X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Ftests%2Fsanity.sh;h=3c7e54eae68fb80121ef61e428609ba3c326cb9c;hp=a74c2eaf854ebcc8bf8ba505046558fd7dfd52be;hb=76b9eecdebf830606b021079148eaefa6aab99cc;hpb=e70a6fd8a6400c0460a6c66668103c23b7997d30

diff --git a/lustre/tests/sanity.sh b/lustre/tests/sanity.sh
index a74c2ea..3c7e54e 100755
--- a/lustre/tests/sanity.sh
+++ b/lustre/tests/sanity.sh
@@ -8,16 +8,27 @@
 set -e
 
 ONLY=${ONLY:-"$*"}
-# bug number for skipped test: LU-9693 LU-6493 LU-9693
-ALWAYS_EXCEPT="$SANITY_EXCEPT  42a     42b     42c"
+# bug number for skipped test: LU-9693 LU-6493 LU-9693 LU-11058
+ALWAYS_EXCEPT="$SANITY_EXCEPT  42a     42b     42c     77k"
 # UPDATE THE COMMENT ABOVE WITH BUG NUMBERS WHEN CHANGING ALWAYS_EXCEPT!
 
 # skipped tests: LU-8411 LU-9096 LU-9054 ..
 ALWAYS_EXCEPT="  407     253     312     $ALWAYS_EXCEPT"
 
+if $SHARED_KEY; then
+# bug number for skipped tests:	LU-9795 (all below)
+	ALWAYS_EXCEPT="$ALWAYS_EXCEPT	17n	60a	133g	300f"
+fi
+
+if [[ $(uname -m) = aarch64 ]]; then
+	# bug number:	 LU-11596 (all below)
+	ALWAYS_EXCEPT+=" 42d 42e 63a 63b 64a 64b 64c"
+	# bug number:	 LU-11671 LU-11665 LU-11594 LU-11667
+	ALWAYS_EXCEPT+=" 45	  101c	   103a	    317"
+fi
+
 # Check Grants after these tests
 GRANT_CHECK_LIST="$GRANT_CHECK_LIST 42a 42b 42c 42d 42e 63a 63b 64a 64b 64c"
-
 SRCDIR=$(cd $(dirname $0); echo $PWD)
 export PATH=$PATH:/sbin
 
@@ -106,10 +117,8 @@ elif [ -r /etc/os-release ]; then
 
 		if [[ $ubuntu_version -gt $(version_code 16.0.0) ]]; then
 			# bug number for skipped test:
-			#                LU-10334 LU-10335 LU-10335 LU-10335
-			ALWAYS_EXCEPT+=" 103a     130a     130b     130c"
-			#                LU-10335 LU-10335 LU-10366
-			ALWAYS_EXCEPT+=" 130d     130e     410"
+			#                LU-10334 LU-10366
+			ALWAYS_EXCEPT+=" 103a	  410"
 		fi
 	fi
 fi
@@ -1135,12 +1144,6 @@ test_24u() { # bug12192
 }
 run_test 24u "create stripe file"
 
-page_size() {
-	local size
-	size=$(getconf PAGE_SIZE 2>/dev/null)
-	echo -n ${size:-4096}
-}
-
 simple_cleanup_common() {
 	local rc=0
 	trap 0
@@ -1198,7 +1201,7 @@ test_24v() {
 	# take into account of overhead in lu_dirpage header and end mark in
 	# each page, plus one in rpc_num calculation.
 	local dirent_size=$((32 + (${#tfile} | 7) + 1 + 8))
-	local page_entries=$((($(page_size) - 24) / dirent_size))
+	local page_entries=$(((PAGE_SIZE - 24) / dirent_size))
 	local mdt_idx=$($LFS getdirstripe -i $(dirname $fname))
 	local rpc_pages=$(max_pages_per_rpc $mdt_idx)
 	local rpc_max=$((nrfiles / (page_entries * rpc_pages) + stripes))
@@ -3205,7 +3208,7 @@ test_34h() {
 	# Since just timed wait is not good enough, let's do a sync write
 	# that way we are sure enough time for a roundtrip + processing
 	# passed + 2 seconds of extra margin.
-	dd if=/dev/zero of=$DIR/${tfile}-1 bs=4096 oflag=direct count=1
+	dd if=/dev/zero of=$DIR/${tfile}-1 bs=$PAGE_SIZE oflag=direct count=1
 	rm $DIR/${tfile}-1
 	sleep 2
 
@@ -3991,7 +3994,6 @@ test_42e() { # bug22074
 	[ $PARALLEL == "yes" ] && skip "skip parallel run"
 
 	local TDIR=$DIR/${tdir}e
-	local pagesz=$(page_size)
 	local pages=16 # hardcoded 16 pages, don't change it.
 	local files=$((OSTCOUNT * 500)) # hopefully 500 files on each OST
 	local proc_osc0="osc.${FSNAME}-OST0000-osc-[^MDT]*"
@@ -4037,7 +4039,7 @@ test_42e() { # bug22074
 	$LCTL set_param $proc_osc0/rpc_stats 0
 	for ((;i<$files; i++)); do
 		[ $($GETSTRIPE -i $TDIR/f$i) -eq 0 ] || continue
-		dd if=/dev/zero of=$TDIR/f$i bs=$pagesz count=$pages 2>/dev/null
+		dd if=/dev/zero of=$TDIR/f$i bs=$PAGE_SIZE count=$pages 2>/dev/null
 	done
 	sync
 	$LCTL get_param $proc_osc0/rpc_stats
@@ -4216,10 +4218,10 @@ test_46() {
 	f="$DIR/f46"
 	stop_writeback
 	sync
-	dd if=/dev/zero of=$f bs=`page_size` seek=511 count=1
+	dd if=/dev/zero of=$f bs=$PAGE_SIZE seek=511 count=1
 	sync
-	dd conv=notrunc if=/dev/zero of=$f bs=`page_size` seek=1023 count=1
-	dd conv=notrunc if=/dev/zero of=$f bs=`page_size` seek=511 count=1
+	dd conv=notrunc if=/dev/zero of=$f bs=$PAGE_SIZE seek=1023 count=1
+	dd conv=notrunc if=/dev/zero of=$f bs=$PAGE_SIZE seek=511 count=1
 	sync
 	start_writeback
 }
@@ -4660,7 +4662,7 @@ test_54b() {
 	f="$DIR/f54b"
 	mknod $f c 1 3
 	chmod 0666 $f
-	dd if=/dev/zero of=$f bs=$(page_size) count=1
+	dd if=/dev/zero of=$f bs=$PAGE_SIZE count=1
 }
 run_test 54b "char device works in lustre ======================"
 
@@ -4699,17 +4701,17 @@ test_54c() {
 	trap cleanup_54c EXIT
 	mknod $loopdev b 7 $LOOPNUM
 	echo "make a loop file system with $DIR/$tfile on $loopdev ($LOOPNUM)."
-	dd if=/dev/zero of=$DIR/$tfile bs=$(get_page_size client) seek=1024 count=1 > /dev/null
+	dd if=/dev/zero of=$DIR/$tfile bs=$PAGE_SIZE seek=1024 count=1 > /dev/null
 	losetup $loopdev $DIR/$tfile ||
 		error "can't set up $loopdev for $DIR/$tfile"
 	mkfs.ext2 $loopdev || error "mke2fs on $loopdev"
 	test_mkdir $DIR/$tdir
 	mount -t ext2 $loopdev $DIR/$tdir ||
 		error "error mounting $loopdev on $DIR/$tdir"
-	dd if=/dev/zero of=$DIR/$tdir/tmp bs=$(get_page_size client) count=30 ||
+	dd if=/dev/zero of=$DIR/$tdir/tmp bs=$PAGE_SIZE count=30 ||
 		error "dd write"
 	df $DIR/$tdir
-	dd if=$DIR/$tdir/tmp of=/dev/zero bs=$(get_page_size client) count=30 ||
+	dd if=$DIR/$tdir/tmp of=/dev/zero bs=$PAGE_SIZE count=30 ||
 		error "dd read"
 	cleanup_54c
 }
@@ -5515,7 +5517,7 @@ test_56wb() {
 run_test 56wb "check lfs_migrate pool support"
 
 test_56wc() {
-	local file1="$DIR/$tdir/file 1"
+	local file1="$DIR/$tdir/file1"
 
 	echo -n "Creating test dir..."
 	test_mkdir $DIR/$tdir &> /dev/null || error "cannot create dir"
@@ -5905,6 +5907,9 @@ test_56ab() { # LU-10705
 run_test 56ab "lfs find --blocks"
 
 test_56ba() {
+	[ $(lustre_version_code $SINGLEMDS) -lt $(version_code 2.10.50) ] &&
+		skip "Need MDS version at least 2.10.50"
+
 	# Create composite files with one component
 	local dir=$DIR/$tdir
 
@@ -6294,10 +6299,11 @@ test_60b() { # bug 6411
 				else
 					print from_begin
 			  }")
-	[[ $LLOG_COUNT -gt 100 ]] &&
+
+	[[ $LLOG_COUNT -gt 120 ]] &&
 		error "CDEBUG_LIMIT not limiting messages ($LLOG_COUNT)" || true
 }
-run_test 60b "limit repeated messages from CERROR/CWARN ========"
+run_test 60b "limit repeated messages from CERROR/CWARN"
 
 test_60c() {
 	[ $PARALLEL == "yes" ] && skip "skip parallel run"
@@ -6342,11 +6348,41 @@ test_60e() {
 }
 run_test 60e "no space while new llog is being created"
 
+test_60g() {
+	local pid
+
+	test_mkdir -c $MDSCOUNT $DIR/$tdir
+	$LFS setdirstripe -D -i -1 -c $MDSCOUNT $DIR/$tdir
+
+	(
+		local index=0
+		while true; do
+			mkdir $DIR/$tdir/subdir$index 2>/dev/null
+			rmdir $DIR/$tdir/subdir$index 2>/dev/null
+			index=$((index + 1))
+		done
+	) &
+
+	pid=$!
+
+	for i in $(seq 100); do 
+		# define OBD_FAIL_OSD_TXN_START    0x19a
+		do_facet mds1 lctl set_param fail_loc=0x8000019a
+		usleep 100
+	done
+
+	kill -9 $pid
+
+	mkdir $DIR/$tdir/new || error "mkdir failed"
+	rmdir $DIR/$tdir/new || error "rmdir failed"
+}
+run_test 60g "transaction abort won't cause MDT hung"
+
 test_61() {
 	[ $PARALLEL == "yes" ] && skip "skip parallel run"
 
 	f="$DIR/f61"
-	dd if=/dev/zero of=$f bs=$(page_size) count=1 || error "dd $f failed"
+	dd if=/dev/zero of=$f bs=$PAGE_SIZE count=1 || error "dd $f failed"
 	cancel_lru_locks osc
 	$MULTIOP $f OSMWUc || error "$MULTIOP $f failed"
 	sync
@@ -6437,8 +6473,6 @@ run_test 64c "verify grant shrink"
 want_grant() {
 	local tgt=$1
 
-	local page_size=$(get_page_size client)
-
 	local nrpages=$($LCTL get_param -n osc.${tgt}.max_pages_per_rpc)
 	local rpc_in_flight=$($LCTL get_param -n osc.${tgt}.max_rpcs_in_flight)
 
@@ -6447,15 +6481,15 @@ want_grant() {
 
 	local dirty_max_pages=$($LCTL get_param -n osc.${tgt}.max_dirty_mb)
 
-	dirty_max_pages=$((dirty_max_pages * 1024 * 1024 / page_size))
+	dirty_max_pages=$((dirty_max_pages * 1024 * 1024 / PAGE_SIZE))
 
 	[[ $dirty_max_pages -gt $nrpages ]] && nrpages=$dirty_max_pages
-	local undirty=$((nrpages * page_size))
+	local undirty=$((nrpages * PAGE_SIZE))
 
 	local max_extent_pages
 	max_extent_pages=$($LCTL get_param osc.${tgt}.import |
 	    grep grant_max_extent_size | awk '{print $2}')
-	max_extent_pages=$((max_extent_pages / page_size))
+	max_extent_pages=$((max_extent_pages / PAGE_SIZE))
 	local nrextents=$(((nrpages + max_extent_pages - 1) / max_extent_pages))
 	local grant_extent_tax
 	grant_extent_tax=$($LCTL get_param osc.${tgt}.import |
@@ -7804,7 +7838,7 @@ run_test 101f "check mmap read performance"
 
 test_101g_brw_size_test() {
 	local mb=$1
-	local pages=$((mb * 1048576 / $(page_size)))
+	local pages=$((mb * 1048576 / PAGE_SIZE))
 	local file=$DIR/$tfile
 
 	$LCTL set_param osc.*.max_pages_per_rpc=${mb}M ||
@@ -10150,38 +10184,44 @@ run_test 127a "verify the client stats are sane"
 
 test_127b() { # bug LU-333
 	[ $PARALLEL == "yes" ] && skip "skip parallel run"
+	local name count samp unit min max sum sumsq
 
 	$LCTL set_param llite.*.stats=0
-	FSIZE=65536 # sized fixed to match PAGE_SIZE for most clients
 
 	# perform 2 reads and writes so MAX is different from SUM.
-	dd if=/dev/zero of=$DIR/$tfile bs=$FSIZE count=1
-	dd if=/dev/zero of=$DIR/$tfile bs=$FSIZE count=1
+	dd if=/dev/zero of=$DIR/$tfile bs=$PAGE_SIZE count=1
+	dd if=/dev/zero of=$DIR/$tfile bs=$PAGE_SIZE count=1
 	cancel_lru_locks osc
-	dd if=$DIR/$tfile of=/dev/null bs=$FSIZE count=1
-	dd if=$DIR/$tfile of=/dev/null bs=$FSIZE count=1
-
-        $LCTL get_param llite.*.stats | grep samples > $TMP/${tfile}.tmp
-        while read NAME COUNT SAMP UNIT MIN MAX SUM SUMSQ; do
-                echo "got $COUNT $NAME"
-                eval $NAME=$COUNT || error "Wrong proc format"
-
-        case $NAME in
-                read_bytes)
-                        [ $COUNT -ne 2 ] && error "count is not 2: $COUNT"
-                        [ $MIN -ne $FSIZE ] && error "min is not $FSIZE: $MIN"
-                        [ $MAX -ne $FSIZE ] && error "max is incorrect: $MAX"
-                        [ $SUM -ne $((FSIZE * 2)) ] && error "sum is wrong: $SUM"
-                        ;;
-                write_bytes)
-                        [ $COUNT -ne 2 ] && error "count is not 2: $COUNT"
-                        [ $MIN -ne $FSIZE ] && error "min is not $FSIZE: $MIN"
-                        [ $MAX -ne $FSIZE ] && error "max is incorrect: $MAX"
-                        [ $SUM -ne $((FSIZE * 2)) ] && error "sum is wrong: $SUM"
-                        ;;
-                        *) ;;
-                esac
-        done < $TMP/${tfile}.tmp
+	dd if=$DIR/$tfile of=/dev/null bs=$PAGE_SIZE count=1
+	dd if=$DIR/$tfile of=/dev/null bs=$PAGE_SIZE count=1
+
+	$LCTL get_param llite.*.stats | grep samples > $TMP/$tfile.tmp
+	while read name count samp unit min max sum sumsq; do
+		echo "got $count $name"
+		eval $name=$count || error "Wrong proc format"
+
+		case $name in
+		read_bytes)
+			[ $count -ne 2 ] && error "count is not 2: $count"
+			[ $min -ne $PAGE_SIZE ] &&
+				error "min is not $PAGE_SIZE: $min"
+			[ $max -ne $PAGE_SIZE ] &&
+				error "max is incorrect: $max"
+			[ $sum -ne $((PAGE_SIZE * 2)) ] &&
+				error "sum is wrong: $sum"
+			;;
+		write_bytes)
+			[ $count -ne 2 ] && error "count is not 2: $count"
+			[ $min -ne $PAGE_SIZE ] &&
+				error "min is not $PAGE_SIZE: $min"
+			[ $max -ne $PAGE_SIZE ] &&
+				error "max is incorrect: $max"
+			[ $sum -ne $((PAGE_SIZE * 2)) ] &&
+				error "sum is wrong: $sum"
+			;;
+		*) ;;
+		esac
+	done < $TMP/$tfile.tmp
 
 	#check that we actually got some stats
 	[ "$read_bytes" ] || error "Missing read_bytes stats"
@@ -10773,7 +10813,7 @@ test_133b() {
 	#define OBD_STATFS_CACHE_SECONDS 1
 	sleep 2
 	do_facet $SINGLEMDS $LCTL set_param mdt.*.md_stats=clear
-	do_facet ost1 $LCTL set_param obdfilter.*.stats=clear
+	do_facet ost1 $LCTL set_param obdfilter.*.exports.*.stats=clear
 	$LFS df || error "lfs failed"
 	check_stats $SINGLEMDS "statfs" 1
 
@@ -10784,12 +10824,20 @@ test_133b() {
 		return 0
 	sleep 2
 	do_facet $SINGLEMDS $LCTL set_param mdt.*.md_stats=clear
-	do_facet ost1 $LCTL set_param obdfilter.*.stats=clear
+	do_facet ost1 $LCTL set_param obdfilter.*.exports.*.stats=clear
 	df $DIR
 	check_stats $SINGLEMDS "statfs" 1
-	res=$(do_facet ost1 \
-	      $LCTL get_param obdfilter.$FSNAME-OST0000.stats | grep "statfs")
-	[ "$res" ] && error "OST got STATFS"
+
+	# We want to check that the client didn't send OST_STATFS to
+	# ost1 but the MDT also uses OST_STATFS for precreate. So some
+	# extra care is needed here.
+	if remote_mds; then
+		local nid=$($LCTL list_nids | head -1 | sed  "s/\./\\\./g")
+		local param="obdfilter.$FSNAME-OST0000.exports.'$nid'.stats"
+
+		res=$(do_facet ost1 $LCTL get_param $param | grep statfs)
+		[ "$res" ] && error "OST got STATFS"
+	fi
 
 	return 0
 }
@@ -15403,12 +15451,79 @@ test_230i() {
 }
 run_test 230i "lfs migrate -m tolerates trailing slashes"
 
+test_230j() {
+	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs"
+	[ $(lustre_version_code $SINGLEMDS) -lt $(version_code 2.11.52) ] &&
+		skip "Need MDS version at least 2.11.52"
+
+	$LFS mkdir -m 0 -c 1 $DIR/$tdir || error "mkdir $tdir failed"
+	$LFS setstripe -E 1M -L mdt $DIR/$tdir/$tfile ||
+		error "create $tfile failed"
+	cat /etc/passwd > $DIR/$tdir/$tfile
+
+	$LFS migrate -m 1 $DIR/$tdir
+
+	cmp /etc/passwd $DIR/$tdir/$tfile ||
+		error "DoM file mismatch after migration"
+}
+run_test 230j "DoM file data not changed after dir migration"
+
+test_230k() {
+	[ $MDSCOUNT -lt 4 ] && skip "needs >= 4 MDTs"
+	[ $(lustre_version_code $SINGLEMDS) -lt $(version_code 2.11.56) ] &&
+		skip "Need MDS version at least 2.11.56"
+
+	local total=20
+	local files_on_starting_mdt=0
+
+	$LFS mkdir -i -1 -c 2 $DIR/$tdir || error "mkdir failed"
+	$LFS getdirstripe $DIR/$tdir
+	for i in $(seq $total); do
+		echo $((i*i - i)) > $DIR/$tdir/$tfile.$i || error "write failed"
+		[[ $($LFS getstripe -m $DIR/$tdir/$tfile.$i) -eq 0 ]] &&
+			files_on_starting_mdt=$((files_on_starting_mdt + 1))
+	done
+
+	echo "$files_on_starting_mdt files on MDT0"
+
+	$LFS migrate -m 1,3 $DIR/$tdir || error "migrate -m 1,3 failed"
+	$LFS getdirstripe $DIR/$tdir
+
+	files_on_starting_mdt=0
+	for i in $(seq $total); do
+		$(echo $((i*i - i)) | cmp $DIR/$tdir/$tfile.$i -) ||
+			error "file $tfile.$i mismatch after migration"
+		[[ $($LFS getstripe -m $DIR/$tdir/$tfile.$i) -eq 1 ]] &&
+			files_on_starting_mdt=$((files_on_starting_mdt + 1))
+	done
+
+	echo "$files_on_starting_mdt files on MDT1 after migration"
+	[[ $files_on_starting_mdt -eq $total ]] && error "all files on MDT1"
+
+	$LFS migrate -m 0 -c 2 $DIR/$tdir || error "migrate -m 0 -c 2 failed"
+	$LFS getdirstripe $DIR/$tdir
+
+	files_on_starting_mdt=0
+	for i in $(seq $total); do
+		$(echo $((i*i - i)) | cmp $DIR/$tdir/$tfile.$i -) ||
+			error "file $tfile.$i mismatch after 2nd migration"
+		[[ $($LFS getstripe -m $DIR/$tdir/$tfile.$i) -eq 0 ]] &&
+			files_on_starting_mdt=$((files_on_starting_mdt + 1))
+	done
+
+	echo "$files_on_starting_mdt files on MDT0 after 2nd migration"
+	[[ $files_on_starting_mdt -eq $total ]] && error "all files on MDT0"
+
+	true
+}
+run_test 230k "file data not changed after dir migration"
+
 test_231a()
 {
 	# For simplicity this test assumes that max_pages_per_rpc
 	# is the same across all OSCs
 	local max_pages=$($LCTL get_param -n osc.*.max_pages_per_rpc | head -n1)
-	local bulk_size=$((max_pages * 4096))
+	local bulk_size=$((max_pages * PAGE_SIZE))
 	local brw_size=$(do_facet ost1 $LCTL get_param -n obdfilter.*.brw_size |
 				       head -n 1)
 
@@ -15598,18 +15713,6 @@ test_236() {
 }
 run_test 236 "Layout swap on open unlinked file"
 
-# test to verify file handle related system calls
-# (name_to_handle_at/open_by_handle_at)
-# The new system calls are supported in glibc >= 2.14.
-
-test_237() {
-	echo "Test file_handle syscalls" > $DIR/$tfile ||
-		error "write failed"
-	check_fhandle_syscalls $DIR/$tfile ||
-		error "check_fhandle_syscalls failed"
-}
-run_test 237 "Verify name_to_handle_at/open_by_handle_at syscalls"
-
 # LU-4659 linkea consistency
 test_238() {
 	local server_version=$(lustre_version_code $SINGLEMDS)
@@ -15699,36 +15802,48 @@ test_240() {
 run_test 240 "race between ldlm enqueue and the connection RPC (no ASSERT)"
 
 test_241_bio() {
-	for LOOP in $(seq $1); do
-		dd if=$DIR/$tfile of=/dev/null bs=40960 count=1 2>/dev/null
+	local count=$1
+	local bsize=$2
+
+	for LOOP in $(seq $count); do
+		dd if=$DIR/$tfile of=/dev/null bs=$bsize count=1 2>/dev/null
 		cancel_lru_locks $OSC || true
 	done
 }
 
 test_241_dio() {
+	local count=$1
+	local bsize=$2
+
 	for LOOP in $(seq $1); do
-		dd if=$DIR/$tfile of=/dev/null bs=40960 count=1 \
-						iflag=direct 2>/dev/null
+		dd if=$DIR/$tfile of=/dev/null bs=$bsize count=1 iflag=direct \
+			2>/dev/null
 	done
 }
 
 test_241a() { # was test_241
-	dd if=/dev/zero of=$DIR/$tfile count=1 bs=40960
+	local bsize=$PAGE_SIZE
+
+	(( bsize < 40960 )) && bsize=40960
+	dd if=/dev/zero of=$DIR/$tfile count=1 bs=$bsize
 	ls -la $DIR/$tfile
 	cancel_lru_locks $OSC
-	test_241_bio 1000 &
+	test_241_bio 1000 $bsize &
 	PID=$!
-	test_241_dio 1000
+	test_241_dio 1000 $bsize
 	wait $PID
 }
 run_test 241a "bio vs dio"
 
 test_241b() {
-	dd if=/dev/zero of=$DIR/$tfile count=1 bs=40960
+	local bsize=$PAGE_SIZE
+
+	(( bsize < 40960 )) && bsize=40960
+	dd if=/dev/zero of=$DIR/$tfile count=1 bs=$bsize
 	ls -la $DIR/$tfile
-	test_241_dio 1000 &
+	test_241_dio 1000 $bsize &
 	PID=$!
-	test_241_dio 1000
+	test_241_dio 1000 $bsize
 	wait $PID
 }
 run_test 241b "dio vs dio"
@@ -16718,7 +16833,7 @@ run_test 260 "Check mdc_close fail"
 ### Data-on-MDT sanity tests ###
 test_270a() {
 	[ $(lustre_version_code $SINGLEMDS) -lt $(version_code 2.10.55) ] &&
-		skip "Need MDS version at least 2.10.55"
+		skip "Need MDS version at least 2.10.55 for DoM"
 
 	# create DoM file
 	local dom=$DIR/$tdir/dom_file
@@ -16727,14 +16842,13 @@ test_270a() {
 	mkdir -p $DIR/$tdir
 
 	# basic checks for DoM component creation
-	$LFS setstripe -E 1024K -E 1024K -L mdt $dom 2>/dev/null &&
+	$LFS setstripe -E 1024K -E 2048K -L mdt $dom 2>/dev/null &&
 		error "Can set MDT layout to non-first entry"
 
-	$LFS setstripe -E 1024K -L mdt -E 1024K -L mdt $dom 2>/dev/null &&
+	$LFS setstripe -E 1024K -L mdt -E 2048K -L mdt $dom 2>/dev/null &&
 		error "Can define multiple entries as MDT layout"
 
-	$LFS setstripe -E 1M -L mdt $dom ||
-		error "Can't create DoM layout"
+	$LFS setstripe -E 1M -L mdt $dom || error "Can't create DoM layout"
 
 	[ $($LFS getstripe -L $dom) == "mdt" ] || error "bad pattern"
 	[ $($LFS getstripe -c $dom) == 0 ] || error "bad stripe count"
@@ -16746,46 +16860,61 @@ test_270a() {
 	local space_check=1
 
 	# Skip free space checks with ZFS
-	if [ "$(facet_fstype $facet)" == "zfs" ]; then
-		space_check=0
-	fi
+	[ "$(facet_fstype $facet)" == "zfs" ] && space_check=0
 
 	# write
 	sync
+	local size_tmp=$((65536 * 3))
 	local mdtfree1=$(do_facet $facet \
-		lctl get_param -n osd*.*$mdtname.kbytesfree)
-	dd if=/dev/urandom of=$tmp bs=1024 count=100
+			 lctl get_param -n osd*.*$mdtname.kbytesfree)
+
+	dd if=/dev/urandom of=$tmp bs=1024 count=$((size_tmp / 1024))
 	# check also direct IO along write
-	dd if=$tmp of=$dom bs=102400 count=1 oflag=direct
+	# IO size must be a multiple of PAGE_SIZE on all platforms (ARM=64KB)
+	dd if=$tmp of=$dom bs=65536 count=$((size_tmp / 65536)) oflag=direct
 	sync
 	cmp $tmp $dom || error "file data is different"
-	[ $(stat -c%s $dom) == 102400 ] || error "bad size after write"
+	[ $(stat -c%s $dom) == $size_tmp ] ||
+		error "bad size after write: $(stat -c%s $dom) != $size_tmp"
 	if [ $space_check == 1 ]; then
 		local mdtfree2=$(do_facet $facet \
-				lctl get_param -n osd*.*$mdtname.kbytesfree)
-		[ $(($mdtfree1 - $mdtfree2)) -ge 102 ] ||
-			error "MDT free space is wrong after write"
+				 lctl get_param -n osd*.*$mdtname.kbytesfree)
+
+		# increase in usage from by $size_tmp
+		[ $(($mdtfree1 - $mdtfree2)) -ge $((size_tmp / 1024)) ] ||
+			error "MDT free space wrong after write: " \
+			      "$mdtfree1 >= $mdtfree2 + $size_tmp/1024"
 	fi
 
 	# truncate
-	$TRUNCATE $dom 10000
-	[ $(stat -c%s $dom) == 10000 ] || error "bad size after truncate"
+	local size_dom=10000
+
+	$TRUNCATE $dom $size_dom
+	[ $(stat -c%s $dom) == $size_dom ] ||
+		error "bad size after truncate: $(stat -c%s $dom) != $size_dom"
 	if [ $space_check == 1 ]; then
 		mdtfree1=$(do_facet $facet \
 				lctl get_param -n osd*.*$mdtname.kbytesfree)
-		[ $(($mdtfree1 - $mdtfree2)) -ge 92 ] ||
-			error "MDT free space is wrong after truncate"
+		# decrease in usage from $size_tmp to new $size_dom
+		[ $(($mdtfree1 - $mdtfree2)) -ge \
+		  $(((size_tmp - size_dom) / 1024)) ] ||
+			error "MDT free space is wrong after truncate: " \
+			      "$mdtfree1 >= $mdtfree2 + ($size_tmp - $size_dom) / 1024"
 	fi
 
 	# append
 	cat $tmp >> $dom
 	sync
-	[ $(stat -c%s $dom) == 112400 ] || error "bad size after append"
+	size_dom=$((size_dom + size_tmp))
+	[ $(stat -c%s $dom) == $size_dom ] ||
+		error "bad size after append: $(stat -c%s $dom) != $size_dom"
 	if [ $space_check == 1 ]; then
 		mdtfree2=$(do_facet $facet \
 				lctl get_param -n osd*.*$mdtname.kbytesfree)
-		[ $(($mdtfree1 - $mdtfree2)) -ge 102 ] ||
-			error "MDT free space is wrong after append"
+		# increase in usage by $size_tmp from previous
+		[ $(($mdtfree1 - $mdtfree2)) -ge $((size_tmp / 1024)) ] ||
+			error "MDT free space is wrong after append: " \
+			      "$mdtfree1 >= $mdtfree2 + $size_tmp/1024"
 	fi
 
 	# delete
@@ -16793,22 +16922,25 @@ test_270a() {
 	if [ $space_check == 1 ]; then
 		mdtfree1=$(do_facet $facet \
 				lctl get_param -n osd*.*$mdtname.kbytesfree)
-		[ $(($mdtfree1 - $mdtfree2)) -ge 112 ] ||
-			error "MDT free space is wrong after removal"
+		# decrease in usage by $size_dom from previous
+		[ $(($mdtfree1 - $mdtfree2)) -ge $((size_dom / 1024)) ] ||
+			error "MDT free space is wrong after removal: " \
+			      "$mdtfree1 >= $mdtfree2 + $size_dom/1024"
 	fi
 
 	# combined striping
 	$LFS setstripe -E 1024K -L mdt -E EOF $dom ||
 		error "Can't create DoM + OST striping"
 
-	dd if=/dev/urandom of=$tmp bs=1024 count=2000
+	size_tmp=2031616 # must be a multiple of PAGE_SIZE=65536 on ARM
+	dd if=/dev/urandom of=$tmp bs=1024 count=$((size_tmp / 1024))
 	# check also direct IO along write
-	dd if=$tmp of=$dom bs=102400 count=20 oflag=direct
+	dd if=$tmp of=$dom bs=65536 count=$((size_tmp / 65536)) oflag=direct
 	sync
 	cmp $tmp $dom || error "file data is different"
-	[ $(stat -c%s $dom) == 2048000 ] || error "bad size after write"
-	rm $dom
-	rm $tmp
+	[ $(stat -c%s $dom) == $size_tmp ] ||
+		error "bad size after write: $(stat -c%s $dom) != $size_tmp"
+	rm $dom $tmp
 
 	return 0
 }
@@ -17026,9 +17158,8 @@ test_271a() {
 	lctl set_param -n mdc.*.stats=clear
 	dd if=/dev/zero of=$dom bs=4096 count=1 || return 1
 	cat $dom > /dev/null
-	local reads=$(lctl get_param -n mdc.*.stats |
-			awk '/ost_read/ {print $2}')
-	[ -z $reads ] || error "Unexpected $reads READ RPCs"
+	local reads=$(lctl get_param -n mdc.*.stats | grep -c ost_read)
+	[ $reads -eq 0 ] || error "Unexpected $reads READ RPCs"
 	ls $dom
 	rm -f $dom
 }
@@ -17050,9 +17181,8 @@ test_271b() {
 	$CHECKSTAT -t file -s 4096 $dom || error "stat #1 fails"
 	# second stat to check size is cached on client
 	$CHECKSTAT -t file -s 4096 $dom || error "stat #2 fails"
-	local gls=$(lctl get_param -n mdc.*.stats |
-			awk '/ldlm_glimpse/ {print $2}')
-	[ -z $gls ] || error "Unexpected $gls glimpse RPCs"
+	local gls=$(lctl get_param -n mdc.*.stats | grep -c ldlm_glimpse)
+	[ $gls -eq 0 ] || error "Unexpected $gls glimpse RPCs"
 	rm -f $dom
 }
 run_test 271b "DoM: no glimpse RPC for stat (DoM only file)"
@@ -17074,16 +17204,27 @@ test_271ba() {
 	$CHECKSTAT -t file -s 2097152 $dom || error "stat"
 	# second stat to check size is cached on client
 	$CHECKSTAT -t file -s 2097152 $dom || error "stat"
-	local gls=$(lctl get_param -n mdc.*.stats |
-			awk '/ldlm_glimpse/ {print $2}')
-	[ -z $gls ] || error "Unexpected $gls glimpse RPCs"
-	local gls=$(lctl get_param -n osc.*.stats |
-			awk '/ldlm_glimpse/ {print $2}')
-	[ -z $gls ] || error "Unexpected $gls OSC glimpse RPCs"
+	local gls=$(lctl get_param -n mdc.*.stats | grep -c ldlm_glimpse)
+	[ $gls == 0 ] || error "Unexpected $gls glimpse RPCs"
+	local gls=$(lctl get_param -n osc.*.stats | grep -c ldlm_glimpse)
+	[ $gls == 0 ] || error "Unexpected $gls OSC glimpse RPCs"
 	rm -f $dom
 }
 run_test 271ba "DoM: no glimpse RPC for stat (combined file)"
 
+
+get_mdc_stats() {
+	local mdtidx=$1
+	local param=$2
+	local mdt=MDT$(printf %04x $mdtidx)
+
+	if [ -z $param ]; then
+		lctl get_param -n mdc.*$mdt*.stats
+	else
+		lctl get_param -n mdc.*$mdt*.stats | awk "/$param/"'{print $2}'
+	fi
+}
+
 test_271c() {
 	[ $(lustre_version_code $SINGLEMDS) -lt $(version_code 2.10.55) ] &&
 		skip "Need MDS version at least 2.10.55"
@@ -17102,9 +17243,8 @@ test_271c() {
 	createmany -o $dom 1000
 	lctl set_param -n mdc.*.stats=clear
 	smalliomany -w $dom 1000 200
-	lctl get_param -n mdc.*.stats
-	local enq=$(lctl get_param -n mdc.*.stats |
-			awk '/ldlm_ibits_enqueue/ {print $2}')
+	get_mdc_stats $mdtidx
+	local enq=$(get_mdc_stats $mdtidx ldlm_ibits_enqueue)
 	# Each file has 1 open, 1 IO enqueues, total 2000
 	# but now we have also +1 getxattr for security.capability, total 3000
 	[ $enq -ge 2000 ] || error "Too few enqueues $enq, expected > 2000"
@@ -17115,9 +17255,7 @@ test_271c() {
 	createmany -o $dom 1000
 	lctl set_param -n mdc.*.stats=clear
 	smalliomany -w $dom 1000 200
-	lctl get_param -n mdc.*.stats
-	local enq_2=$(lctl get_param -n mdc.*.stats |
-			awk '/ldlm_ibits_enqueue/ {print $2}')
+	local enq_2=$(get_mdc_stats $mdtidx ldlm_ibits_enqueue)
 	# Expect to see reduced amount of RPCs by 1000 due to single enqueue
 	# for OPEN and IO lock.
 	[ $((enq - enq_2)) -ge 1000 ] ||
@@ -17145,7 +17283,6 @@ test_271d() {
 	$LFS setstripe -E 1024K -L mdt $DIR/$tdir
 
 	local mdtidx=$($GETSTRIPE -M $DIR/$tdir)
-	local facet=mds$((mdtidx + 1))
 
 	cancel_lru_locks mdc
 	dd if=/dev/urandom of=$tmp bs=1000 count=1
@@ -17158,12 +17295,9 @@ test_271d() {
 	# append data to the same file it should update local page
 	echo "Append to the same page"
 	cat /etc/hosts >> $dom
-	local num=$(lctl get_param -n mdc.*.stats |
-		awk '/ost_read/ {print $2}')
-	local ra=$(lctl get_param -n mdc.*.stats |
-		awk '/req_active/ {print $2}')
-	local rw=$(lctl get_param -n mdc.*.stats |
-		awk '/req_waittime/ {print $2}')
+	local num=$(get_mdc_stats $mdtidx ost_read)
+	local ra=$(get_mdc_stats $mdtidx req_active)
+	local rw=$(get_mdc_stats $mdtidx req_waittime)
 
 	[ -z $num ] || error "$num READ RPC occured"
 	[ $ra == $rw ] || error "$((ra - rw)) resend occured"
@@ -17177,12 +17311,9 @@ test_271d() {
 
 	echo "Open and read file"
 	cat $dom > /dev/null
-	local num=$(lctl get_param -n mdc.*.stats |
-		awk '/ost_read/ {print $2}')
-	local ra=$(lctl get_param -n mdc.*.stats |
-		awk '/req_active/ {print $2}')
-	local rw=$(lctl get_param -n mdc.*.stats |
-		awk '/req_waittime/ {print $2}')
+	local num=$(get_mdc_stats $mdtidx ost_read)
+	local ra=$(get_mdc_stats $mdtidx req_active)
+	local rw=$(get_mdc_stats $mdtidx req_waittime)
 
 	[ -z $num ] || error "$num READ RPC occured"
 	[ $ra == $rw ] || error "$((ra - rw)) resend occured"
@@ -17208,7 +17339,6 @@ test_271e() {
 	$LFS setstripe -E 1024K -L mdt $DIR/$tdir
 
 	local mdtidx=$($GETSTRIPE -M $DIR/$tdir)
-	local facet=mds$((mdtidx + 1))
 
 	cancel_lru_locks mdc
 	dd if=/dev/urandom of=$tmp bs=30K count=1
@@ -17220,12 +17350,9 @@ test_271e() {
 	echo "Append to the same page"
 	cat /etc/hosts >> $dom
 
-	local num=$(lctl get_param -n mdc.*.stats | \
-		awk '/ost_read/ {print $2}')
-	local ra=$(lctl get_param -n mdc.*.stats | \
-		awk '/req_active/ {print $2}')
-	local rw=$(lctl get_param -n mdc.*.stats | \
-		awk '/req_waittime/ {print $2}')
+	local num=$(get_mdc_stats $mdtidx ost_read)
+	local ra=$(get_mdc_stats $mdtidx req_active)
+	local rw=$(get_mdc_stats $mdtidx req_waittime)
 
 	[ -z $num ] || error "$num READ RPC occured"
 	# Reply buffer can be adjusted for larger buffer by resend
@@ -17239,12 +17366,9 @@ test_271e() {
 
 	echo "Open and read file"
 	cat $dom > /dev/null
-	local num=$(lctl get_param -n mdc.*.stats | \
-		awk '/ost_read/ {print $2}')
-	local ra=$(lctl get_param -n mdc.*.stats | \
-		awk '/req_active/ {print $2}')
-	local rw=$(lctl get_param -n mdc.*.stats | \
-		awk '/req_waittime/ {print $2}')
+	local num=$(get_mdc_stats $mdtidx ost_read)
+	local ra=$(get_mdc_stats $mdtidx req_active)
+	local rw=$(get_mdc_stats $mdtidx req_waittime)
 
 	[ -z $num ] || error "$num READ RPC occured"
 	# Reply buffer can be adjusted for larger buffer by resend
@@ -17270,7 +17394,6 @@ test_271f() {
 	$LFS setstripe -E 1024K -L mdt $DIR/$tdir
 
 	local mdtidx=$($GETSTRIPE -M $DIR/$tdir)
-	local facet=mds$((mdtidx + 1))
 
 	cancel_lru_locks mdc
 	dd if=/dev/urandom of=$tmp bs=200000 count=1
@@ -17281,12 +17404,9 @@ test_271f() {
 
 	echo "Append to the same page"
 	cat /etc/hosts >> $dom
-	local num=$(lctl get_param -n mdc.*.stats | \
-		awk '/ost_read/ {print $2}')
-	local ra=$(lctl get_param -n mdc.*.stats | \
-		awk '/req_active/ {print $2}')
-	local rw=$(lctl get_param -n mdc.*.stats | \
-		awk '/req_waittime/ {print $2}')
+	local num=$(get_mdc_stats $mdtidx ost_read)
+	local ra=$(get_mdc_stats $mdtidx req_active)
+	local rw=$(get_mdc_stats $mdtidx req_waittime)
 
 	[ -z $num ] || error "$num READ RPC occured"
 	[ $ra == $rw ] || error "$((ra - rw)) resend occured"
@@ -17300,12 +17420,9 @@ test_271f() {
 
 	echo "Open and read file"
 	cat $dom > /dev/null
-	local num=$(lctl get_param -n mdc.*.stats | \
-		awk '/ost_read/ {print $2}')
-	local ra=$(lctl get_param -n mdc.*.stats | \
-		awk '/req_active/ {print $2}')
-	local rw=$(lctl get_param -n mdc.*.stats | \
-		awk '/req_waittime/ {print $2}')
+	local num=$(get_mdc_stats $mdtidx ost_read)
+	local ra=$(get_mdc_stats $mdtidx req_active)
+	local rw=$(get_mdc_stats $mdtidx req_waittime)
 
 	[ $num -eq 1 ] || error "expect 1 READ RPC, $num occured"
 	[ $ra == $rw ] || error "$((ra - rw)) resend occured"
@@ -18363,7 +18480,6 @@ test_312() { # LU-4856
 	local max_blksz=$(do_facet ost1 \
 			  $ZFS get -p recordsize $(facet_device ost1) |
 			  awk '!/VALUE/{print $3}')
-	local min_blksz=$(getconf PAGE_SIZE)
 
 	# to make life a little bit easier
 	$LFS mkdir -c 1 -i 0 $DIR/$tdir
@@ -18375,30 +18491,31 @@ test_312() { # LU-4856
 
 	# Get ZFS object id
 	local zfs_objid=$(zfs_oid_to_objid ost1 $oid)
+	# block size change by sequential overwrite
+	local bs
 
-	# block size change by sequential over write
-	local blksz
-	for ((bs=$min_blksz; bs <= max_blksz; bs <<= 2)); do
+	for ((bs=$PAGE_SIZE; bs <= max_blksz; bs *= 4)) ; do
 		dd if=/dev/zero of=$tf bs=$bs count=1 oflag=sync conv=notrunc
 
-		blksz=$(zfs_object_blksz ost1 $zfs_objid)
+		local blksz=$(zfs_object_blksz ost1 $zfs_objid)
 		[ $blksz -eq $bs ] || error "blksz error: $blksz, expected: $bs"
 	done
 	rm -f $tf
 
 	# block size change by sequential append write
-	dd if=/dev/zero of=$tf bs=$min_blksz count=1 oflag=sync conv=notrunc
+	dd if=/dev/zero of=$tf bs=$PAGE_SIZE count=1 oflag=sync conv=notrunc
 	oid=$($LFS getstripe $tf | awk '/obdidx/{getline; print $2}')
 	zfs_objid=$(zfs_oid_to_objid ost1 $oid)
+	local count
 
-	for ((count = 1; count < $((max_blksz / min_blksz)); count *= 2)); do
-		dd if=/dev/zero of=$tf bs=$min_blksz count=$count seek=$count \
+	for ((count = 1; count < $((max_blksz / PAGE_SIZE)); count *= 2)); do
+		dd if=/dev/zero of=$tf bs=$PAGE_SIZE count=$count seek=$count \
 			oflag=sync conv=notrunc
 
 		blksz=$(zfs_object_blksz ost1 $zfs_objid)
-		[ $blksz -eq $((2 * count * min_blksz)) ] ||
-			error "blksz error, actual $blksz, "	\
-				"expected: 2 * $count * $min_blksz"
+		[ $blksz -eq $((2 * count * PAGE_SIZE)) ] ||
+			error "blksz error, actual $blksz, " \
+				"expected: 2 * $count * $PAGE_SIZE"
 	done
 	rm -f $tf
 
@@ -18409,8 +18526,8 @@ test_312() { # LU-4856
 
 	dd if=/dev/zero of=$tf bs=1K count=1 oflag=sync conv=notrunc
 	blksz=$(zfs_object_blksz ost1 $zfs_objid)
-	[ $blksz -eq $min_blksz ] ||
-		error "blksz error: $blksz, expected: $min_blksz"
+	[ $blksz -eq $PAGE_SIZE ] ||
+		error "blksz error: $blksz, expected: $PAGE_SIZE"
 
 	dd if=/dev/zero of=$tf bs=64K count=1 oflag=sync conv=notrunc seek=128
 	blksz=$(zfs_object_blksz ost1 $zfs_objid)
@@ -18426,12 +18543,13 @@ test_313() {
 	remote_ost_nodsh && skip "remote OST with nodsh"
 
 	local file=$DIR/$tfile
+
 	rm -f $file
 	$SETSTRIPE -c 1 -i 0 $file || error "setstripe failed"
 
 	# define OBD_FAIL_TGT_RCVD_EIO		 0x720
 	do_facet ost1 "$LCTL set_param fail_loc=0x720"
-	dd if=/dev/zero of=$file bs=4096 oflag=direct count=1 &&
+	dd if=/dev/zero of=$file bs=$PAGE_SIZE oflag=direct count=1 &&
 		error "write should failed"
 	do_facet ost1 "$LCTL set_param fail_loc=0"
 	rm -f $file
@@ -18453,8 +18571,9 @@ test_315() { # LU-618
 	local file=$DIR/$tfile
 	rm -f $file
 
-	$MULTIOP $file oO_CREAT:O_DIRECT:O_RDWR:w4096000c
-	$MULTIOP $file oO_RDONLY:r4096000_c &
+	$MULTIOP $file oO_CREAT:O_DIRECT:O_RDWR:w4063232c ||
+		error "multiop file write failed"
+	$MULTIOP $file oO_RDONLY:r4063232_c &
 	PID=$!
 
 	sleep 2
@@ -18960,7 +19079,7 @@ test_407() {
 run_test 407 "transaction fail should cause operation fail"
 
 test_408() {
-	dd if=/dev/zero of=$DIR/$tfile bs=4096 count=1 oflag=direct
+	dd if=/dev/zero of=$DIR/$tfile bs=$PAGE_SIZE count=1 oflag=direct
 
 	#define OBD_FAIL_OSC_BRW_PREP_REQ2        0x40a
 	lctl set_param fail_loc=0x8000040a
@@ -19170,6 +19289,55 @@ test_415() {
 }
 run_test 415 "lock revoke is not missing"
 
+test_416() {
+	[ $(lustre_version_code mds1) -lt $(version_code 2.11.55) ] &&
+		skip "Need server version at least 2.11.55"
+
+	# define OBD_FAIL_OSD_TXN_START    0x19a
+	do_facet mds1 lctl set_param fail_loc=0x19a
+
+	lfs mkdir -c $MDSCOUNT $DIR/$tdir
+
+	true
+}
+run_test 416 "transaction start failure won't cause system hung"
+
+cleanup_417() {
+	trap 0
+	do_nodes $(comma_list $(mdts_nodes)) \
+		"$LCTL set_param -n mdt.*MDT*.enable_dir_migration=1"
+	do_nodes $(comma_list $(mdts_nodes)) \
+		"$LCTL set_param -n mdt.*MDT*.enable_remote_dir=1"
+	do_nodes $(comma_list $(mdts_nodes)) \
+		"$LCTL set_param -n mdt.*MDT*.enable_striped_dir=1"
+}
+
+test_417() {
+	[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return
+	[[ $(lustre_version_code $SINGLEMDS) -lt $(version_code 2.11.56) ]] &&
+		skip "Need MDS version at least 2.11.56" && return
+
+	trap cleanup_417 RETURN EXIT
+
+	$LFS mkdir -i 1 $DIR/$tdir.1 || error "create remote dir $tdir.1 failed"
+	do_nodes $(comma_list $(mdts_nodes)) \
+		"$LCTL set_param -n mdt.*MDT*.enable_dir_migration=0"
+	$LFS migrate -m 0 $DIR/$tdir.1 &&
+		error "migrate dir $tdir.1 should fail"
+
+	do_nodes $(comma_list $(mdts_nodes)) \
+		"$LCTL set_param -n mdt.*MDT*.enable_remote_dir=0"
+	$LFS mkdir -i 1 $DIR/$tdir.2 &&
+		error "create remote dir $tdir.2 should fail"
+
+	do_nodes $(comma_list $(mdts_nodes)) \
+		"$LCTL set_param -n mdt.*MDT*.enable_striped_dir=0"
+	$LFS mkdir -c 2 $DIR/$tdir.3 &&
+		error "create striped dir $tdir.3 should fail"
+	true
+}
+run_test 417 "disable remote dir, striped dir and dir migration"
+
 prep_801() {
 	[[ $(lustre_version_code mds1) -lt $(version_code 2.9.55) ]] ||
 	[[ $(lustre_version_code ost1) -lt $(version_code 2.9.55) ]] &&
@@ -19794,6 +19962,65 @@ test_807() {
 }
 run_test 807 "verify LSOM syncing tool"
 
+check_som_nologged()
+{
+	local lines=$($LFS changelog $FSNAME-MDT0000 |
+		grep 'x=trusted.som' | wc -l)
+	[ $lines -ne 0 ] && error "trusted.som xattr is logged in Changelogs"
+}
+
+test_808() {
+	[ $(lustre_version_code $SINGLEMDS) -lt $(version_code 2.11.55) ] &&
+		skip "Need MDS version at least 2.11.55" && return
+
+	# Registration step
+	changelog_register || error "changelog_register failed"
+
+	touch $DIR/$tfile || error "touch $tfile failed"
+	check_som_nologged
+
+	dd if=/dev/zero of=$DIR/$tfile bs=1048576 count=1 ||
+		error "write $tfile failed"
+	check_som_nologged
+
+	$TRUNCATE $DIR/$tfile 1234
+	check_som_nologged
+
+	$TRUNCATE $DIR/$tfile 1048576
+	check_som_nologged
+
+	# Deregistration step
+	changelog_deregister || error "changelog_deregister failed"
+}
+run_test 808 "Check trusted.som xattr not logged in Changelogs"
+
+check_som_nodata()
+{
+	$LFS getsom $1
+	[[ $? -eq 61 ]] || error "DoM-only file $1 has SOM xattr"
+}
+
+test_809() {
+	[ $(lustre_version_code $SINGLEMDS) -lt $(version_code 2.11.56) ] &&
+		skip "Need MDS version at least 2.11.56" && return
+
+	$LFS setstripe -E 1M -L mdt $DIR/$tfile ||
+		error "failed to create DoM-only file $DIR/$tfile"
+	touch $DIR/$tfile || error "touch $tfile failed"
+	check_som_nodata $DIR/$tfile
+
+	dd if=/dev/zero of=$DIR/$tfile bs=2048 count=1 ||
+		error "write $tfile failed"
+	check_som_nodata $DIR/$tfile
+
+	$TRUNCATE $DIR/$tfile 1234
+	check_som_nodata $DIR/$tfile
+
+	$TRUNCATE $DIR/$tfile 4097
+	check_som_nodata $DIR/$file
+}
+run_test 809 "Verify no SOM xattr store for DoM-only files"
+
 #
 # tests that do cleanup/setup should be run at the end
 #