X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Ftests%2Fsanity.sh;h=1f25579be06fbcef5057d08c7358bab5b944d1bf;hp=ffacbcec952d1086eebb090ef84d5012f36c5e3f;hb=fd77bcb47ca9b5fea56e0ade43b95faf2622d6d2;hpb=34e4c37474b3d9328aac1dd9228a018ac7d4f47e

diff --git a/lustre/tests/sanity.sh b/lustre/tests/sanity.sh
index ffacbce..1f25579 100755
--- a/lustre/tests/sanity.sh
+++ b/lustre/tests/sanity.sh
@@ -41,8 +41,8 @@ init_logging
 ALWAYS_EXCEPT="$SANITY_EXCEPT "
 # bug number for skipped test: LU-9693 LU-6493 LU-9693
 ALWAYS_EXCEPT+="               42a     42b     42c "
-# bug number:    LU-8411 LU-9054
-ALWAYS_EXCEPT+=" 407     312 "
+# bug number:    LU-8411 LU-9054 LU-13314
+ALWAYS_EXCEPT+=" 407     312	56ob"
 
 if $SHARED_KEY; then
 	# bug number:    LU-9795 LU-9795 LU-9795 LU-9795
@@ -75,7 +75,7 @@ if (( $LINUX_VERSION_CODE >= $(version_code 4.18.0) &&
 	ALWAYS_EXCEPT+=" 411"
 fi
 
-#                                  5          12          (min)"
+#                                  5          12     8   12  (min)"
 [ "$SLOW" = "no" ] && EXCEPT_SLOW="27m 64b 68 71 115 135 136 300o"
 
 if [ "$mds1_FSTYPE" = "zfs" ]; then
@@ -556,11 +556,6 @@ test_17g() {
 	[ $MDS1_VERSION -le $(version_code 2.3.55) ] &&
 		TESTS="4094 4095"
 
-	# skip long symlink name for rhel6.5.
-	# rhel6.5 has a limit (PATH_MAX - sizeof(struct filename))
-	grep -q '6.5' /etc/redhat-release &>/dev/null &&
-		TESTS="59 60 61 4062 4063"
-
 	for i in $TESTS; do
 		local SYMNAME=$(str_repeat 'x' $i)
 		ln -s $SYMNAME $DIR/$tdir/f$i || error "failed $i-char symlink"
@@ -2647,7 +2642,7 @@ test_27I() {
 run_test 27I "check that root dir striping does not break parent dir one"
 
 test_27J() {
-	[[ $(lustre_version_code $SINGLEMDS) -le $(version_code 2.12.51) ]] &&
+	[[ $MDS1_VERSION -le $(version_code 2.12.51) ]] &&
 		skip "Need MDS version newer than 2.12.51"
 
 	test_mkdir $DIR/$tdir
@@ -2742,7 +2737,7 @@ test_27J() {
 run_test 27J "basic ops on file with foreign LOV"
 
 test_27K() {
-	[[ $(lustre_version_code $SINGLEMDS) -le $(version_code 2.12.49) ]] &&
+	[[ $MDS1_VERSION -le $(version_code 2.12.49) ]] &&
 		skip "Need MDS version newer than 2.12.49"
 
 	test_mkdir $DIR/$tdir
@@ -6443,7 +6438,9 @@ test_56wb() {
 	echo "done."
 
 	echo -n "Removing test file from pool '$pool'..."
-	$LFS migrate $file1 &> /dev/null ||
+	# "lfs migrate $file" won't remove the file from the pool
+	# until some striping information is changed.
+	$LFS migrate -c 1 $file1 &> /dev/null ||
 		error "cannot remove from pool"
 	[ "$($LFS getstripe -p $file1)" ] &&
 		error "pool still set"
@@ -6465,19 +6462,23 @@ run_test 56wb "check lfs_migrate pool support"
 
 test_56wc() {
 	local file1="$DIR/$tdir/file1"
+	local parent_ssize
+	local parent_scount
+	local cur_ssize
+	local cur_scount
+	local orig_ssize
 
 	echo -n "Creating test dir..."
 	test_mkdir $DIR/$tdir &> /dev/null || error "cannot create dir"
-	local def_stripe_size=$($LFS getstripe -S $DIR/$tdir 2>/dev/null)
 	$LFS setstripe -S 1M -c 1 "$DIR/$tdir" &> /dev/null ||
-		error "cannot set stripe"
+		error "cannot set stripe by '-S 1M -c 1'"
 	echo "done"
 
 	echo -n "Setting initial stripe for test file..."
 	$LFS setstripe -S 512K -c 1 "$file1" &> /dev/null ||
 		error "cannot set stripe"
-	[ $($LFS getstripe -S "$file1") -eq 524288 ] ||
-		error "stripe size not set"
+	cur_ssize=$($LFS getstripe -S "$file1")
+	[ $cur_ssize -eq 524288 ] || error "setstripe -S $cur_ssize != 524288"
 	echo "done."
 
 	# File currently set to -S 512K -c 1
@@ -6494,8 +6495,8 @@ test_56wc() {
 	echo -n "Verifying -S option is passed through to lfs migrate..."
 	$LFS_MIGRATE -y -S 1M "$file1" &> /dev/null ||
 		error "migration failed"
-	[ $($LFS getstripe -S "$file1") -eq 1048576 ] ||
-		error "file was not restriped"
+	cur_ssize=$($LFS getstripe -S "$file1")
+	[ $cur_ssize -eq 1048576 ] || error "migrate -S $cur_ssize != 1048576"
 	echo "done."
 
 	# File currently set to -S 1M -c 1
@@ -6506,8 +6507,9 @@ test_56wc() {
 		error "long option without argument not supported"
 	$LFS_MIGRATE -y --stripe-size 512K "$file1" &> /dev/null ||
 		error "long option with argument not supported"
-	[ $($LFS getstripe -S "$file1") -eq 524288 ] ||
-		error "file not restriped with --stripe-size option"
+	cur_ssize=$($LFS getstripe -S "$file1")
+	[ $cur_ssize -eq 524288 ] ||
+		error "migrate --stripe-size $cur_ssize != 524288"
 	echo "done."
 
 	# File currently set to -S 512K -c 1
@@ -6516,8 +6518,8 @@ test_56wc() {
 		echo -n "Verifying explicit stripe count can be set..."
 		$LFS_MIGRATE -y -c 2 "$file1" &> /dev/null ||
 			error "migrate failed"
-		[ $($LFS getstripe -c "$file1") -eq 2 ] ||
-			error "file not restriped to explicit count"
+		cur_scount=$($LFS getstripe -c "$file1")
+		[ $cur_scount -eq 2 ] || error "migrate -c $cur_scount != 2"
 		echo "done."
 	fi
 
@@ -6526,17 +6528,21 @@ test_56wc() {
 	# Ensure parent striping is used if -R is set, and no stripe
 	# count or size is specified
 	echo -n "Setting stripe for parent directory..."
-	$LFS setstripe -S 1M -c 1 "$DIR/$tdir" &> /dev/null ||
-		error "cannot set stripe"
+	$LFS setstripe -S 2M -c 1 "$DIR/$tdir" &> /dev/null ||
+		error "cannot set stripe '-S 2M -c 1'"
 	echo "done."
 
 	echo -n "Verifying restripe option uses parent stripe settings..."
+	parent_ssize=$($LFS getstripe -S $DIR/$tdir 2>/dev/null)
+	parent_scount=$($LFS getstripe -c $DIR/$tdir 2>/dev/null)
 	$LFS_MIGRATE -y -R "$file1" &> /dev/null ||
 		error "migrate failed"
-	[ $($LFS getstripe -S "$file1") -eq $def_stripe_size ] ||
-		error "file not restriped to parent settings"
-	[ $($LFS getstripe -c "$file1") -eq 1 ] ||
-		error "file not restriped to parent settings"
+	cur_ssize=$($LFS getstripe -S "$file1")
+	[ $cur_ssize -eq $parent_ssize ] ||
+		error "migrate -R stripe_size $cur_ssize != $parent_ssize"
+	cur_scount=$($LFS getstripe -c "$file1")
+	[ $cur_scount -eq $parent_scount ] ||
+		error "migrate -R stripe_count $cur_scount != $parent_scount"
 	echo "done."
 
 	# File currently set to -S 1M -c 1
@@ -6544,13 +6550,14 @@ test_56wc() {
 	# Ensure striping is preserved if -R is not set, and no stripe
 	# count or size is specified
 	echo -n "Verifying striping size preserved when not specified..."
-	local orig_stripe_size=$($LFS getstripe -S "$file1" 2>/dev/null)
+	orig_ssize=$($LFS getstripe -S "$file1" 2>/dev/null)
 	$LFS setstripe -S 2M -c 1 "$DIR/$tdir" &> /dev/null ||
 		error "cannot set stripe on parent directory"
 	$LFS_MIGRATE -y "$file1" &> /dev/null ||
 		error "migrate failed"
-	[ $($LFS getstripe -S "$file1") -eq $orig_stripe_size ] ||
-		error "file was restriped"
+	cur_ssize=$($LFS getstripe -S "$file1")
+	[ $cur_ssize -eq $orig_ssize ] ||
+		error "migrate by default $cur_ssize != $orig_ssize"
 	echo "done."
 
 	# Ensure file name properly detected when final option has no argument
@@ -6838,6 +6845,75 @@ test_56xc() {
 }
 run_test 56xc "lfs migration autostripe"
 
+test_56xd() {
+	[[ $OSTCOUNT -lt 2 ]] && skip_env "needs >= 2 OSTs"
+
+	local dir=$DIR/$tdir
+	local f_mgrt=$dir/$tfile.mgrt
+	local f_yaml=$dir/$tfile.yaml
+	local f_copy=$dir/$tfile.copy
+	local layout_yaml="-E 1M -S 512K -c 1 -E -1 -S 1M -c 2 -i 0"
+	local layout_copy="-c 2 -S 2M -i 1"
+	local yamlfile=$dir/yamlfile
+	local layout_before;
+	local layout_after;
+
+	test_mkdir "$dir" || error "cannot create dir $dir"
+	$LFS setstripe $layout_yaml $f_yaml ||
+		error "cannot setstripe $f_yaml with layout $layout_yaml"
+	$LFS getstripe --yaml $f_yaml > $yamlfile
+	$LFS setstripe $layout_copy $f_copy ||
+		error "cannot setstripe $f_copy with layout $layout_copy"
+	touch $f_mgrt
+	dd if=/dev/zero of=$f_mgrt bs=1M count=4
+
+	# 1. test option --yaml
+	$LFS_MIGRATE -y --yaml $yamlfile $f_mgrt ||
+		error "cannot migrate $f_mgrt with --yaml $yamlfile"
+	layout_before=$(get_layout_param $f_yaml)
+	layout_after=$(get_layout_param $f_mgrt)
+	[ "$layout_after" == "$layout_before" ] ||
+		error "lfs_migrate --yaml: $layout_after != $layout_before"
+
+	# 2. test option --copy
+	$LFS_MIGRATE -y --copy $f_copy $f_mgrt ||
+		error "cannot migrate $f_mgrt with --copy $f_copy"
+	layout_before=$(get_layout_param $f_copy)
+	layout_after=$(get_layout_param $f_mgrt)
+	[ "$layout_after" == "$layout_before" ] ||
+		error "lfs_migrate --copy: $layout_after != $layout_before"
+}
+run_test 56xd "check lfs_migrate --yaml and --copy support"
+
+test_56xe() {
+	[[ $OSTCOUNT -lt 2 ]] && skip_env "needs >= 2 OSTs"
+
+	local dir=$DIR/$tdir
+	local f_comp=$dir/$tfile
+	local layout="-E 1M -S 512K -c 1 -E -1 -S 1M -c 2 -i 0"
+	local layout_before=""
+	local layout_after=""
+
+	test_mkdir "$dir" || error "cannot create dir $dir"
+	$LFS setstripe $layout $f_comp ||
+		error "cannot setstripe $f_comp with layout $layout"
+	layout_before=$(get_layout_param $f_comp)
+	dd if=/dev/zero of=$f_comp bs=1M count=4
+
+	# 1. migrate a comp layout file by lfs_migrate
+	$LFS_MIGRATE -y $f_comp || error "cannot migrate $f_comp by lfs_migrate"
+	layout_after=$(get_layout_param $f_comp)
+	[ "$layout_before" == "$layout_after" ] ||
+		error "lfs_migrate: $layout_before != $layout_after"
+
+	# 2. migrate a comp layout file by lfs migrate
+	$LFS migrate $f_comp || error "cannot migrate $f_comp by lfs migrate"
+	layout_after=$(get_layout_param $f_comp)
+	[ "$layout_before" == "$layout_after" ] ||
+		error "lfs migrate: $layout_before != $layout_after"
+}
+run_test 56xe "migrate a composite layout file"
+
 test_56y() {
 	[ $MDS1_VERSION -lt $(version_code 2.4.53) ] &&
 		skip "No HSM $(lustre_build_version $SINGLEMDS) MDS < 2.4.53"
@@ -7844,7 +7920,7 @@ run_test 65m "normal user can't set filesystem default stripe"
 
 test_65n() {
 	[ -n "$FILESET" ] && skip "Not functional for FILESET set"
-	[[ $(lustre_version_code $SINGLEMDS) -ge $(version_code 2.12.50) ]] ||
+	[[ $MDS1_VERSION -ge $(version_code 2.12.50) ]] ||
 		skip "Need MDS version at least 2.12.50"
 	[[ $PARALLEL != "yes" ]] || skip "skip parallel run"
 
@@ -8937,11 +9013,6 @@ test_101c() {
 }
 run_test 101c "check stripe_size aligned read-ahead ================="
 
-set_read_ahead() {
-	$LCTL get_param -n llite.*.max_read_ahead_mb | head -n 1
-	$LCTL set_param -n llite.*.max_read_ahead_mb $1 > /dev/null 2>&1
-}
-
 test_101d() {
 	[ $PARALLEL == "yes" ] && skip "skip parallel run"
 
@@ -8961,7 +9032,10 @@ test_101d() {
 	cancel_lru_locks osc
 
 	echo Disable read-ahead
-	local old_READAHEAD=$(set_read_ahead 0)
+	local old_RA=$($LCTL get_param -n llite.*.max_read_ahead_mb | head -n 1)
+	$LCTL set_param -n llite.*.max_read_ahead_mb=0
+	stack_trap "$LCTL set_param -n llite.*.max_read_ahead_mb $old_RA" EXIT
+	$LCTL get_param -n llite.*.max_read_ahead_mb
 
 	echo Reading the test file $file with read-ahead disabled
 	local raOFF=$(do_and_time "dd if=$file of=/dev/null bs=1M count=$sz_MB")
@@ -8969,7 +9043,7 @@ test_101d() {
 	echo Cancel LRU locks on lustre client to flush the client cache
 	cancel_lru_locks osc
 	echo Enable read-ahead with ${ra_MB}MB
-	set_read_ahead $ra_MB
+	$LCTL set_param -n llite.*.max_read_ahead_mb=$ra_MB
 
 	echo Reading the test file $file with read-ahead enabled
 	local raON=$(do_and_time "dd if=$file of=/dev/null bs=1M count=$sz_MB")
@@ -8977,7 +9051,6 @@ test_101d() {
 	echo "read-ahead disabled time read $raOFF"
 	echo "read-ahead enabled  time read $raON"
 
-	set_read_ahead $old_READAHEAD
 	rm -f $file
 	wait_delete_completed
 
@@ -12667,7 +12740,7 @@ test_136() {
 	local fname
 
 	mkdir -p $DIR/$tdir || error "failed to create $DIR/$tdir"
-	$SETSTRIPE -c 1 -i 0 $DIR/$tdir || error "failed to set striping"
+	$LFS setstripe -c 1 -i 0 $DIR/$tdir || error "failed to set striping"
 	#set only one record at plain llog
 #define OBD_FAIL_CATALOG_FULL_CHECK                0x131a
 	do_facet $SINGLEMDS $LCTL set_param fail_loc=0x131a fail_val=1
@@ -14328,8 +14401,10 @@ test_160j() {
 		skip "Need MDS version at least 2.12.56"
 
 	mount_client $MOUNT2 || error "mount_client on $MOUNT2 failed"
+	stack_trap "umount $MOUNT2" EXIT
 
 	changelog_register || error "first changelog_register failed"
+	stack_trap "changelog_deregister" EXIT
 
 	# generate some changelog
 	test_mkdir -c $MDSCOUNT $DIR/$tdir || error "mkdir $tdir failed"
@@ -14338,10 +14413,13 @@ test_160j() {
 
 	# open the changelog device
 	exec 3>/dev/changelog-$FSNAME-MDT0000
+	stack_trap "exec 3>&-" EXIT
 	exec 4</dev/changelog-$FSNAME-MDT0000
+	stack_trap "exec 4<&-" EXIT
 
 	# umount the first lustre mount
 	umount $MOUNT
+	stack_trap "mount_client $MOUNT" EXIT
 
 	# read changelog
 	cat <&4 >/dev/null || error "read changelog failed"
@@ -14353,15 +14431,6 @@ test_160j() {
 
 	printf 'clear:'$cl_user':0' >&3
 
-	# close
-	exec 3>&-
-	exec 4<&-
-
-	# cleanup
-	changelog_deregister || error "changelog_deregister failed"
-
-	umount $MOUNT2
-	mount_client $MOUNT || error "mount_client on $MOUNT failed"
 }
 run_test 160j "client can be umounted  while its chanangelog is being used"
 
@@ -16205,8 +16274,7 @@ test_224c() { # LU-6441
 	save_writethrough $p
 	set_cache writethrough on
 
-	local pages_per_rpc=$($LCTL get_param \
-				osc.*.max_pages_per_rpc)
+	local pages_per_rpc=$($LCTL get_param osc.*.max_pages_per_rpc)
 	local at_max=$($LCTL get_param -n at_max)
 	local timeout=$($LCTL get_param -n timeout)
 	local test_at="at_max"
@@ -20091,7 +20159,7 @@ test_300q() {
 run_test 300q "create remote directory under orphan directory"
 
 test_300r() {
-	[ $(lustre_version_code $SINGLEMDS) -lt $(version_code 2.7.55) ] &&
+	[ $MDS1_VERSION -lt $(version_code 2.7.55) ] &&
 		skip "Need MDS version at least 2.7.55" && return
 	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return
 
@@ -20549,6 +20617,105 @@ test_319() {
 }
 run_test 319 "lost lease lock on migrate error"
 
+test_398a() { # LU-4198
+	$LFS setstripe -c 1 -i 0 $DIR/$tfile
+	$LCTL set_param ldlm.namespaces.*.lru_size=clear
+
+	# request a new lock on client
+	dd if=/dev/zero of=$DIR/$tfile bs=1M count=1
+
+	dd if=/dev/zero of=$DIR/$tfile bs=1M count=1 oflag=direct conv=notrunc
+	local lock_count=$($LCTL get_param -n \
+			   ldlm.namespaces.*-OST0000-osc-ffff*.lru_size)
+	[[ $lock_count -eq 0 ]] || error "lock should be cancelled by direct IO"
+
+	$LCTL set_param ldlm.namespaces.*-OST0000-osc-ffff*.lru_size=clear
+
+	# no lock cached, should use lockless IO and not enqueue new lock
+	dd if=/dev/zero of=$DIR/$tfile bs=1M count=1 oflag=direct conv=notrunc
+	lock_count=$($LCTL get_param -n \
+		     ldlm.namespaces.*-OST0000-osc-ffff*.lru_size)
+	[[ $lock_count -eq 0 ]] || error "no lock should be held by direct IO"
+}
+run_test 398a "direct IO should cancel lock otherwise lockless"
+
+test_398b() { # LU-4198
+	which fio || skip_env "no fio installed"
+	$LFS setstripe -c -1 $DIR/$tfile
+
+	local size=12
+	dd if=/dev/zero of=$DIR/$tfile bs=1M count=$size
+
+	local njobs=4
+	echo "mix direct rw ${size}M to OST0 by fio with $njobs jobs..."
+	fio --name=rand-rw --rw=randrw --bs=$PAGE_SIZE --direct=1 \
+		--numjobs=$njobs --fallocate=none \
+		--iodepth=16 --allow_file_create=0 --size=$((size/njobs))M \
+		--filename=$DIR/$tfile &
+	bg_pid=$!
+
+	echo "mix buffer rw ${size}M to OST0 by fio with $njobs jobs..."
+	fio --name=rand-rw --rw=randrw --bs=$PAGE_SIZE \
+		--numjobs=$njobs --fallocate=none \
+		--iodepth=16 --allow_file_create=0 --size=$((size/njobs))M \
+		--filename=$DIR/$tfile || true
+	wait $bg_pid
+
+	rm -rf $DIR/$tfile
+}
+run_test 398b "DIO and buffer IO race"
+
+test_398c() { # LU-4198
+	which fio || skip_env "no fio installed"
+
+	saved_debug=$($LCTL get_param -n debug)
+	$LCTL set_param debug=0
+
+	local size=$(lctl get_param -n osc.$FSNAME-OST0000*.kbytesavail | head -1)
+	((size /= 1024)) # by megabytes
+	((size /= 2)) # write half of the OST at most
+	[ $size -gt 40 ] && size=40 #reduce test time anyway
+
+	$LFS setstripe -c 1 $DIR/$tfile
+
+	# it seems like ldiskfs reserves more space than necessary if the
+	# writing blocks are not mapped, so it extends the file firstly
+	dd if=/dev/zero of=$DIR/$tfile bs=1M count=$size && sync
+	cancel_lru_locks osc
+
+	# clear and verify rpc_stats later
+	$LCTL set_param osc.${FSNAME}-OST0000-osc-ffff*.rpc_stats=clear
+
+	local njobs=4
+	echo "writing ${size}M to OST0 by fio with $njobs jobs..."
+	fio --name=rand-write --rw=randwrite --bs=$PAGE_SIZE --direct=1 \
+		--numjobs=$njobs --fallocate=none --ioengine=libaio \
+		--iodepth=16 --allow_file_create=0 --size=$((size/njobs))M \
+		--filename=$DIR/$tfile
+	[ $? -eq 0 ] || error "fio write error"
+
+	[ $($LCTL get_param -n \
+	 ldlm.namespaces.${FSNAME}-OST0000-osc-ffff*.lock_count) -eq 0 ] ||
+		error "Locks were requested while doing AIO"
+
+	# get the percentage of 1-page I/O
+	pct=$($LCTL get_param osc.${FSNAME}-OST0000-osc-ffff*.rpc_stats |
+		grep -A 1 'pages per rpc' | grep -v 'pages per rpc' |
+		awk '{print $7}')
+	[ $pct -le 50 ] || error "$pct% of I/O are 1-page"
+
+	echo "mix rw ${size}M to OST0 by fio with $njobs jobs..."
+	fio --name=rand-rw --rw=randrw --bs=$PAGE_SIZE --direct=1 \
+		--numjobs=$njobs --fallocate=none --ioengine=libaio \
+		--iodepth=16 --allow_file_create=0 --size=$((size/njobs))M \
+		--filename=$DIR/$tfile
+	[ $? -eq 0 ] || error "fio mixed read write error"
+
+	rm -rf $DIR/$tfile
+	$LCTL set_param debug="$saved_debug"
+}
+run_test 398c "run fio to test AIO"
+
 test_fake_rw() {
 	local read_write=$1
 	if [ "$read_write" = "write" ]; then
@@ -21062,7 +21229,7 @@ run_test 411 "Slab allocation error with cgroup does not LBUG"
 
 test_412() {
 	[ $MDSCOUNT -lt 2 ] && skip_env "needs >= 2 MDTs"
-	if [ $(lustre_version_code mds1) -lt $(version_code 2.10.55) ]; then
+	if [ $MDS1_VERSION -lt $(version_code 2.10.55) ]; then
 		skip "Need server version at least 2.10.55"
 	fi
 
@@ -21330,7 +21497,7 @@ run_test 414 "simulate ENOMEM in ptlrpc_register_bulk()"
 
 test_415() {
 	[ $PARALLEL == "yes" ] && skip "skip parallel run"
-	[ $(lustre_version_code mds1) -lt $(version_code 2.11.52) ] &&
+	[ $MDS1_VERSION -lt $(version_code 2.11.52) ] &&
 		skip "Need server version at least 2.11.52"
 
 	# LU-11102
@@ -21372,7 +21539,7 @@ test_415() {
 run_test 415 "lock revoke is not missing"
 
 test_416() {
-	[ $(lustre_version_code mds1) -lt $(version_code 2.11.55) ] &&
+	[ $MDS1_VERSION -lt $(version_code 2.11.55) ] &&
 		skip "Need server version at least 2.11.55"
 
 	# define OBD_FAIL_OSD_TXN_START    0x19a
@@ -21826,8 +21993,29 @@ test_422() {
 }
 run_test 422 "kill a process with RPC in progress"
 
+stat_test() {
+    df -h $MOUNT &
+    df -h $MOUNT &
+    df -h $MOUNT &
+    df -h $MOUNT &
+    df -h $MOUNT &
+    df -h $MOUNT &
+}
+
+test_423() {
+    local _stats
+    # ensure statfs cache is expired
+    sleep 2;
+
+    _stats=$(stat_test | grep $MOUNT | sort -u | wc -l)
+    [[ ${_stats} -ne 1 ]] && error "statfs wrong"
+
+    return 0
+}
+run_test 423 "statfs should return a right data"
+
 prep_801() {
-	[[ $(lustre_version_code mds1) -lt $(version_code 2.9.55) ]] ||
+	[[ $MDS1_VERSION -lt $(version_code 2.9.55) ]] ||
 	[[ $OST1_VERSION -lt $(version_code 2.9.55) ]] &&
 		skip "Need server version at least 2.9.55"
 
@@ -22058,7 +22246,7 @@ cleanup_802a() {
 
 test_802a() {
 	[[ $mds1_FSTYPE = zfs ]] || skip "ZFS specific test"
-	[[ $(lustre_version_code mds1) -lt $(version_code 2.9.55) ]] ||
+	[[ $MDS1_VERSION -lt $(version_code 2.9.55) ]] ||
 	[[ $OST1_VERSION -lt $(version_code 2.9.55) ]] &&
 		skip "Need server version at least 2.9.55"
 
@@ -22577,7 +22765,7 @@ test_810() {
 run_test 810 "partial page writes on ZFS (LU-11663)"
 
 test_811() {
-	[ $(lustre_version_code $SINGLEMDS) -lt $(version_code 2.11.56) ] &&
+	[ $MDS1_VERSION -lt $(version_code 2.11.56) ] &&
 		skip "Need MDS version at least 2.11.56"
 
 	#define OBD_FAIL_MDS_ORPHAN_DELETE	0x165
@@ -22587,8 +22775,7 @@ test_811() {
 	stop mds1
 	start mds1 $(mdsdevname 1) $MDS_MOUNT_OPTS
 
-	sleep 5
-	[[ $(do_facet mds1 pgrep orph_.*-MDD | wc -l) -eq 0 ]] ||
+	wait_update_facet mds1 "pgrep orph_.*-MDD | wc -l" "0" ||
 		error "MDD orphan cleanup thread not quit"
 }
 run_test 811 "orphan name stub can be cleaned up in startup"
@@ -22908,6 +23095,42 @@ test_819b() {
 }
 run_test 819b "too big niobuf in write"
 
+
+function test_820_start_ost() {
+	sleep 5
+
+	for num in $(seq $OSTCOUNT); do
+		start ost$num $(ostdevname $num) $OST_MOUNT_OPTS
+	done
+}
+
+test_820() {
+	[[ $MDSCOUNT -lt 2 ]] && skip_env "needs >= 2 MDTs"
+
+	mkdir $DIR/$tdir
+	umount_client $MOUNT || error "umount failed"
+	for num in $(seq $OSTCOUNT); do
+		stop ost$num
+	done
+
+	# mount client with no active OSTs
+	# so that the client can't initialize max LOV EA size
+	# from OSC notifications
+	mount_client $MOUNT || error "mount failed"
+	# delay OST starting to keep this 0 max EA size for a while
+	test_820_start_ost &
+
+	# create a directory on MDS2
+	test_mkdir -i 1 -c1 $DIR/$tdir/mds2 ||
+		error "Failed to create directory"
+	# open intent should update default EA size
+	# see mdc_update_max_ea_from_body()
+	# notice this is the very first RPC to MDS2
+	cp /etc/services $DIR/$tdir/mds2 ||
+		error "Failed to copy files to mds$n"
+}
+run_test 820 "update max EA from open intent"
+
 #
 # tests that do cleanup/setup should be run at the end
 #