $(facet_active_host $facet) \
+		"lctl get_param -n *.${!varsvc}.num_exports | cut -d' ' -f2" \
+		$((exports - 1)) $3
 }
 
+test_24b() {
+	remote_ost_nodsh && skip "remote OST with nodsh" && return 0
+
+	dmesg -c > /dev/null
+	mkdir -p $DIR/$tdir
+	lfs setstripe $DIR/$tdir -S 0 -i 0 -c 1 ||
+		error "$LFS setstripe failed"
+	cancel_lru_locks osc
+	multiop_bg_pause $DIR/$tdir/$tfile-1 Ow8192_yc ||
+		error "mulitop Ow8192_yc failed"
+
+	MULTI_PID1=$!
+	multiop_bg_pause $DIR/$tdir/$tfile-2 Ow8192_c ||
+		error "mulitop Ow8192_c failed"
+
+	MULTI_PID2=$!
+	ost_evict_client
+
+	kill -USR1 $MULTI_PID1
+	wait $MULTI_PID1
+	rc1=$?
+	kill -USR1 $MULTI_PID2
+	wait $MULTI_PID2
+	rc2=$?
+	lctl set_param fail_loc=0x0
+	client_reconnect
+	[ $rc1 -eq 0 -o $rc2 -eq 0 ] &&
+	error_ignore bz5494 "multiop didn't fail fsync: $rc1 or close: $rc2" ||
+		true
+
+	dmesg | grep "dirty page discard:" ||
+		error "no discarded dirty page found!"
+}
+run_test 24b "test dirty page discard due to client eviction"
+
 test_26a() {      # was test_26 bug 5921 - evict dead exports by pinger
 # this test can only run from a client on a separate node.
 	remote_ost || { skip "local OST" && return 0; }
@@ -732,12 +1142,8 @@ test_27() {
 #define OBD_FAIL_OSC_SHUTDOWN            0x407
 	do_facet $SINGLEMDS lctl set_param fail_loc=0x80000407
 	# need to wait for reconnect
-	echo -n waiting for fail_loc
-	while [ $(do_facet $SINGLEMDS lctl get_param -n fail_loc) -eq -2147482617 ]; do
-	    sleep 1
-	    echo -n .
-	done
-	do_facet $SINGLEMDS lctl get_param -n fail_loc
+	echo waiting for fail_loc
+	wait_update_facet $SINGLEMDS "lctl get_param -n fail_loc" "-2147482617"
 	facet_failover $SINGLEMDS
 	#no crashes allowed!
         kill -USR1 $CLIENT_PID
@@ -749,7 +1155,8 @@ run_test 27 "fail LOV while using OSC's"
 
 test_28() {      # bug 6086 - error adding new clients
 	do_facet client mcreate $DIR/$tfile       || return 1
-	drop_bl_callback "chmod 0777 $DIR/$tfile" ||echo "evicted as expected"
+	drop_bl_callback_once "chmod 0777 $DIR/$tfile" ||
+		echo "evicted as expected"
 	#define OBD_FAIL_MDS_CLIENT_ADD 0x12f
 	do_facet $SINGLEMDS "lctl set_param fail_loc=0x8000012f"
 	# fail once (evicted), reconnect fail (fail_loc), ok
@@ -765,6 +1172,7 @@ test_29a() { # bug 22273 - error adding new clients
 	# fail abort so client will be new again
 	fail_abort $SINGLEMDS
 	client_up || error "reconnect failed"
+	wait_osc_import_state $SINGLEMDS ost FULL
 	return 0
 }
 run_test 29a "error adding new clients doesn't cause LBUG (bug 22273)"
@@ -800,11 +1208,15 @@ test_50() {
 	rc=$?
 	echo writemany returned $rc
 	#these may fail because of eviction due to slow AST response.
-	[ $rc -eq 0 ] || error_ignore 13652 "writemany returned rc $rc" || true
+	[ $rc -eq 0 ] ||
+		error_ignore bz13652 "writemany returned rc $rc" || true
 }
 run_test 50 "failover MDS under load"
 
 test_51() {
+	#define OBD_FAIL_MDS_SYNC_CAPA_SL                    0x1310
+	do_facet ost1 lctl set_param fail_loc=0x00001310
+
 	mkdir -p $DIR/$tdir
 	# put a load of file creates/writes/deletes
 	writemany -q $DIR/$tdir/$tfile 0 5 &
@@ -816,19 +1228,21 @@ test_51() {
 	SEQ="1 5 10 $(seq $TIMEOUT 5 $(($TIMEOUT+10)))"
         echo will failover at $SEQ
         for i in $SEQ
-          do
-          echo failover in $i sec
-          sleep $i
-          facet_failover $SINGLEMDS
+        do
+		#echo failover in $i sec
+		log "test_$testnum: failover in $i sec"
+		sleep $i
+		facet_failover $SINGLEMDS
         done
 	# client process should see no problems even though MDS went down
 	# and recovery was interrupted
 	sleep $TIMEOUT
         kill -USR1 $CLIENT_PID
-	wait $CLIENT_PID 
+	wait $CLIENT_PID
 	rc=$?
 	echo writemany returned $rc
-	[ $rc -eq 0 ] || error_ignore 13652 "writemany returned rc $rc" || true
+	[ $rc -eq 0 ] ||
+		error_ignore bz13652 "writemany returned rc $rc" || true
 }
 run_test 51 "failover MDS during recovery"
 
@@ -897,57 +1311,58 @@ test_55() {
 
 	mkdir -p $DIR/$tdir
 
+	# Minimum pass speed is 2MBps
+	local ddtimeout=64
+	# LU-2887/LU-3089 - set min pass speed to 500KBps
+	[ "$(facet_fstype ost1)" = "zfs" ] && ddtimeout=256
+
 	# first dd should be finished quickly
-	lfs setstripe $DIR/$tdir/$tfile-1 -c 1 -i 0
-	dd if=/dev/zero of=$DIR/$tdir/$tfile-1 bs=32M count=4  &
+	$LFS setstripe -c 1 -i 0 $DIR/$tdir/$tfile-1
+	dd if=/dev/zero of=$DIR/$tdir/$tfile-1 bs=32M count=4 &
 	DDPID=$!
 	count=0
 	echo  "step1: testing ......"
-	while [ true ]; do
-	    if [ -z `ps x | awk '$1 == '$DDPID' { print $5 }'` ]; then break; fi
-	    count=$[count+1]
-	    if [ $count -gt 64 ]; then
-		error "dd should be finished!"
-	    fi
-	    sleep 1
-	done	
+	while kill -0 $DDPID 2> /dev/null; do
+		let count++
+		if [ $count -gt $ddtimeout ]; then
+			error "dd should be finished!"
+		fi
+		sleep 1
+	done
 	echo "(dd_pid=$DDPID, time=$count)successful"
 
-	lfs setstripe $DIR/$tdir/$tfile-2 -c 1 -i 0
+	$LFS setstripe -c 1 -i 0 $DIR/$tdir/$tfile-2
 	#define OBD_FAIL_OST_DROP_REQ            0x21d
 	do_facet ost1 lctl set_param fail_loc=0x0000021d
 	# second dd will be never finished
-	dd if=/dev/zero of=$DIR/$tdir/$tfile-2 bs=32M count=4  &	
+	dd if=/dev/zero of=$DIR/$tdir/$tfile-2 bs=32M count=4 &
 	DDPID=$!
 	count=0
 	echo  "step2: testing ......"
-	while [ $count -le 64 ]; do
-	    dd_name="`ps x | awk '$1 == '$DDPID' { print $5 }'`"	    
-	    if [ -z  $dd_name ]; then 
-                ls -l $DIR/$tdir
-		echo  "debug: (dd_name=$dd_name, dd_pid=$DDPID, time=$count)"
-		error "dd shouldn't be finished!"
-	    fi
-	    count=$[count+1]
-	    sleep 1
-	done	
+	while [ $count -le $ddtimeout ]; do
+		if ! kill -0 $DDPID 2> /dev/null; then
+			ls -l $DIR/$tdir
+			error "dd shouldn't be finished! (time=$count)"
+		fi
+		let count++
+		sleep 1
+	done
 	echo "(dd_pid=$DDPID, time=$count)successful"
 
 	#Recover fail_loc and dd will finish soon
 	do_facet ost1 lctl set_param fail_loc=0
 	count=0
 	echo  "step3: testing ......"
-	while [ true ]; do
-	    if [ -z `ps x | awk '$1 == '$DDPID' { print $5 }'` ]; then break; fi
-	    count=$[count+1]
-	    if [ $count -gt 500 ]; then
-		error "dd should be finished!"
-	    fi
-	    sleep 1
-	done	
+	while kill -0 $DDPID 2> /dev/null; do
+		let count++
+		if [ $count -gt $((ddtimeout + 440)) ]; then
+			error "dd should be finished!"
+		fi
+		sleep 1
+	done
 	echo "(dd_pid=$DDPID, time=$count)successful"
 
-        rm -rf $DIR/$tdir
+	rm -rf $DIR/$tdir
 }
 run_test 55 "ost_brw_read/write drops timed-out read/write request"
 
@@ -955,11 +1370,11 @@ test_56() { # b=11277
 #define OBD_FAIL_MDS_RESEND      0x136
         touch $DIR/$tfile
         do_facet $SINGLEMDS "lctl set_param fail_loc=0x80000136"
-        stat $DIR/$tfile
+        stat $DIR/$tfile || error "stat failed"
         do_facet $SINGLEMDS "lctl set_param fail_loc=0"
         rm -f $DIR/$tfile
 }
-run_test 56 "do not allow reconnect to busy exports"
+run_test 56 "do not fail on getattr resend"
 
 test_57_helper() {
         # no oscs means no client or mdt 
@@ -993,9 +1408,12 @@ test_58() { # bug 11546
         pid=$!
         sleep 1
         lctl set_param fail_loc=0
-        drop_bl_callback rm -f $DIR/$tfile
+        drop_bl_callback_once rm -f $DIR/$tfile
         wait $pid
-        do_facet client "df $DIR"
+        # the first 'df' could tigger the eviction caused by
+        # 'drop_bl_callback_once', and it's normal case.
+        # but the next 'df' should return successfully.
+        do_facet client "df $DIR" || do_facet client "df $DIR"
 }
 run_test 58 "Eviction in the middle of open RPC reply processing"
 
@@ -1018,17 +1436,17 @@ test_59() { # bug 10589
 run_test 59 "Read cancel race on client eviction"
 
 err17935 () {
-    # we assume that all md changes are in the MDT0 changelog
-    if [ $MDSCOUNT -gt 1 ]; then
-	error_ignore 17935 $*
-    else
-	error $*
-    fi
+	# we assume that all md changes are in the MDT0 changelog
+	if [ $MDSCOUNT -gt 1 ]; then
+		error_ignore bz17935 $*
+	else
+		error $*
+	fi
 }
 
 test_60() {
-        MDT0=$($LCTL get_param -n mdc.*.mds_server_uuid | \
-	    awk '{gsub(/_UUID/,""); print $1}' | head -1)
+	MDT0=$($LCTL get_param -n mdc.*.mds_server_uuid |
+		awk '{ gsub(/_UUID/,""); print $1 }' | head -n1)
 
 	NUM_FILES=15000
 	mkdir -p $DIR/$tdir
@@ -1080,22 +1498,26 @@ run_test 60 "Add Changelog entries during MDS failover"
 
 test_61()
 {
-	local cflags='osc.*-OST0000-osc-MDT*.connect_flags'
+	local mdtosc=$(get_mdtosc_proc_path $SINGLEMDS $FSNAME-OST0000)
+	mdtosc=${mdtosc/-MDT*/-MDT\*}
+	local cflags="osc.$mdtosc.connect_flags"
 	do_facet $SINGLEMDS "lctl get_param -n $cflags" |grep -q skip_orphan
 	[ $? -ne 0 ] && skip "don't have skip orphan feature" && return
 
 	mkdir -p $DIR/$tdir || error "mkdir dir $DIR/$tdir failed"
 	# Set the default stripe of $DIR/$tdir to put the files to ost1
-	$LFS setstripe -c 1 --index 0 $DIR/$tdir
+	$LFS setstripe -c 1 -i 0 $DIR/$tdir
 
 	replay_barrier $SINGLEMDS
 	createmany -o $DIR/$tdir/$tfile-%d 10 
-	local oid=`do_facet ost1 "lctl get_param -n obdfilter.${ost1_svc}.last_id"`
+	local oid=$(do_facet ost1 "lctl get_param -n \
+		obdfilter.${ost1_svc}.last_id" | sed -e 's/.*://')
 
 	fail_abort $SINGLEMDS
-	
+
 	touch $DIR/$tdir/$tfile
-	local id=`$LFS getstripe $DIR/$tdir/$tfile |awk '($1 ~ 0 && $2 ~ /^[1-9]+/) {print $2}'`
+	local id=$($LFS getstripe $DIR/$tdir/$tfile |
+		awk '$1 == 0 { print $2 }')
 	[ $id -le $oid ] && error "the orphan objid was reused, failed"
 
 	# Cleanup
@@ -1103,6 +1525,1202 @@ test_61()
 }
 run_test 61 "Verify to not reuse orphan objects - bug 17025"
 
-equals_msg `basename $0`: test complete, cleaning up
+# test_62 as seen it b2_1 please do not reuse test_62
+#test_62()
+#{
+#	zconf_umount `hostname` $DIR
+#	#define OBD_FAIL_PTLRPC_DELAY_IMP_FULL   0x516
+#	lctl set_param fail_loc=0x516
+#	mount_client $DIR
+#}
+#run_test 62 "Verify connection flags race - bug LU-1716"
+
+test_66()
+{
+	[[ $(lustre_version_code $SINGLEMDS) -ge $(version_code 2.7.51) ]] ||
+		{ skip "Need MDS version at least 2.7.51"; return 0; }
+
+	local list=$(comma_list $(osts_nodes))
+
+	# modify dir so that next revalidate would not obtain UPDATE lock
+	touch $DIR
+
+	# drop 1 reply with UPDATE lock
+	mcreate $DIR/$tfile || error "mcreate failed: $?"
+	drop_ldlm_reply_once "stat $DIR/$tfile" &
+	sleep 2
+
+	# make the re-sent lock to sleep
+#define OBD_FAIL_MDS_RESEND              0x136
+	do_nodes $list $LCTL set_param fail_loc=0x80000136
+
+	#initiate the re-connect & re-send
+	local mdccli=$($LCTL dl | awk '/-mdc-/ {print $4;}')
+	local conn_uuid=$($LCTL get_param -n mdc.${mdccli}.mds_conn_uuid)
+	$LCTL set_param "mdc.${mdccli}.import=connection=${conn_uuid}"
+	sleep 2
+
+	#initiate the client eviction while enqueue re-send is in progress
+	mds_evict_client
+
+	client_reconnect
+	wait
+}
+run_test 66 "lock enqueue re-send vs client eviction"
+
+test_65() {
+	mount_client $DIR2
+
+	#grant lock1, export2
+	$SETSTRIPE -i -0 $DIR2/$tfile || return 1
+	$MULTIOP $DIR2/$tfile Ow  || return 2
+
+#define OBD_FAIL_LDLM_BL_EVICT            0x31e
+	do_facet ost $LCTL set_param fail_loc=0x31e
+	#get waiting lock2, export1
+	$MULTIOP $DIR/$tfile Ow &
+	PID1=$!
+	# let enqueue to get asleep
+	sleep 2
+
+	#get lock2 blocked
+	$MULTIOP $DIR2/$tfile Ow &
+	PID2=$!
+	sleep 2
+
+	#evict export1
+	ost_evict_client
+
+	sleep 2
+	do_facet ost $LCTL set_param fail_loc=0
+
+	wait $PID1
+	wait $PID2
+
+	umount_client $DIR2
+}
+run_test 65 "lock enqueue for destroyed export"
+
+check_cli_ir_state()
+{
+        local NODE=${1:-$HOSTNAME}
+        local st
+        st=$(do_node $NODE "lctl get_param mgc.*.ir_state |
+                            awk '/imperative_recovery:/ { print \\\$2}'")
+	[ $st != ON -o $st != OFF -o $st != ENABLED -o $st != DISABLED ] ||
+		error "Error state $st, must be ENABLED or DISABLED"
+        echo -n $st
+}
+
+check_target_ir_state()
+{
+        local target=${1}
+        local name=${target}_svc
+        local recovery_proc=obdfilter.${!name}.recovery_status
+        local st
+
+	while : ; do
+		st=$(do_facet $target "$LCTL get_param -n $recovery_proc |
+			awk '/status:/{ print \\\$2}'")
+		[ x$st = xRECOVERING ] || break
+	done
+        st=$(do_facet $target "lctl get_param -n $recovery_proc |
+                               awk '/IR:/{ print \\\$2}'")
+	[ $st != ON -o $st != OFF -o $st != ENABLED -o $st != DISABLED ] ||
+		error "Error state $st, must be ENABLED or DISABLED"
+        echo -n $st
+}
+
+set_ir_status()
+{
+        do_facet mgs lctl set_param -n mgs.MGS.live.$FSNAME="state=$1"
+}
+
+get_ir_status()
+{
+        local state=$(do_facet mgs "lctl get_param -n mgs.MGS.live.$FSNAME |
+                                    awk '/state:/{ print \\\$2 }'")
+        echo -n ${state/,/}
+}
+
+nidtbl_version_mgs()
+{
+        local ver=$(do_facet mgs "lctl get_param -n mgs.MGS.live.$FSNAME |
+                                  awk '/nidtbl_version:/{ print \\\$2 }'")
+        echo -n $ver
+}
+
+# nidtbl_version_client <mds1|client> [node]
+nidtbl_version_client()
+{
+        local cli=$1
+        local node=${2:-$HOSTNAME}
+
+        if [ X$cli = Xclient ]; then
+                cli=$FSNAME-client
+        else
+                local obdtype=${cli/%[0-9]*/}
+                [ $obdtype != mds ] && error "wrong parameters $cli"
+
+                node=$(facet_active_host $cli)
+                local t=${cli}_svc
+                cli=${!t}
+        fi
+
+        local vers=$(do_node $node "lctl get_param -n mgc.*.ir_state" |
+                     awk "/$cli/{print \$6}" |sort -u)
+
+        # in case there are multiple mounts on the client node
+        local arr=($vers)
+        [ ${#arr[@]} -ne 1 ] && error "versions on client node mismatch"
+        echo -n $vers
+}
+
+nidtbl_versions_match()
+{
+        [ $(nidtbl_version_mgs) -eq $(nidtbl_version_client ${1:-client}) ]
+}
+
+target_instance_match()
+{
+        local srv=$1
+        local obdtype
+        local cliname
+
+        obdtype=${srv/%[0-9]*/}
+        case $obdtype in
+        mds)
+                obdname="mdt"
+                cliname="mdc"
+                ;;
+        ost)
+                obdname="obdfilter"
+                cliname="osc"
+                ;;
+        *)
+                error "invalid target type" $srv
+                return 1
+                ;;
+        esac
+
+        local target=${srv}_svc
+        local si=$(do_facet $srv lctl get_param -n $obdname.${!target}.instance)
+	local ci=$(lctl get_param -n $cliname.${!target}-${cliname}-*.import |
+		awk '/instance/{ print $2 }' | head -n1)
+
+        return $([ $si -eq $ci ])
+}
+
+test_100()
+{
+	do_facet mgs $LCTL list_param mgs.*.ir_timeout ||
+		{ skip "MGS without IR support"; return 0; }
+
+	# MDT was just restarted in the previous test, make sure everything
+	# is all set.
+	local cnt=30
+	while [ $cnt -gt 0 ]; do
+		nidtbl_versions_match && break
+		sleep 1
+		cnt=$((cnt - 1))
+	done
+
+	# disable IR
+	set_ir_status disabled
+
+	local prev_ver=$(nidtbl_version_client client)
+
+        local saved_FAILURE_MODE=$FAILURE_MODE
+        [ $(facet_host mgs) = $(facet_host ost1) ] && FAILURE_MODE="SOFT"
+        fail ost1
+
+        # valid check
+	[ $(nidtbl_version_client client) -eq $prev_ver ] ||
+		error "version must not change due to IR disabled"
+        target_instance_match ost1 || error "instance mismatch"
+
+        # restore env
+        set_ir_status full
+        FAILURE_MODE=$saved_FAILURE_MODE
+}
+run_test 100 "IR: Make sure normal recovery still works w/o IR"
+
+test_101()
+{
+        do_facet mgs $LCTL list_param mgs.*.ir_timeout ||
+                { skip "MGS without IR support"; return 0; }
+
+        set_ir_status full
+
+        local OST1_IMP=$(get_osc_import_name client ost1)
+
+        # disable pinger recovery
+        lctl set_param -n osc.$OST1_IMP.pinger_recov=0
+
+        fail ost1
+
+        target_instance_match ost1 || error "instance mismatch"
+        nidtbl_versions_match || error "version must match"
+
+        lctl set_param -n osc.$OST1_IMP.pinger_recov=1
+}
+run_test 101 "IR: Make sure IR works w/o normal recovery"
+
+test_102()
+{
+        do_facet mgs $LCTL list_param mgs.*.ir_timeout ||
+                { skip "MGS without IR support"; return 0; }
+
+        local clients=${CLIENTS:-$HOSTNAME}
+        local old_version
+        local new_version
+        local mgsdev=mgs
+
+        set_ir_status full
+
+        # let's have a new nidtbl version
+        fail ost1
+
+        # sleep for a while so that clients can see the failure of ost
+        # it must be MGC_TIMEOUT_MIN_SECONDS + MGC_TIMEOUT_RAND_CENTISEC.
+        # int mgc_request.c:
+        # define MGC_TIMEOUT_MIN_SECONDS   5
+        # define MGC_TIMEOUT_RAND_CENTISEC 0x1ff /* ~500 *
+        local count=30  # 20 seconds at most
+        while [ $count -gt 0 ]; do
+                nidtbl_versions_match && break
+                sleep 1
+                count=$((count-1))
+        done
+
+        nidtbl_versions_match || error "nidtbl mismatch"
+
+        # get the version #
+        old_version=$(nidtbl_version_client client)
+
+        zconf_umount_clients $clients $MOUNT || error "Cannot umount client"
+
+        # restart mgs
+        combined_mgs_mds && mgsdev=mds1
+        remount_facet $mgsdev
+        fail ost1
+
+        zconf_mount_clients $clients $MOUNT || error "Cannot mount client"
+
+        # check new version
+        new_version=$(nidtbl_version_client client)
+        [ $new_version -lt $old_version ] &&
+                error "nidtbl version wrong after mgs restarts"
+        return 0
+}
+run_test 102 "IR: New client gets updated nidtbl after MGS restart"
+
+test_103()
+{
+        do_facet mgs $LCTL list_param mgs.*.ir_timeout ||
+                { skip "MGS without IR support"; return 0; }
+
+        combined_mgs_mds && skip "mgs and mds on the same target" && return 0
+
+        # workaround solution to generate config log on the mds
+        remount_facet mds1
+
+        stop mgs
+        stop mds1
+
+        # We need this test because mds is like a client in IR context.
+        start mds1 $(mdsdevname 1) $MDS_MOUNT_OPTS ||
+		error "MDS should start w/o mgs"
+
+        # start mgs and remount mds w/ ir
+        start mgs $(mgsdevname) $MGS_MOUNT_OPTS
+        clients_up
+
+        # remount client so that fsdb will be created on the MGS
+        umount_client $MOUNT || error "umount failed"
+        mount_client $MOUNT || error "mount failed"
+
+        # sleep 30 seconds so the MDS has a chance to detect MGS restarting
+        local count=30
+        while [ $count -gt 0 ]; do
+                [ $(nidtbl_version_client mds1) -ne 0 ] && break
+                sleep 1
+                count=$((count-1))
+        done
+
+        # after a while, mds should be able to reconnect to mgs and fetch
+        # up-to-date nidtbl version
+        nidtbl_versions_match mds1 || error "mds nidtbl mismatch"
+
+        # reset everything
+        set_ir_status full
+}
+run_test 103 "IR: MDS can start w/o MGS and get updated nidtbl later"
+
+test_104()
+{
+        do_facet mgs $LCTL list_param mgs.*.ir_timeout ||
+                { skip "MGS without IR support"; return 0; }
+
+        set_ir_status full
+
+        stop ost1
+        start ost1 $(ostdevname 1) "$OST_MOUNT_OPTS -onoir" ||
+                error "OST1 cannot start"
+        clients_up
+
+        local ir_state=$(check_target_ir_state ost1)
+	[ $ir_state = "DISABLED" -o $ir_state = "OFF" ] ||
+		error "ir status on ost1 should be DISABLED"
+}
+run_test 104 "IR: ost can disable IR voluntarily"
+
+test_105()
+{
+        [ -z "$RCLIENTS" ] && skip "Needs multiple clients" && return 0
+        do_facet mgs $LCTL list_param mgs.*.ir_timeout ||
+                { skip "MGS without IR support"; return 0; }
+
+        set_ir_status full
+
+        # get one of the clients from client list
+        local rcli=$(echo $RCLIENTS |cut -d' ' -f 1)
+
+        local mount_opts=${MOUNT_OPTS:+$MOUNT_OPTS,}noir
+        zconf_umount $rcli $MOUNT || error "umount failed"
+        zconf_mount $rcli $MOUNT $mount_opts || error "mount failed"
+
+        # make sure lustre mount at $rcli disabling IR
+        local ir_state=$(check_cli_ir_state $rcli)
+	[ $ir_state = "DISABLED" -o $ir_state = "OFF" ] ||
+		error "IR state must be DISABLED at $rcli"
+
+	# Since the client just mounted, its last_rcvd entry is not on disk.
+	# Send an RPC so exp_need_sync forces last_rcvd to commit this export
+	# so the client can reconnect during OST recovery (LU-924, LU-1582)
+	$SETSTRIPE -i 0 $DIR/$tfile
+	dd if=/dev/zero of=$DIR/$tfile bs=1M count=1 conv=sync
+
+        # make sure MGS's state is Partial
+        [ $(get_ir_status) = "partial" ] || error "MGS IR state must be partial"
+
+        fail ost1
+	# make sure IR on ost1 is DISABLED
+        local ir_state=$(check_target_ir_state ost1)
+	[ $ir_state = "DISABLED" -o $ir_state = "OFF" ] ||
+		error "IR status on ost1 should be DISABLED"
+
+        # remount with the default MOUNT_OPTS
+        zconf_umount $rcli $MOUNT || error "umount failed"
+        zconf_mount $rcli $MOUNT || error "mount failed"
+
+        # make sure MGS's state is full
+        [ $(get_ir_status) = "full" ] || error "MGS IR status must be full"
+
+        fail ost1
+	# make sure IR on ost1 is ENABLED
+        local ir_state=$(check_target_ir_state ost1)
+	[ $ir_state = "ENABLED" -o $ir_state = "ON" ] ||
+		error "IR status on ost1 should be ENABLED"
+
+        return 0
+}
+run_test 105 "IR: NON IR clients support"
+
+cleanup_106() {
+	trap 0
+	umount_client $DIR2
+	debugrestore
+}
+
+test_106() { # LU-1789
+	[[ $(lustre_version_code $SINGLEMDS) -ge $(version_code 2.3.50) ]] ||
+		{ skip "Need MDS version at least 2.3.50"; return 0; }
+
+#define OBD_FAIL_MDC_LIGHTWEIGHT         0x805
+	$LCTL set_param fail_loc=0x805
+
+	debugsave
+	trap cleanup_106 EXIT
+
+	# enable lightweight flag on mdc connection
+	mount_client $DIR2
+
+	local MDS_NEXP=$(do_facet $SINGLEMDS \
+			 lctl get_param -n mdt.${mds1_svc}.num_exports |
+			 cut -d' ' -f2)
+	$LCTL set_param fail_loc=0
+
+	touch $DIR2/$tfile || error "failed to create empty file"
+	replay_barrier $SINGLEMDS
+
+	$LCTL set_param debug=console
+	$LCTL clear
+	facet_failover $SINGLEMDS
+
+	# lightweight connection must be evicted
+	touch -c $DIR2/$tfile || true
+	$LCTL dk $TMP/lustre-log-$TESTNAME.log
+	evicted=`awk '/This client was evicted by .*MDT0000/ {
+				      print;
+		      }' $TMP/lustre-log-$TESTNAME.log`
+	[ -z "$evicted" ] && error "lightweight client not evicted by mds"
+
+	# and all operations performed by lightweight client should be
+	# synchronous, so the file created before mds restart should be there
+	$CHECKSTAT -t file $DIR/$tfile || error "file not present"
+	rm -f $DIR/$tfile
+
+	cleanup_106
+}
+run_test 106 "lightweight connection support"
+
+test_107 () {
+	local CLIENT_PID
+	local close_pid
+
+	mkdir -p $DIR/$tdir
+	# OBD_FAIL_MDS_REINT_NET_REP   0x119
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x119
+	multiop $DIR/$tdir D_c &
+	close_pid=$!
+	mkdir $DIR/$tdir/dir_106 &
+	CLIENT_PID=$!
+	do_facet $SINGLEMDS lctl set_param fail_loc=0
+	fail $SINGLEMDS
+
+	wait $CLIENT_PID || rc=$?
+	checkstat -t dir $DIR/$tdir/dir_106 || return 1
+
+	kill -USR1 $close_pid
+	wait $close_pid || return 2
+
+	return $rc
+}
+run_test 107 "drop reint reply, then restart MDT"
+
+test_108() {
+	mkdir -p $DIR/$tdir
+	$SETSTRIPE -c 1 -i 0 $DIR/$tdir
+
+	dd if=/dev/zero of=$DIR/$tdir/$tfile bs=1M count=256 &
+	local dd_pid=$!
+	sleep 0.1
+
+	ost_evict_client
+
+	wait $dd_pid
+
+	client_up || error "reconnect failed"
+	rm -f $DIR/$tdir/$tfile
+}
+run_test 108 "client eviction don't crash"
+
+test_110a () {
+	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return 0
+	local remote_dir=$DIR/$tdir/remote_dir
+	local MDTIDX=1
+	local num
+
+	#prepare for 110 test, which need set striped dir on remote MDT.
+	for num in $(seq $MDSCOUNT); do
+		do_facet mds$num \
+			lctl set_param -n mdt.${FSNAME}*.enable_remote_dir=1 \
+				2>/dev/null
+	done
+
+	mkdir -p $DIR/$tdir
+	drop_request "$LFS mkdir -i $MDTIDX -c2 $remote_dir" ||
+					error "lfs mkdir failed"
+	local diridx=$($GETSTRIPE -M $remote_dir)
+	[ $diridx -eq $MDTIDX ] || error "$diridx != $MDTIDX"
+
+	rm -rf $DIR/$tdir || error "rmdir failed"
+}
+run_test 110a "create remote directory: drop client req"
+
+test_110b () {
+	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return 0
+	local remote_dir=$DIR/$tdir/remote_dir
+	local MDTIDX=1
+
+	mkdir -p $DIR/$tdir
+	drop_reint_reply "$LFS mkdir -i $MDTIDX -c2 $remote_dir" ||
+					error "lfs mkdir failed"
+
+	diridx=$($GETSTRIPE -M $remote_dir)
+	[ $diridx -eq $MDTIDX ] || error "$diridx != $MDTIDX"
+
+	rm -rf $DIR/$tdir || error "rmdir failed"
+}
+run_test 110b "create remote directory: drop Master rep"
+
+test_110c () {
+	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return 0
+	local remote_dir=$DIR/$tdir/remote_dir
+	local MDTIDX=1
+
+	mkdir -p $DIR/$tdir
+	drop_update_reply $MDTIDX "$LFS mkdir -i $MDTIDX -c2 $remote_dir" ||
+						error "lfs mkdir failed"
+
+	diridx=$($GETSTRIPE -M $remote_dir)
+	[ $diridx -eq $MDTIDX ] || error "$diridx != $MDTIDX"
+
+	rm -rf $DIR/$tdir || error "rmdir failed"
+}
+run_test 110c "create remote directory: drop update rep on slave MDT"
+
+test_110d () {
+	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return 0
+	local remote_dir=$DIR/$tdir/remote_dir
+	local MDTIDX=1
+
+	mkdir -p $DIR/$tdir
+	$LFS mkdir -i $MDTIDX -c2 $remote_dir || error "lfs mkdir failed"
+
+	drop_request "rm -rf $remote_dir" || error "rm remote dir failed"
+
+	rm -rf $DIR/$tdir || error "rmdir failed"
+
+	return 0
+}
+run_test 110d "remove remote directory: drop client req"
+
+test_110e () {
+	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return 0
+	local remote_dir=$DIR/$tdir/remote_dir
+	local MDTIDX=1
+
+	mkdir -p $DIR/$tdir
+	$LFS mkdir -i $MDTIDX -c2 $remote_dir  || error "lfs mkdir failed"
+	drop_reint_reply "rm -rf $remote_dir" || error "rm remote dir failed"
+
+	rm -rf $DIR/$tdir || error "rmdir failed"
+
+	return 0
+}
+run_test 110e "remove remote directory: drop master rep"
+
+test_110f () {
+	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return 0
+	local remote_dir=$DIR/$tdir/remote_dir
+	local MDTIDX=1
+
+	mkdir -p $DIR/$tdir
+	$LFS mkdir -i $MDTIDX -c2 $remote_dir || error "lfs mkdir failed"
+	drop_update_reply $MDTIDX "rm -rf $remote_dir" ||
+					error "rm remote dir failed"
+
+	rm -rf $DIR/$tdir || error "rmdir failed"
+}
+run_test 110f "remove remote directory: drop slave rep"
+
+test_110g () {
+	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return 0
+	local remote_dir=$DIR/$tdir/remote_dir
+	local MDTIDX=1
+
+	mkdir -p $remote_dir
+
+	createmany -o $remote_dir/f 100
+
+	#define OBD_FAIL_MIGRATE_NET_REP		0x1800
+	do_facet mds$MDTIDX lctl set_param fail_loc=0x1800
+	$LFS migrate -m $MDTIDX $remote_dir || error "migrate failed"
+	do_facet mds$MDTIDX lctl set_param fail_loc=0x0
+
+	for file in $(find $remote_dir); do
+		mdt_index=$($LFS getstripe -M $file)
+		[ $mdt_index == $MDTIDX ] ||
+			error "$file is not on MDT${MDTIDX}"
+	done
+
+	rm -rf $DIR/$tdir || error "rmdir failed"
+}
+run_test 110g "drop reply during migration"
+
+test_110h () {
+	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return 0
+	local src_dir=$DIR/$tdir/source_dir
+	local tgt_dir=$DIR/$tdir/target_dir
+	local MDTIDX=1
+
+	mkdir -p $src_dir
+	$LFS mkdir -i $MDTIDX $tgt_dir
+
+	dd if=/etc/hosts of=$src_dir/src_file
+	touch $tgt_dir/tgt_file
+	drop_update_reply $MDTIDX \
+		"mrename $src_dir/src_file $tgt_dir/tgt_file" ||
+		error "mrename failed"
+
+	$CHECKSTAT -t file $src_dir/src_file &&
+				error "src_file present after rename"
+
+	diff /etc/hosts $tgt_dir/tgt_file ||
+			error "file changed after rename"
+
+}
+run_test 110h "drop update reply during cross-MDT file rename"
+
+test_110i () {
+	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return 0
+	local src_dir=$DIR/$tdir/source_dir
+	local tgt_dir=$DIR/$tdir/target_dir
+	local MDTIDX=1
+
+	mkdir -p $src_dir
+	$LFS mkdir -i $MDTIDX $tgt_dir
+
+	mkdir $src_dir/src_dir
+	touch $src_dir/src_dir/a
+	mkdir $tgt_dir/tgt_dir
+	drop_update_reply $MDTIDX \
+		"mrename $src_dir/src_dir $tgt_dir/tgt_dir" ||
+		error "mrename failed"
+
+	$CHECKSTAT -t dir $src_dir/src_dir &&
+			error "src_dir present after rename"
+
+	$CHECKSTAT -t dir $tgt_dir/tgt_dir ||
+				error "tgt_dir not present after rename"
+
+	$CHECKSTAT -t file $tgt_dir/tgt_dir/a ||
+				error "a not present after rename"
+}
+run_test 110i "drop update reply during cross-MDT dir rename"
+
+test_110j () {
+	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return 0
+	local remote_dir=$DIR/$tdir/remote_dir
+	local local_dir=$DIR/$tdir/local_dir
+	local MDTIDX=1
+
+	mkdir -p $DIR/$tdir
+	mkdir $DIR/$tdir/local_dir
+	$LFS mkdir -i $MDTIDX $remote_dir
+
+	touch $local_dir/local_file
+	drop_update_reply $MDTIDX \
+		"ln $local_dir/local_file $remote_dir/remote_file" ||
+		error "ln failed"
+
+	$CHECKSTAT -t file $remote_dir/remote_file ||
+				error "remote not present after ln"
+}
+run_test 110j "drop update reply during cross-MDT ln"
+
+# LU-2844 mdt prepare fail should not cause umount oops
+test_111 ()
+{
+	[[ $(lustre_version_code $SINGLEMDS) -ge $(version_code 2.3.62) ]] ||
+		{ skip "Need MDS version at least 2.3.62"; return 0; }
+
+	local mdsdev=$(mdsdevname ${SINGLEMDS//mds/})
+#define OBD_FAIL_MDS_CHANGELOG_INIT 0x151
+	do_facet $SINGLEMDS lctl set_param fail_loc=0x151
+	stop $SINGLEMDS || error "stop MDS failed"
+	start $SINGLEMDS $mdsdev && error "start MDS should fail"
+	do_facet $SINGLEMDS lctl set_param fail_loc=0
+	start $SINGLEMDS $mdsdev || error "start MDS failed"
+}
+run_test 111 "mdd setup fail should not cause umount oops"
+
+# LU-793
+test_112a() {
+	remote_ost_nodsh && skip "remote OST with nodsh" && return 0
+
+	do_facet_random_file client $TMP/$tfile 100K ||
+		error_noexit "Create random file $TMP/$tfile"
+
+	pause_bulk "cp $TMP/$tfile $DIR/$tfile" $TIMEOUT ||
+		error_noexit "Can't pause_bulk copy"
+
+	df $DIR
+	# expect cmp to succeed, client resent bulk
+	cmp $TMP/$tfile $DIR/$tfile ||
+		error_noexit "Wrong data has been written"
+	rm $DIR/$tfile ||
+		error_noexit "Can't remove file"
+	rm $TMP/$tfile
+}
+run_test 112a "bulk resend while orignal request is in progress"
+
+test_115_read() {
+	local fail1=$1
+	local fail2=$2
+
+	df $DIR
+	dd if=/dev/zero of=$DIR/$tfile bs=4096 count=1
+	cancel_lru_locks osc
+
+	# OST_READ       =  3,
+	$LCTL set_param fail_loc=$fail1 fail_val=3
+	dd of=/dev/null if=$DIR/$tfile bs=4096 count=1 &
+	pid=$!
+	sleep 1
+
+	set_nodes_failloc "$(osts_nodes)" $fail2
+
+	wait $pid || error "dd failed"
+	return 0
+}
+
+test_115_write() {
+	local fail1=$1
+	local fail2=$2
+	local error=$3
+	local fail_val2=${4:-0}
+
+	df $DIR
+	touch $DIR/$tfile
+
+	# OST_WRITE      =  4,
+	$LCTL set_param fail_loc=$fail1 fail_val=4
+	dd if=/dev/zero of=$DIR/$tfile bs=4096 count=1 oflag=dsync &
+	pid=$!
+	sleep 1
+
+	df $MOUNT
+	set_nodes_failloc "$(osts_nodes)" $fail2 $fail_val2
+
+	wait $pid
+	rc=$?
+	[ $error -eq 0 ] && [ $rc -ne 0 ] && error "dd error ($rc)"
+	[ $error -ne 0 ] && [ $rc -eq 0 ] && error "dd success"
+	return 0
+}
+
+test_115a() {
+	[ $(lustre_version_code ost1) -lt $(version_code 2.8.50) ] &&
+		skip "need at least 2.8.50 on OST" && return 0
+
+	#define OBD_FAIL_PTLRPC_LONG_REQ_UNLINK  0x51b
+	#define OBD_FAIL_PTLRPC_DROP_BULK	 0x51a
+	test_115_read 0x8000051b 0x8000051a
+}
+run_test 115a "read: late REQ MDunlink and no bulk"
+
+test_115b() {
+	[ $(lustre_version_code ost1) -lt $(version_code 2.8.50) ] &&
+		skip "need at least 2.8.50 on OST" && return 0
+
+	#define OBD_FAIL_PTLRPC_LONG_REQ_UNLINK  0x51b
+	#define OBD_FAIL_OST_ENOSPC              0x215
+
+	# pass $OSTCOUNT for the fail_loc to be caught
+	# appropriately by the IO thread
+	test_115_write 0x8000051b 0x80000215 1 $OSTCOUNT
+}
+run_test 115b "write: late REQ MDunlink and no bulk"
+
+test_115c() {
+	[ $(lustre_version_code ost1) -lt $(version_code 2.8.50) ] &&
+		skip "need at least 2.8.50 on OST" && return 0
+
+	#define OBD_FAIL_PTLRPC_LONG_REPL_UNLINK 0x50f
+	#define OBD_FAIL_PTLRPC_DROP_BULK	 0x51a
+	test_115_read 0x8000050f 0x8000051a
+}
+run_test 115c "read: late Reply MDunlink and no bulk"
+
+test_115d() {
+	[ $(lustre_version_code ost1) -lt $(version_code 2.8.50) ] &&
+		skip "need at least 2.8.50 on OST" && return 0
+
+	#define OBD_FAIL_PTLRPC_LONG_REPL_UNLINK 0x50f
+	#define OBD_FAIL_OST_ENOSPC              0x215
+	test_115_write 0x8000050f 0x80000215 0
+}
+run_test 115d "write: late Reply MDunlink and no bulk"
+
+test_115e() {
+	[ $(lustre_version_code ost1) -lt $(version_code 2.8.50) ] &&
+		skip "need at least 2.8.50 on OST" && return 0
+
+	#define OBD_FAIL_PTLRPC_LONG_BULK_UNLINK 0x510
+	#define OBD_FAIL_OST_ALL_REPLY_NET       0x211
+	test_115_read 0x80000510 0x80000211
+}
+run_test 115e "read: late Bulk MDunlink and no reply"
+
+test_115f() {
+	[ $(lustre_version_code ost1) -lt $(version_code 2.8.50) ] &&
+		skip "need at least 2.8.50 on OST" && return 0
+
+	#define OBD_FAIL_PTLRPC_LONG_REQ_UNLINK  0x51b
+	#define OBD_FAIL_OST_ALL_REPLY_NET       0x211
+	test_115_read 0x8000051b 0x80000211
+}
+run_test 115f "read: late REQ MDunlink and no reply"
+
+test_115g() {
+	[ $(lustre_version_code ost1) -lt $(version_code 2.8.50) ] &&
+		skip "need at least 2.8.50 on OST" && return 0
+
+	#define OBD_FAIL_PTLRPC_LONG_BOTH_UNLINK 0x51c
+	test_115_read 0x8000051c 0
+}
+run_test 115g "read: late REQ MDunlink and Reply MDunlink"
+
+# parameters: fail_loc CMD RC
+test_120_reply() {
+	local PID
+	local PID2
+	local rc=5
+	local fail
+
+	#define OBD_FAIL_LDLM_CP_CB_WAIT2	0x320
+	#define OBD_FAIL_LDLM_CP_CB_WAIT3	0x321
+	#define OBD_FAIL_LDLM_CP_CB_WAIT4	0x322
+	#define OBD_FAIL_LDLM_CP_CB_WAIT5	0x323
+
+	echo
+	echo -n "** FLOCK REPLY vs. EVICTION race, lock $2"
+	[ "$1" = "CLEANUP" ] &&
+		fail=0x80000320 && echo ", $1 cp first"
+	[ "$1" = "REPLY" ] &&
+		fail=0x80000321 && echo ", $1 cp first"
+	[ "$1" = "DEADLOCK CLEANUP" ] &&
+		fail=0x80000322 && echo " DEADLOCK, CLEANUP cp first"
+	[ "$1" = "DEADLOCK REPLY" ] &&
+		fail=0x80000323 && echo " DEADLOCK, REPLY cp first"
+
+	if [ x"$2" = x"get" ]; then
+		#for TEST lock, take a conflict in advance
+		# sleep longer than evictor to not confuse fail_loc: 2+2+4
+		echo "** Taking conflict **"
+		flocks_test 5 set read sleep 10 $DIR/$tfile &
+		PID2=$!
+
+		sleep 2
+	fi
+
+	$LCTL set_param fail_loc=$fail
+
+	flocks_test 5 $2 write $DIR/$tfile &
+	PID=$!
+
+	sleep 2
+	echo "** Evicting and re-connecting client **"
+	mds_evict_client
+
+	client_reconnect
+
+	if [ x"$2" = x"get" ]; then
+		wait $PID2
+	fi
+
+	wait $PID
+	rc=$?
+
+	# check if the return value is allowed
+	[ $rc -eq $3 ] && rc=0
+
+	$LCTL set_param fail_loc=0
+	return $rc
+}
+
+# a lock is taken, unlock vs. cleanup_resource() race for destroying
+# the ORIGINAL lock.
+test_120_destroy()
+{
+	local PID
+
+	flocks_test 5 set write sleep 4 $DIR/$tfile &
+	PID=$!
+	sleep 2
+
+	# let unlock to sleep in CP CB
+	$LCTL set_param fail_loc=$1
+	sleep 4
+
+	# let cleanup to cleep in CP CB
+	mds_evict_client
+
+	client_reconnect
+
+	wait $PID
+	rc=$?
+
+	$LCTL set_param fail_loc=0
+	return $rc
+}
+
+test_120() {
+	flock_is_enabled || { skip "mount w/o flock enabled" && return; }
+	touch $DIR/$tfile
+
+	test_120_reply "CLEANUP" set 5 || error "SET race failed"
+	test_120_reply "CLEANUP" get 5 || error "GET race failed"
+	test_120_reply "CLEANUP" unlock 5 || error "UNLOCK race failed"
+
+	test_120_reply "REPLY" set 5 || error "SET race failed"
+	test_120_reply "REPLY" get 5 || error "GET race failed"
+	test_120_reply "REPLY" unlock 5 || error "UNLOCK race failed"
+
+	# DEADLOCK tests
+	test_120_reply "DEADLOCK CLEANUP" set 5 || error "DEADLOCK race failed"
+	test_120_reply "DEADLOCK REPLY" set 35 || error "DEADLOCK race failed"
+
+	test_120_destroy 0x320 || error "unlock-cleanup race failed"
+}
+run_test 120 "flock race: completion vs. evict"
+
+test_113() {
+	local BEFORE=$(date +%s)
+	local EVICT
+
+	# modify dir so that next revalidate would not obtain UPDATE lock
+	touch $DIR
+
+	# drop 1 reply with UPDATE lock,
+	# resend should not create 2nd lock on server
+	mcreate $DIR/$tfile || error "mcreate failed: $?"
+	drop_ldlm_reply_once "stat $DIR/$tfile" || error "stat failed: $?"
+
+	# 2 BL AST will be sent to client, both must find the same lock,
+	# race them to not get EINVAL for 2nd BL AST
+	#define OBD_FAIL_LDLM_PAUSE_CANCEL2      0x31f
+	$LCTL set_param fail_loc=0x8000031f
+
+	$LCTL set_param ldlm.namespaces.*.early_lock_cancel=0 > /dev/null
+	chmod 0777 $DIR/$tfile || error "chmod failed: $?"
+	$LCTL set_param ldlm.namespaces.*.early_lock_cancel=1 > /dev/null
+
+	# let the client reconnect
+	client_reconnect
+	EVICT=$($LCTL get_param mdc.$FSNAME-MDT*.state |
+	  awk -F"[ [,]" '/EVICTED ]$/ { if (mx<$5) {mx=$5;} } END { print mx }')
+
+	[ -z "$EVICT" ] || [[ $EVICT -le $BEFORE ]] || error "eviction happened"
+}
+run_test 113 "ldlm enqueue dropped reply should not cause deadlocks"
+
+T130_PID=0
+test_130_base() {
+	test_mkdir -p $DIR/$tdir
+
+	# Prevent interference from layout intent RPCs due to
+	# asynchronous writeback. These will be tested in 130c below.
+	do_nodes ${CLIENTS:-$HOSTNAME} sync
+
+	# get only LOOKUP lock on $tdir
+	cancel_lru_locks mdc
+	ls $DIR/$tdir/$tfile 2>/dev/null
+
+	# get getattr by fid on $tdir
+	#
+	# we need to race with unlink, unlink must complete before we will
+	# take a DLM lock, otherwise unlink will wait until getattr will
+	# complete; but later than getattr starts so that getattr found
+	# the object
+#define OBD_FAIL_MDS_INTENT_DELAY		0x160
+	set_nodes_failloc "$(mdts_nodes)" 0x80000160
+	stat $DIR/$tdir &
+	T130_PID=$!
+	sleep 2
+
+	rm -rf $DIR/$tdir
+
+	# drop the reply so that resend happens on an unlinked file.
+#define OBD_FAIL_MDS_LDLM_REPLY_NET	 0x157
+	set_nodes_failloc "$(mdts_nodes)" 0x80000157
+}
+
+test_130a() {
+	remote_mds_nodsh && skip "remote MDS with nodsh" && return
+	test_130_base
+
+	wait $T130_PID || [ $? -eq 0 ] && error "stat should fail"
+	return 0
+}
+run_test 130a "enqueue resend on not existing file"
+
+test_130b() {
+	remote_mds_nodsh && skip "remote MDS with nodsh" && return
+	test_130_base
+	# let the reply to be dropped
+	sleep 10
+
+#define OBD_FAIL_SRV_ENOENT              0x217
+	set_nodes_failloc "$(mdts_nodes)" 0x80000217
+
+	wait $T130_PID || [ $? -eq 0 ] && error "stat should fail"
+	return 0
+}
+run_test 130b "enqueue resend on a stale inode"
+
+test_130c() {
+	remote_mds_nodsh && skip "remote MDS with nodsh" && return
+
+	do_nodes ${CLIENTS:-$HOSTNAME} sync
+	echo XXX > $DIR/$tfile
+
+	cancel_lru_locks mdc
+
+	# Trigger writeback on $tfile.
+	#
+	# we need to race with unlink, unlink must complete before we will
+	# take a DLM lock, otherwise unlink will wait until intent will
+	# complete; but later than intent starts so that intent found
+	# the object
+#define OBD_FAIL_MDS_INTENT_DELAY		0x160
+	set_nodes_failloc "$(mdts_nodes)" 0x80000160
+	sync &
+	T130_PID=$!
+	sleep 2
+
+	rm $DIR/$tfile
+
+	# drop the reply so that resend happens on an unlinked file.
+#define OBD_FAIL_MDS_LDLM_REPLY_NET	 0x157
+	set_nodes_failloc "$(mdts_nodes)" 0x80000157
+
+	# let the reply to be dropped
+	sleep 10
+
+#define OBD_FAIL_SRV_ENOENT              0x217
+	set_nodes_failloc "$(mdts_nodes)" 0x80000217
+
+	wait $T130_PID
+
+	return 0
+}
+run_test 130c "layout intent resend on a stale inode"
+
+test_132() {
+	local before=$(date +%s)
+	local evict
+
+	mount_client $MOUNT2 || error "mount filed"
+
+	rm -f $DIR/$tfile
+	# get a lock on client so that export would reach the stale list
+	$SETSTRIPE -i 0 $DIR/$tfile || error "setstripe failed"
+	dd if=/dev/zero of=$DIR/$tfile bs=4096 count=1 conv=fsync ||
+		error "dd failed"
+
+	#define OBD_FAIL_OST_PAUSE_PUNCH         0x236
+	do_facet ost1 $LCTL set_param fail_val=120 fail_loc=0x80000236
+
+	$TRUNCATE $DIR/$tfile 100 &
+
+	sleep 1
+	dd if=/dev/zero of=$DIR2/$tfile bs=4096 count=1 conv=notrunc ||
+		error "dd failed"
+
+	wait
+	umount_client $MOUNT2
+
+	evict=$(do_facet client $LCTL get_param \
+		osc.$FSNAME-OST0000-osc-*/state |
+	    awk -F"[ [,]" '/EVICTED ]$/ { if (t<$5) {t=$5;} } END { print t }')
+
+	[ -z "$evict" ] || [[ $evict -le $before ]] ||
+		(do_facet client $LCTL get_param \
+			osc.$FSNAME-OST0000-osc-*/state;
+		    error "eviction happened: $evict before:$before")
+}
+run_test 132 "long punch"
+
+test_131() {
+	remote_ost_nodsh && skip "remote OST with nodsh" && return 0
+
+	rm -f $DIR/$tfile
+	# get a lock on client so that export would reach the stale list
+	$SETSTRIPE -i 0 $DIR/$tfile || error "setstripe failed"
+	dd if=/dev/zero of=$DIR/$tfile count=1 || error "dd failed"
+
+	# another IO under the same lock
+	#define OBD_FAIL_OSC_DELAY_IO            0x414
+	$LCTL set_param fail_loc=0x80000414
+	$LCTL set_param fail_val=4 fail_loc=0x80000414
+	dd if=/dev/zero of=$DIR/$tfile count=1 conv=notrunc oflag=dsync &
+	local pid=$!
+	sleep 1
+
+	#define OBD_FAIL_LDLM_BL_EVICT           0x31e
+	set_nodes_failloc "$(osts_nodes)" 0x8000031e
+	ost_evict_client
+	client_reconnect
+
+	wait $pid && error "dd succeeded"
+	return 0
+}
+run_test 131 "IO vs evict results to IO under staled lock"
+
+test_133() {
+	local list=$(comma_list $(mdts_nodes))
+
+	local t=$((TIMEOUT * 2))
+	touch $DIR/$tfile
+
+	flock $DIR/$tfile -c "echo bl lock;sleep $t;echo bl flock unlocked" &
+	sleep 1
+	multiop_bg_pause $DIR/$tfile O_jc || return 1
+	PID=$!
+
+	#define OBD_FAIL_LDLM_REPLY              0x30c
+	do_nodes $list $LCTL set_param fail_loc=0x8000030c
+	kill -USR1 $PID
+	echo "waiting for multiop $PID"
+	wait $PID || return 2
+
+	rm -f $DIR/$tfile
+
+	return 0
+}
+run_test 133 "don't fail on flock resend"
+
+test_134() {
+	local file1
+	local pid1
+	local pid2
+	local i
+
+	[ $OSTCOUNT -lt 2 ] && skip "needs >= 2 OSTs" && return 0
+	[[ $(lustre_version_code $SINGLEMDS) -lt $(version_code 2.8.59) ]] &&
+		skip "Need MDS version at least 2.8.59" && return
+
+	test_mkdir -p $DIR/$tdir
+	file1="$DIR/$tdir/file1"
+	file2="$DIR/$tdir/file2"
+
+#define OBD_FAIL_MDS_OSP_PRECREATE_WAIT	 0x164
+	# reserve stripe on ost1, block on ost2
+	do_facet $SINGLEMDS \
+		"lctl set_param fail_loc=0x80000164 fail_val=1"
+	$SETSTRIPE  -c 2 -o 0,1 $file1 &
+	pid1=$!
+	sleep 1
+
+	# initiate recovery with orphan cleanup on ost1
+	facet_failover ost1
+
+	# when OST1 recovery is over, the first setstripe should still
+	# have the object reserved, but that should not block new creates
+	# on OST1
+	$SETSTRIPE  -c 1 -o 0 $file2 &
+	pid2=$!
+	for ((i=0;i<$((TIMEOUT/2));i++)); do
+		if ! stat /proc/$pid2 >&/dev/null; then
+			echo "DONE!"
+			break
+		fi
+		echo "WAITING ..."
+		sleep 1
+	done
+	if let "i >= (TIMEOUT/2)"; then
+		error "create seem to get blocked by recovery"
+	fi
+	wait $pid1
+	wait $pid2
+	return 0
+}
+run_test 134 "MDT<>OST recovery don't block multistripe file creation"
+
+complete $SECONDS
 check_and_cleanup_lustre
-[ -f "$TESTSUITELOG" ] && cat $TESTSUITELOG && grep -q FAIL $TESTSUITELOG && exit 1 || true
+exit_status