. ${CONFIG:=$LUSTRE/tests/cfg/${NAME}.sh}
init_logging
-[ "$SLOW" = "no" ] && EXCEPT_SLOW="24o 24D 27m 64b 68 71 77f 78 115 124b 230d"
+[ "$SLOW" = "no" ] && EXCEPT_SLOW="24o 24D 27m 64b 68 71 77f 78 115 124b"
if [ $(facet_fstype $SINGLEMDS) = "zfs" ]; then
# bug number for skipped test: LU-4536 LU-1957 LU-2805
test_7b() {
if [ ! -d $DIR/$tdir ]; then
- mkdir $DIR/$tdir
+ test_mkdir $DIR/$tdir
fi
$MCREATE $DIR/$tdir/$tfile
echo -n foo > $DIR/$tdir/$tfile
mv $DIR/$tdir/$tfile $DIR/$tdir/${tfile}_2
$CHECKSTAT -t file $DIR/$tdir/${tfile}_2 ||
error "$tdir/${tfile_2} not a file after rename"
+ rm $DIR/$tdir/${tfile}_2 || error "unlink failed after rename"
}
run_test 15 "touch .../d15/f; mv .../d15/f .../d15/f2 =========="
test_17l() { # LU-279
[[ -z "$(which getfattr 2>/dev/null)" ]] &&
skip "no getfattr command" && return 0
- mkdir -p $DIR/$tdir
+ test_mkdir -p $DIR/$tdir
touch $DIR/$tdir/$tfile
ln -s $DIR/$tdir/$tfile $DIR/$tdir/$tfile.lnk
for path in "$DIR/$tdir" "$DIR/$tdir/$tfile" "$DIR/$tdir/$tfile.lnk"; do
[ $PARALLEL == "yes" ] && skip "skip parallel run" && return
- mkdir -p $WDIR
+ test_mkdir -p $WDIR
long_sym=$short_sym
# create a long symlink file
for ((i = 0; i < 4; ++i)); do
[ $PARALLEL == "yes" ] && skip "skip parallel run" && return
- mkdir $DIR/$tdir
+ test_mkdir $DIR/$tdir
for ((i=0; i<10; i++)); do
$LFS mkdir -i1 -c2 $DIR/$tdir/remote_dir_${i} ||
error "create remote dir error $i"
local WDIR=$DIR/${tdir}o
local mdt_index
- local mdtdevname
local rc=0
- mkdir -p $WDIR
+ test_mkdir -p $WDIR
mdt_index=$($LFS getstripe -M $WDIR)
mdt_index=$((mdt_index+1))
- mdtdevname=$(mdsdevname $mdt_index)
touch $WDIR/$tfile
- stop mds${mdt_index}
- start mds${mdt_index} $mdtdevname $MDS_MOUNT_OPTS ||
- error "mount mds${mdt_index} failed"
+
+ #fail mds will wait the failover finish then set
+ #following fail_loc to avoid interfer the recovery process.
+ fail mds${mdt_index}
#define OBD_FAIL_OSD_LMA_INCOMPAT 0x194
do_facet mds${mdt_index} lctl set_param fail_loc=0x194
# Performance issue on ZFS see LU-4072 (c.f. LU-2887)
[ $(facet_fstype $SINGLEMDS) = "zfs" ] && NRFILES=10000
- mkdir -p $DIR/$tdir
+ test_mkdir -p $DIR/$tdir
createmany -m $DIR/$tdir/$tfile $NRFILES
cancel_lru_locks mdc
local MDTIDX=1
local remote_dir=$DIR/$tdir/remote_dir
- mkdir -p $DIR/$tdir
+ test_mkdir -p $DIR/$tdir
$LFS mkdir -i $MDTIDX $remote_dir ||
error "create remote directory failed"
- mkdir -p $DIR/$tdir/src_dir
+ test_mkdir -p $DIR/$tdir/src_dir
touch $DIR/$tdir/src_file
- mkdir -p $remote_dir/tgt_dir
+ test_mkdir -p $remote_dir/tgt_dir
touch $remote_dir/tgt_file
- mrename $remote_dir $DIR/ &&
- error "rename dir cross MDT works!"
-
- mrename $DIR/$tdir/src_dir $remote_dir/tgt_dir &&
- error "rename dir cross MDT works!"
+ mrename $DIR/$tdir/src_dir $remote_dir/tgt_dir ||
+ error "rename dir cross MDT failed!"
- mrename $DIR/$tdir/src_file $remote_dir/tgt_file &&
- error "rename file cross MDT works!"
+ mrename $DIR/$tdir/src_file $remote_dir/tgt_file ||
+ error "rename file cross MDT failed!"
- ln $DIR/$tdir/src_file $remote_dir/tgt_file1 &&
- error "ln file cross MDT should not work!"
+ touch $DIR/$tdir/ln_file
+ ln $DIR/$tdir/ln_file $remote_dir/ln_name ||
+ error "ln file cross MDT failed"
rm -rf $DIR/$tdir || error "Can not delete directories"
}
-run_test 24x "cross rename/link should be failed"
+run_test 24x "cross MDT rename/link"
test_24y() {
[[ $MDSCOUNT -lt 2 ]] && skip "needs >= 2 MDTs" && return
local MDTIDX=1
local remote_dir=$DIR/$tdir/remote_dir
- mkdir -p $DIR/$tdir
+ test_mkdir -p $DIR/$tdir
$LFS mkdir -i $MDTIDX $remote_dir ||
error "create remote directory failed"
- mkdir -p $remote_dir/src_dir
+ test_mkdir -p $remote_dir/src_dir
touch $remote_dir/src_file
- mkdir -p $remote_dir/tgt_dir
+ test_mkdir -p $remote_dir/tgt_dir
touch $remote_dir/tgt_file
mrename $remote_dir/src_dir $remote_dir/tgt_dir ||
}
run_test 24y "rename/link on the same dir should succeed"
-test_24z() {
- [[ $MDSCOUNT -lt 2 ]] && skip "needs >= 2 MDTs" && return
- [ $PARALLEL == "yes" ] && skip "skip parallel run" && return
- local MDTIDX=1
- local remote_src=$DIR/$tdir/remote_dir
- local remote_tgt=$DIR/$tdir/remote_tgt
-
- mkdir -p $DIR/$tdir
- $LFS mkdir -i $MDTIDX $remote_src ||
- error "create remote directory failed"
-
- $LFS mkdir -i $MDTIDX $remote_tgt ||
- error "create remote directory failed"
-
- mrename $remote_src $remote_tgt &&
- error "rename remote dirs should not work!"
-
- # If target dir does not exists, it should succeed
- rm -rf $remote_tgt
- mrename $remote_src $remote_tgt ||
- error "rename remote dirs(tgt dir does not exists) failed!"
-
- rm -rf $DIR/$tdir || error "Can not delete directories"
-}
-run_test 24z "rename one remote dir to another remote dir should fail"
-
test_24A() { # LU-3182
local NFILES=5000
rm -rf $DIR/$tdir
- mkdir -p $DIR/$tdir
+ test_mkdir -p $DIR/$tdir
createmany -m $DIR/$tdir/$tfile $NFILES
local t=$(ls $DIR/$tdir | wc -l)
local u=$(ls $DIR/$tdir | sort -u | wc -l)
[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return
local count
- mkdir $DIR/$tdir
+ test_mkdir $DIR/$tdir
$LFS setdirstripe -i0 -c$MDSCOUNT $DIR/$tdir/striped_dir ||
error "create striped dir failed"
}
run_test 24D "readdir() returns correct number of entries after cursor reload"
+test_24E() {
+ [[ $MDSCOUNT -lt 4 ]] && skip "needs >= 4 MDTs" && return
+ [ $PARALLEL == "yes" ] && skip "skip parallel run" && return
+
+ mkdir -p $DIR/$tdir
+ mkdir $DIR/$tdir/src_dir
+ $LFS mkdir -i 1 $DIR/$tdir/src_dir/src_child ||
+ error "create remote source failed"
+
+ touch $DIR/$tdir/src_dir/src_child/a
+
+ $LFS mkdir -i 2 $DIR/$tdir/tgt_dir ||
+ error "create remote target dir failed"
+
+ $LFS mkdir -i 3 $DIR/$tdir/tgt_dir/tgt_child ||
+ error "create remote target child failed"
+
+ mrename $DIR/$tdir/src_dir/src_child $DIR/$tdir/tgt_dir/tgt_child ||
+ error "rename dir cross MDT failed!"
+
+ find $DIR/$tdir
+
+ $CHECKSTAT -t dir $DIR/$tdir/src_dir/src_child &&
+ error "src_child still exists after rename"
+
+ $CHECKSTAT -t file $DIR/$tdir/tgt_dir/tgt_child/a ||
+ error "missing file(a) after rename"
+
+ rm -rf $DIR/$tdir || error "Can not delete directories"
+}
+run_test 24E "cross MDT rename/link"
+
test_25a() {
echo '== symlink sanity ============================================='
done
OSTIDX=$(index_from_ostuuid $OST)
- mkdir -p $DIR/$tdir
+ test_mkdir -p $DIR/$tdir
$SETSTRIPE -c 1 $DIR/$tdir # 1 stripe / file
for OSC in $MDS_OSCS; do
local ost_list=$(seq $first_ost $ost_step $last_ost)
local ost_range="$first_ost $last_ost $ost_step"
- mkdir -p $DIR/$tdir
+ test_mkdir -p $DIR/$tdir
pool_add $POOL || error "pool_add failed"
pool_add_targets $POOL $ost_range || error "pool_add_targets failed"
llapi_layout_test -d$DIR/$tdir -p$POOL -o$OSTCOUNT ||
}
test_31o() { # LU-2901
- mkdir -p $DIR/$tdir
+ test_mkdir -p $DIR/$tdir
for LOOP in $(seq 100); do
rm -f $DIR/$tdir/$tfile*
for THREAD in $(seq 8); do
test_31p() {
[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return
- mkdir $DIR/$tdir
+ test_mkdir $DIR/$tdir
$LFS setdirstripe -i0 -c2 $DIR/$tdir/striped_dir
$LFS setdirstripe -D -c2 -t all_char $DIR/$tdir/striped_dir
local MDTIDX=1
local remote_dir=$DIR/$tdir/remote_dir
- mkdir -p $DIR/$tdir
+ test_mkdir -p $DIR/$tdir
$LFS mkdir -i $MDTIDX $remote_dir ||
error "create remote directory failed"
test_36i() {
[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return
- mkdir $DIR/$tdir
+ test_mkdir $DIR/$tdir
$LFS setdirstripe -i0 -c$MDSCOUNT $DIR/$tdir/striped_dir
local mtime=$(stat -c%Y $DIR/$tdir/striped_dir)
test_39o() {
TESTDIR=$DIR/$tdir/$tfile
[ -e $TESTDIR ] && rm -rf $TESTDIR
- test_mkdir -p $TESTDIR
+ mkdir -p $TESTDIR
cd $TESTDIR
links1=2
ls
local MDTIDX=1
TESTDIR=$DIR/$tdir/$tfile
[ -e $TESTDIR ] && rm -rf $TESTDIR
- mkdir -p $TESTDIR
+ test_mkdir -p $TESTDIR
cd $TESTDIR
links1=2
ls
skip_env "need 2 OST, skipping test" && return
local dir0=$DIR/$tdir/$testnum
- mkdir -p $dir0 || error "creating dir $dir0"
+ test_mkdir -p $dir0 || error "creating dir $dir0"
local ref1=/etc/passwd
local file1=$dir0/file1
test_56y() {
[ $(lustre_version_code $SINGLEMDS) -lt $(version_code 2.4.53) ] &&
- skip "No HSM support on MDS of $(get_lustre_version)," \
- "need 2.4.53 at least" && return
- local res=""
+ skip "No HSM $(lustre_build_version $SINGLEMDS) MDS < 2.4.53" &&
+ return
+ local res=""
local dir0=$DIR/$tdir/$testnum
- mkdir -p $dir0 || error "creating dir $dir0"
+ test_mkdir -p $dir0 || error "creating dir $dir0"
local f1=$dir0/file1
local f2=$dir0/file2
run_test 69 "verify oa2dentry return -ENOENT doesn't LBUG ======"
test_71() {
- test_mkdir -p $DIR/$tdir
- sh rundbench -C -D $DIR/$tdir 2 || error "dbench failed!"
+ test_mkdir -p $DIR/$tdir
+ $LFS setdirstripe -D -c$MDSCOUNT $DIR/$tdir
+ sh rundbench -C -D $DIR/$tdir 2 || error "dbench failed!"
}
run_test 71 "Running dbench on lustre (don't segment fault) ===="
run_test 102p "check setxattr(2) correctly fails without permission"
test_102q() {
+ [ $(lustre_version_code $SINGLEMDS) -lt $(version_code 2.6.92) ] &&
+ skip "MDS needs to be at least 2.6.92" && return
orphan_linkea_check $DIR/$tfile || error "orphan_linkea_check"
}
run_test 102q "flistxattr should not return trusted.link EAs for orphans"
test_102r() {
+ [ $(lustre_version_code $SINGLEMDS) -lt $(version_code 2.6.93) ] &&
+ skip "MDS needs to be at least 2.6.93" && return
touch $DIR/$tfile || error "touch"
setfattr -n user.$(basename $tfile) $DIR/$tfile || error "setfattr"
getfattr -n user.$(basename $tfile) $DIR/$tfile || error "getfattr"
rm $DIR/$tfile || error "rm"
+
+ #normal directory
+ mkdir -p $DIR/$tdir || error "mkdir"
+ setfattr -n user.$(basename $tdir) $DIR/$tdir || error "setfattr dir"
+ getfattr -n user.$(basename $tdir) $DIR/$tdir || error "getfattr dir"
+ setfattr -x user.$(basename $tdir) $DIR/$tdir ||
+ error "$testfile error deleting user.author1"
+ getfattr -d -m user.$(basename $tdir) 2> /dev/null |
+ grep "user.$(basename $tdir)" &&
+ error "$tdir did not delete user.$(basename $tdir)"
+ rmdir $DIR/$tdir || error "rmdir"
+
+ #striped directory
+ test_mkdir -p $DIR/$tdir || error "make striped dir"
+ setfattr -n user.$(basename $tdir) $DIR/$tdir || error "setfattr dir"
+ getfattr -n user.$(basename $tdir) $DIR/$tdir || error "getfattr dir"
+ setfattr -x user.$(basename $tdir) $DIR/$tdir ||
+ error "$testfile error deleting user.author1"
+ getfattr -d -m user.$(basename $tdir) 2> /dev/null |
+ grep "user.$(basename $tdir)" &&
+ error "$tdir did not delete user.$(basename $tdir)"
+ rmdir $DIR/$tdir || error "rm striped dir"
}
run_test 102r "set EAs with empty values"
}
run_test 124b "lru resize (performance test) ======================="
+test_124c() {
+ [ $PARALLEL == "yes" ] && skip "skip parallel run" && return
+ [ -z "$($LCTL get_param -n mdc.*.connect_flags | grep lru_resize)" ] &&
+ skip "no lru resize on server" && return 0
+
+ # cache ununsed locks on client
+ local nr=100
+ cancel_lru_locks mdc
+ test_mkdir -p $DIR/$tdir || error "failed to create $DIR/$tdir"
+ createmany -o $DIR/$tdir/f $nr ||
+ error "failed to create $nr files in $DIR/$tdir"
+ ls -l $DIR/$tdir > /dev/null
+
+ local nsdir="ldlm.namespaces.*-MDT0000-mdc-*"
+ local unused=$($LCTL get_param -n $nsdir.lock_unused_count)
+ local max_age=$($LCTL get_param -n $nsdir.lru_max_age)
+ local recalc_p=$($LCTL get_param -n $nsdir.pool.recalc_period)
+ echo "unused=$unused, max_age=$max_age, recalc_p=$recalc_p"
+
+ # set lru_max_age to 1 sec
+ $LCTL set_param $nsdir.lru_max_age=1000 # jiffies
+ echo "sleep $((recalc_p * 2)) seconds..."
+ sleep $((recalc_p * 2))
+
+ local remaining=$($LCTL get_param -n $nsdir.lock_unused_count)
+ # restore lru_max_age
+ $LCTL set_param -n $nsdir.lru_max_age $max_age
+ [ $remaining -eq 0 ] || error "$remaining locks are not canceled"
+ unlinkmany $DIR/$tdir/f $nr
+}
+run_test 124c "LRUR cancel very aged locks"
+
test_125() { # 13358
[ -z "$(lctl get_param -n llite.*.client_type | grep local)" ] && skip "must run as local client" && return
[ -z "$(lctl get_param -n mdc.*-mdc-*.connect_flags | grep acl)" ] && skip "must have acl enabled" && return
run_test 181 "Test open-unlinked dir ========================"
test_182() {
- [ $PARALLEL == "yes" ] && skip "skip parallel run" && return
- # disable MDC RPC lock wouldn't crash client
local fcount=1000
- local tcount=4
+ local tcount=10
mkdir -p $DIR/$tdir || error "creating dir $DIR/$tdir"
-#define OBD_FAIL_MDC_RPCS_SEM 0x804
- $LCTL set_param fail_loc=0x804
- for (( i=0; i < $tcount; i++ )) ; do
+ $LCTL set_param mdc.*.rpc_stats=clear
+
+ for (( i = 0; i < $tcount; i++ )) ; do
mkdir $DIR/$tdir/$i
+ done
+
+ for (( i = 0; i < $tcount; i++ )) ; do
createmany -o $DIR/$tdir/$i/f- $fcount &
done
wait
- for (( i=0; i < $tcount; i++ )) ; do
+ for (( i = 0; i < $tcount; i++ )) ; do
unlinkmany $DIR/$tdir/$i/f- $fcount &
done
wait
- rm -rf $DIR/$tdir
+ $LCTL get_param mdc.*.rpc_stats
- $LCTL set_param fail_loc=0
+ rm -rf $DIR/$tdir
}
-run_test 182 "Disable MDC RPCs semaphore wouldn't crash client ================"
+run_test 182 "Test parallel modify metadata operations ================"
test_183() { # LU-2275
remote_mds_nodsh && skip "remote MDS with nodsh" && return
[ $PARALLEL == "yes" ] && skip "skip parallel run" && return
local pages_per_rpc=$($LCTL get_param \
osc.*.max_pages_per_rpc)
- local at_max=$(do_facet mgs "$LCTL get_param -n at_max")
- local timeout=$(do_facet mgs "$LCTL get_param -n timeout")
+ local at_max=$($LCTL get_param -n at_max)
+ local timeout=$($LCTL get_param -n timeout)
+ local test_at="$LCTL get_param -n at_max"
+ local param_at="$FSNAME.sys.at_max"
+ local test_timeout="$LCTL get_param -n timeout"
+ local param_timeout="$FSNAME.sys.timeout"
$LCTL set_param -n osc.*.max_pages_per_rpc=1024
- do_facet mgs "$LCTL conf_param $FSNAME.sys.at_max=0"
- do_facet mgs "$LCTL conf_param $FSNAME.sys.timeout=5"
+
+ set_conf_param_and_check client "$test_at" "$param_at" 0 ||
+ error "conf_param at_max=0 failed"
+ set_conf_param_and_check client "$test_timeout" "$param_timeout" 5 ||
+ error "conf_param timeout=5 failed"
#define OBD_FAIL_PTLRPC_CLIENT_BULK_CB3 0x520
$LCTL set_param fail_loc=0x520
sync
$LCTL set_param fail_loc=0
- do_facet mgs "$LCTL conf_param $FSNAME.sys.at_max=" \
- "$at_max"
- do_facet mgs "$LCTL conf_param $FSNAME.sys.timeout=" \
- "$timeout"
+ set_conf_param_and_check client "$test_at" "$param_at" $at_max ||
+ error "conf_param at_max=$at_max failed"
+ set_conf_param_and_check client "$test_timeout" "$param_timeout" \
+ $timeout || error "conf_param timeout=$timeout failed"
+
$LCTL set_param -n $pages_per_rpc
}
run_test 224c "Don't hang if one of md lost during large bulk RPC"
test_229() { # LU-2482, LU-3448
[ $(lustre_version_code $SINGLEMDS) -lt $(version_code 2.4.53) ] &&
- skip "No HSM support on MDS of $(get_lustre_version)," \
- "need 2.4.53 at least" && return
+ skip "No HSM $(lustre_build_version $SINGLEMDS) MDS < 2.4.53" &&
+ return
[ $PARALLEL == "yes" ] && skip "skip parallel run" && return
[ $OSTCOUNT -lt 2 ] && skip "needs >= 2 OSTs" && return
}
run_test 250 "Write above 16T limit"
+test_251() {
+ $SETSTRIPE -c -1 -S 1048576 $DIR/$tfile
+
+ #define OBD_FAIL_LLITE_LOST_LAYOUT 0x1407
+ #Skip once - writing the first stripe will succeed
+ $LCTL set_param fail_loc=0xa0001407 fail_val=1
+ $MULTIOP $DIR/$tfile o:O_RDWR:w2097152c 2>&1 | grep -q "short write" &&
+ error "short write happened"
+
+ $LCTL set_param fail_loc=0xa0001407 fail_val=1
+ $MULTIOP $DIR/$tfile or2097152c 2>&1 | grep -q "short read" &&
+ error "short read happened"
+
+ rm -f $DIR/$tfile
+}
+run_test 251 "Handling short read and write correctly"
+
cleanup_test_300() {
trap 0
umask $SAVE_UMASK
local mode=$(stat -c%a $DIR/$tdir/striped_dir)
[ "$mode" = "755" ] || error "expect 755 got $mode"
+ $LFS getdirstripe $DIR/$tdir/striped_dir > /dev/null 2>&1 ||
+ error "getdirstripe failed"
stripe_count=$($LFS getdirstripe -c $DIR/$tdir/striped_dir)
if [ "$stripe_count" != "2" ]; then
error "stripe_count is $stripe_count, expect 2"
$LFS setdirstripe -i 0 -c 2 -t all_char $DIR/$tdir/striped_dir/stp_c ||
error "set striped dir under striped dir error"
- mrename $DIR/$tdir/striped_dir/a $DIR/$tdir/striped_dir/b &&
- error "rename file under striped dir should fail"
+ mrename $DIR/$tdir/striped_dir/dir_a $DIR/$tdir/striped_dir/dir_b ||
+ error "rename dir under striped dir fails"
- mrename $DIR/$tdir/striped_dir/dir_a $DIR/$tdir/striped_dir/dir_b &&
- error "rename dir under striped dir should fail"
-
- mrename $DIR/$tdir/striped_dir/stp_a $DIR/$tdir/striped_dir/stp_b &&
- error "rename dir under different stripes should fail"
+ mrename $DIR/$tdir/striped_dir/stp_a $DIR/$tdir/striped_dir/stp_b ||
+ error "rename dir under different stripes fails"
mrename $DIR/$tdir/striped_dir/a $DIR/$tdir/striped_dir/c ||
error "rename file under striped dir should succeed"
- mrename $DIR/$tdir/striped_dir/dir_a $DIR/$tdir/striped_dir/dir_c ||
+ mrename $DIR/$tdir/striped_dir/dir_b $DIR/$tdir/striped_dir/dir_c ||
error "rename dir under striped dir should succeed"
rm -rf $DIR/$tdir
$LFS setdirstripe -i 0 -c 2 $DIR/$tdir/striped_dir/stp_b ||
error "create striped dir under striped dir fails"
- mrename $DIR/$tdir/striped_dir/a $DIR/$tdir/striped_dir1/b &&
- error "rename file under different striped dir should fail"
-
- mrename $DIR/$tdir/striped_dir/dir_a $DIR/$tdir/striped_dir1/dir_b &&
+ mrename $DIR/$tdir/striped_dir/dir_a $DIR/$tdir/striped_dir1/dir_b ||
error "rename dir under different striped dir should fail"
- mrename $DIR/$tdir/striped_dir/stp_a $DIR/$tdir/striped_dir1/stp_b &&
+ mrename $DIR/$tdir/striped_dir/stp_a $DIR/$tdir/striped_dir1/stp_b ||
error "rename striped dir under diff striped dir should fail"
mrename $DIR/$tdir/striped_dir/a $DIR/$tdir/striped_dir1/a ||
error "rename file under diff striped dirs fails"
- mrename $DIR/$tdir/striped_dir/dir_a $DIR/$tdir/striped_dir1/dir_a ||
- error "rename dir under diff striped dirs fails"
-
rm -rf $DIR/$tdir
}
run_test 300f "check rename cross striped directory"
}
run_test 300i "client handle unknown hash type striped directory"
+prepare_remote_file() {
+ mkdir $DIR/$tdir/src_dir ||
+ error "create remote source failed"
+
+ cp /etc/hosts $DIR/$tdir/src_dir/a || error
+ touch $DIR/$tdir/src_dir/a
+
+ $LFS mkdir -i 1 $DIR/$tdir/tgt_dir ||
+ error "create remote target dir failed"
+
+ touch $DIR/$tdir/tgt_dir/b
+
+ mrename $DIR/$tdir/src_dir/a $DIR/$tdir/tgt_dir/b ||
+ error "rename dir cross MDT failed!"
+
+ $CHECKSTAT -t file $DIR/$tdir/src_dir/a &&
+ error "src_child still exists after rename"
+
+ $CHECKSTAT -t file $DIR/$tdir/tgt_dir/b ||
+ error "missing file(a) after rename"
+
+ diff /etc/hosts $DIR/$tdir/tgt_dir/b ||
+ error "diff after rename"
+}
+
+test_310a() {
+ [[ $MDSCOUNT -lt 2 ]] && skip "needs >= 4 MDTs" && return
+ [ $PARALLEL == "yes" ] && skip "skip parallel run" && return
+ local remote_file=$DIR/$tdir/tgt_dir/b
+
+ mkdir -p $DIR/$tdir
+
+ prepare_remote_file || error "prepare remote file failed"
+
+ #open-unlink file
+ $OPENUNLINK $remote_file $remote_file || error
+ $CHECKSTAT -a $remote_file || error
+}
+run_test 310a "open unlink remote file"
+
+test_310b() {
+ [[ $MDSCOUNT -lt 2 ]] && skip "needs >= 4 MDTs" && return
+ [ $PARALLEL == "yes" ] && skip "skip parallel run" && return
+ local remote_file=$DIR/$tdir/tgt_dir/b
+
+ mkdir -p $DIR/$tdir
+
+ prepare_remote_file || error "prepare remote file failed"
+
+ ln $remote_file $DIR/$tfile || error "link failed for remote file"
+ $MULTIOP $DIR/$tfile Ouc || error "mulitop failed"
+ $CHECKSTAT -t file $remote_file || error "check file failed"
+}
+run_test 310b "unlink remote file with multiple links while open"
+
+test_310c() {
+ [[ $MDSCOUNT -lt 4 ]] && skip "needs >= 4 MDTs" && return
+ [ $PARALLEL == "yes" ] && skip "skip parallel run" && return
+ local remote_file=$DIR/$tdir/tgt_dir/b
+
+ mkdir -p $DIR/$tdir
+
+ prepare_remote_file || error "prepare remote file failed"
+
+ ln $remote_file $DIR/$tfile || error "link failed for remote file"
+ multiop_bg_pause $remote_file O_uc ||
+ error "mulitop failed for remote file"
+ MULTIPID=$!
+ $MULTIOP $DIR/$tfile Ouc
+ kill -USR1 $MULTIPID
+ wait $MULTIPID
+}
+run_test 310c "open-unlink remote file with multiple links"
+
test_400a() { # LU-1606, was conf-sanity test_74
local extra_flags=''
local out=$TMP/$tfile