. ${CONFIG:=$LUSTRE/tests/cfg/$NAME.sh}
init_logging
-[ $(facet_fstype $SINGLEMDS) != "ldiskfs" ] &&
- skip "test LFSCK only for ldiskfs" && exit 0
require_dsh_mds || exit 0
MCREATE=${MCREATE:-mcreate}
[[ $(lustre_version_code $SINGLEMDS) -le $(version_code 2.4.90) ]] &&
ALWAYS_EXCEPT="$ALWAYS_EXCEPT 2c"
+[[ $(lustre_version_code ost1) -lt $(version_code 2.5.55) ]] &&
+ ALWAYS_EXCEPT="$ALWAYS_EXCEPT 11 12 13 14 15 16 17 18 19"
+
build_test_filter
$LCTL set_param debug=+lfsck > /dev/null || true
MDT_DEV="${FSNAME}-MDT0000"
+OST_DEV="${FSNAME}-OST0000"
MDT_DEVNAME=$(mdsdevname ${SINGLEMDS//mds/})
START_NAMESPACE="do_facet $SINGLEMDS \
$LCTL lfsck_start -M ${MDT_DEV} -t namespace"
+START_LAYOUT="do_facet $SINGLEMDS \
+ $LCTL lfsck_start -M ${MDT_DEV} -t layout"
+START_LAYOUT_ON_OST="do_facet ost1 $LCTL lfsck_start -M ${OST_DEV} -t layout"
STOP_LFSCK="do_facet $SINGLEMDS $LCTL lfsck_stop -M ${MDT_DEV}"
SHOW_NAMESPACE="do_facet $SINGLEMDS \
$LCTL get_param -n mdd.${MDT_DEV}.lfsck_namespace"
+SHOW_LAYOUT="do_facet $SINGLEMDS \
+ $LCTL get_param -n mdd.${MDT_DEV}.lfsck_layout"
+SHOW_LAYOUT_ON_OST="do_facet ost1 \
+ $LCTL get_param -n obdfilter.${OST_DEV}.lfsck_layout"
MOUNT_OPTS_SCRUB="-o user_xattr"
MOUNT_OPTS_NOSCRUB="-o user_xattr,noscrub"
do_facet $SINGLEMDS $LCTL set_param fail_loc=0
do_facet $SINGLEMDS $LCTL set_param fail_val=0
- sleep 3
- STATUS=$($SHOW_NAMESPACE | awk '/^status/ { print $2 }')
- [ "$STATUS" == "completed" ] ||
- error "(9) Expect 'completed', but got '$STATUS'"
+ wait_update_facet $SINGLEMDS \
+ "$LCTL get_param -n mdd.${MDT_DEV}.lfsck_namespace | \
+ awk '/^status/ { print \\\$2 }'" "completed" 20 || \
+ error "(9) unexpected status"
local repaired=$($SHOW_NAMESPACE |
awk '/^updated_phase1/ { print $2 }')
local scanned1=$($SHOW_NAMESPACE | awk '/^success_count/ { print $2 }')
$START_NAMESPACE -r || error "(11) Fail to reset LFSCK!"
- sleep 3
-
- STATUS=$($SHOW_NAMESPACE | awk '/^status/ { print $2 }')
- [ "$STATUS" == "completed" ] ||
- error "(12) Expect 'completed', but got '$STATUS'"
+ wait_update_facet $SINGLEMDS \
+ "$LCTL get_param -n mdd.${MDT_DEV}.lfsck_namespace | \
+ awk '/^status/ { print \\\$2 }'" "completed" 20 || \
+ error "(12) unexpected status"
local scanned2=$($SHOW_NAMESPACE | awk '/^success_count/ { print $2 }')
[ $((scanned1 + 1)) -eq $scanned2 ] ||
run_test 0 "Control LFSCK manually"
test_1a() {
+ [ $(facet_fstype $SINGLEMDS) != ldiskfs ] &&
+ skip "OI Scrub not implemented for ZFS" && return
+
lfsck_prep 1 1
echo "start $SINGLEMDS"
start $SINGLEMDS $MDT_DEVNAME $MOUNT_OPTS_SCRUB > /dev/null ||
test_1b()
{
+ [ $(facet_fstype $SINGLEMDS) != ldiskfs ] &&
+ skip "OI Scrub not implemented for ZFS" && return
+
lfsck_prep 1 1
echo "start $SINGLEMDS"
start $SINGLEMDS $MDT_DEVNAME $MOUNT_OPTS_SCRUB > /dev/null ||
test_4()
{
+ [ $(facet_fstype $SINGLEMDS) != ldiskfs ] &&
+ skip "OI Scrub not implemented for ZFS" && return
+
lfsck_prep 3 3
mds_backup_restore $SINGLEMDS || error "(1) Fail to backup/restore!"
echo "start $SINGLEMDS with disabling OI scrub"
test_5()
{
+ [ $(facet_fstype $SINGLEMDS) != ldiskfs ] &&
+ skip "OI Scrub not implemented for ZFS" && return
+
lfsck_prep 1 1 1
mds_backup_restore $SINGLEMDS 1 || error "(1) Fail to backup/restore!"
echo "start $SINGLEMDS with disabling OI scrub"
test_10()
{
+ [ $(facet_fstype $SINGLEMDS) != ldiskfs ] &&
+ skip "lookup(..)/linkea on ZFS issue" && return
+
lfsck_prep 1 1
echo "start $SINGLEMDS"
start $SINGLEMDS $MDT_DEVNAME $MOUNT_OPTS_SCRUB > /dev/null ||
}
run_test 10 "System is available during LFSCK scanning"
+# remove LAST_ID
+ost_remove_lastid() {
+ local ost=$1
+ local idx=$2
+ local rcmd="do_facet ost${ost}"
+
+ echo "remove LAST_ID on ost${ost}: idx=${idx}"
+
+ # step 1: local mount
+ mount_fstype ost${ost} || return 1
+ # step 2: remove the specified LAST_ID
+ ${rcmd} rm -fv $(facet_mntpt ost${ost})/O/${idx}/{LAST_ID,d0/0}
+ # step 3: umount
+ unmount_fstype ost${ost} || return 2
+}
+
+test_11a() {
+ echo "stopall"
+ stopall > /dev/null
+ echo "formatall"
+ formatall > /dev/null
+ echo "setupall"
+ setupall > /dev/null
+
+ mkdir -p $DIR/$tdir
+ $SETSTRIPE -c 1 -i 0 $DIR/$tdir
+ createmany -o $DIR/$tdir/f 64
+
+ echo "stopall"
+ stopall > /dev/null
+
+ ost_remove_lastid 1 0 || error "(1) Fail to remove LAST_ID"
+
+ echo "start ost1"
+ start ost1 $(ostdevname 1) $MOUNT_OPTS_NOSCRUB > /dev/null ||
+ error "(2) Fail to start ost1"
+
+ local STATUS=$($SHOW_LAYOUT_ON_OST | awk '/^status/ { print $2 }')
+ [ "$STATUS" == "init" ] ||
+ error "(3) Expect 'init', but got '$STATUS'"
+
+ #define OBD_FAIL_LFSCK_DELAY4 0x160e
+ do_facet ost1 $LCTL set_param fail_val=3
+ do_facet ost1 $LCTL set_param fail_loc=0x160e
+
+ echo "trigger LFSCK for layout on ost1 to rebuild the LAST_ID(s)"
+ $START_LAYOUT_ON_OST || error "(4) Fail to start LFSCK on OST!"
+
+ wait_update_facet ost1 "$LCTL get_param -n \
+ obdfilter.${OST_DEV}.lfsck_layout |
+ awk '/^flags/ { print \\\$2 }'" "crashed_lastid" 60 || {
+ $SHOW_LAYOUT_ON_OST
+ return 5
+ }
+
+ do_facet ost1 $LCTL set_param fail_val=0
+ do_facet ost1 $LCTL set_param fail_loc=0
+
+ wait_update_facet ost1 "$LCTL get_param -n \
+ obdfilter.${OST_DEV}.lfsck_layout |
+ awk '/^status/ { print \\\$2 }'" "completed" 3 || {
+ $SHOW_LAYOUT_ON_OST
+ return 6
+ }
+
+ echo "the LAST_ID(s) should have been rebuilt"
+ FLAGS=$($SHOW_LAYOUT_ON_OST | awk '/^flags/ { print $2 }')
+ [ -z "$FLAGS" ] || error "(7) Expect empty flags, but got '$FLAGS'"
+}
+run_test 11a "LFSCK can rebuild lost last_id"
+
+test_11b() {
+ echo "stopall"
+ stopall > /dev/null
+ echo "formatall"
+ formatall > /dev/null
+ echo "setupall"
+ setupall > /dev/null
+
+ mkdir -p $DIR/$tdir
+ $SETSTRIPE -c 1 -i 0 $DIR/$tdir
+
+ echo "set fail_loc=0x160d to skip the updating LAST_ID on-disk"
+ #define OBD_FAIL_LFSCK_SKIP_LASTID 0x160d
+ do_facet ost1 $LCTL set_param fail_loc=0x160d
+ createmany -o $DIR/$tdir/f 64
+ local lastid1=$(do_facet ost1 "lctl get_param -n \
+ obdfilter.${ost1_svc}.last_id" | grep 0x100000000 |
+ awk -F: '{ print $2 }')
+
+ umount_client $MOUNT
+ echo "stop ost1"
+ stop ost1 || error "(1) Fail to stop ost1"
+
+ #define OBD_FAIL_OST_ENOSPC 0x215
+ do_facet ost1 $LCTL set_param fail_loc=0x215
+
+ echo "start ost1"
+ start ost1 $(ostdevname 1) $OST_MOUNT_OPTS ||
+ error "(2) Fail to start ost1"
+
+ local STATUS=$($SHOW_LAYOUT_ON_OST | awk '/^status/ { print $2 }')
+ [ "$STATUS" == "init" ] ||
+ error "(3) Expect 'init', but got '$STATUS'"
+
+ for ((i = 0; i < 60; i++)); do
+ lastid2=$(do_facet ost1 "lctl get_param -n \
+ obdfilter.${ost1_svc}.last_id" | grep 0x100000000 |
+ awk -F: '{ print $2 }')
+ [ ! -z $lastid2 ] && break;
+ sleep 1
+ done
+
+ echo "the on-disk LAST_ID should be smaller than the expected one"
+ [ $lastid1 -gt $lastid2 ] ||
+ error "(4) expect lastid1 [ $lastid1 ] > lastid2 [ $lastid2 ]"
+
+ echo "trigger LFSCK for layout on ost1 to rebuild the on-disk LAST_ID"
+ $START_LAYOUT_ON_OST || error "(5) Fail to start LFSCK on OST!"
+
+ wait_update_facet ost1 "$LCTL get_param -n \
+ obdfilter.${OST_DEV}.lfsck_layout |
+ awk '/^status/ { print \\\$2 }'" "completed" 3 || {
+ $SHOW_LAYOUT_ON_OST
+ return 6
+ }
+
+ echo "stop ost1"
+ stop ost1 || error "(7) Fail to stop ost1"
+
+ echo "start ost1"
+ start ost1 $(ostdevname 1) $OST_MOUNT_OPTS ||
+ error "(8) Fail to start ost1"
+
+ echo "the on-disk LAST_ID should have been rebuilt"
+ wait_update_facet ost1 "$LCTL get_param -n \
+ obdfilter.${ost1_svc}.last_id | grep 0x100000000 |
+ awk -F: '{ print \\\$2 }'" "$lastid1" 60 || {
+ $LCTL get_param -n obdfilter.${ost1_svc}.last_id
+ error "(9) expect lastid1 0x100000000:$lastid1"
+ }
+
+ do_facet ost1 $LCTL set_param fail_loc=0
+}
+run_test 11b "LFSCK can rebuild crashed last_id"
+
+test_12() {
+ [ $MDSCOUNT -lt 2 ] &&
+ skip "We need at least 2 MDSes for test_12" && exit 0
+
+ echo "stopall"
+ stopall > /dev/null
+ echo "formatall"
+ formatall > /dev/null
+ echo "setupall"
+ setupall > /dev/null
+
+ mkdir -p $DIR/$tdir
+
+ echo "All the LFSCK targets should be in 'init' status."
+ for k in $(seq $MDSCOUNT); do
+ local STATUS=$(do_facet mds${k} $LCTL get_param -n \
+ mdd.$(facet_svc mds${k}).lfsck_layout |
+ awk '/^status/ { print $2 }')
+ [ "$STATUS" == "init" ] ||
+ error "(1) MDS${k} Expect 'init', but got '$STATUS'"
+
+ $LFS mkdir -i $((k - 1)) $DIR/$tdir/${k}
+ createmany -o $DIR/$tdir/${k}/f 100
+ done
+
+ echo "Start namespace LFSCK on all targets by single command (-s 1)."
+ do_facet mds1 $LCTL lfsck_start -M ${FSNAME}-MDT0000 -t namespace -A \
+ -s 1 || error "(2) Fail to start LFSCK on all devices!"
+
+ echo "All the LFSCK targets should be in 'scanning-phase1' status."
+ for k in $(seq $MDSCOUNT); do
+ local STATUS=$(do_facet mds${k} $LCTL get_param -n \
+ mdd.$(facet_svc mds${k}).lfsck_namespace |
+ awk '/^status/ { print $2 }')
+ [ "$STATUS" == "scanning-phase1" ] ||
+ error "(3) MDS${k} Expect 'scanning-phase1', but got '$STATUS'"
+ done
+
+ echo "Stop namespace LFSCK on all targets by single lctl command."
+ do_facet mds1 $LCTL lfsck_stop -M ${FSNAME}-MDT0000 -A ||
+ error "(4) Fail to stop LFSCK on all devices!"
+
+ echo "All the LFSCK targets should be in 'stopped' status."
+ for k in $(seq $MDSCOUNT); do
+ local STATUS=$(do_facet mds${k} $LCTL get_param -n \
+ mdd.$(facet_svc mds${k}).lfsck_namespace |
+ awk '/^status/ { print $2 }')
+ [ "$STATUS" == "stopped" ] ||
+ error "(5) MDS${k} Expect 'stopped', but got '$STATUS'"
+ done
+
+ echo "Re-start namespace LFSCK on all targets by single command (-s 0)."
+ do_facet mds1 $LCTL lfsck_start -M ${FSNAME}-MDT0000 -t namespace -A \
+ -s 0 -r || error "(6) Fail to start LFSCK on all devices!"
+
+ echo "All the LFSCK targets should be in 'completed' status."
+ for k in $(seq $MDSCOUNT); do
+ wait_update_facet mds${k} "$LCTL get_param -n \
+ mdd.$(facet_svc mds${k}).lfsck_namespace |
+ awk '/^status/ { print \\\$2 }'" "completed" 8 ||
+ error "(7) MDS${k} is not the expected 'completed'"
+ done
+
+ echo "Start layout LFSCK on all targets by single command (-s 1)."
+ do_facet mds1 $LCTL lfsck_start -M ${FSNAME}-MDT0000 -t layout -A \
+ -s 1 || error "(8) Fail to start LFSCK on all devices!"
+
+ echo "All the LFSCK targets should be in 'scanning-phase1' status."
+ for k in $(seq $MDSCOUNT); do
+ local STATUS=$(do_facet mds${k} $LCTL get_param -n \
+ mdd.$(facet_svc mds${k}).lfsck_layout |
+ awk '/^status/ { print $2 }')
+ [ "$STATUS" == "scanning-phase1" ] ||
+ error "(9) MDS${k} Expect 'scanning-phase1', but got '$STATUS'"
+ done
+
+ echo "Stop layout LFSCK on all targets by single lctl command."
+ do_facet mds1 $LCTL lfsck_stop -M ${FSNAME}-MDT0000 -A ||
+ error "(10) Fail to stop LFSCK on all devices!"
+
+ echo "All the LFSCK targets should be in 'stopped' status."
+ for k in $(seq $MDSCOUNT); do
+ local STATUS=$(do_facet mds${k} $LCTL get_param -n \
+ mdd.$(facet_svc mds${k}).lfsck_layout |
+ awk '/^status/ { print $2 }')
+ [ "$STATUS" == "stopped" ] ||
+ error "(11) MDS${k} Expect 'stopped', but got '$STATUS'"
+ done
+
+ for k in $(seq $OSTCOUNT); do
+ local STATUS=$(do_facet ost${k} $LCTL get_param -n \
+ obdfilter.$(facet_svc ost${k}).lfsck_layout |
+ awk '/^status/ { print $2 }')
+ [ "$STATUS" == "stopped" ] ||
+ error "(12) OST${k} Expect 'stopped', but got '$STATUS'"
+ done
+
+ echo "Re-start layout LFSCK on all targets by single command (-s 0)."
+ do_facet mds1 $LCTL lfsck_start -M ${FSNAME}-MDT0000 -t layout -A \
+ -s 0 -r || error "(13) Fail to start LFSCK on all devices!"
+
+ echo "All the LFSCK targets should be in 'completed' status."
+ for k in $(seq $MDSCOUNT); do
+ # The LFSCK status query internal is 30 seconds. For the case
+ # of some LFSCK_NOTIFY RPCs failure/lost, we will wait enough
+ # time to guarantee the status sync up.
+ wait_update_facet mds${k} "$LCTL get_param -n \
+ mdd.$(facet_svc mds${k}).lfsck_layout |
+ awk '/^status/ { print \\\$2 }'" "completed" 32 ||
+ error "(14) MDS${k} is not the expected 'completed'"
+ done
+}
+run_test 12 "single command to trigger LFSCK on all devices"
+
+test_13() {
+ echo "#####"
+ echo "The lmm_oi in layout EA should be consistent with the MDT-object"
+ echo "FID; otherwise, the LFSCK should re-generate the lmm_oi from the"
+ echo "MDT-object FID."
+ echo "#####"
+
+ echo "stopall"
+ stopall > /dev/null
+ echo "formatall"
+ formatall > /dev/null
+ echo "setupall"
+ setupall > /dev/null
+
+ mkdir -p $DIR/$tdir
+
+ echo "Inject failure stub to simulate bad lmm_oi"
+ #define OBD_FAIL_LFSCK_BAD_LMMOI 0x160f
+ do_facet $SINGLEMDS $LCTL set_param fail_loc=0x160f
+ createmany -o $DIR/$tdir/f 32
+ do_facet $SINGLEMDS $LCTL set_param fail_loc=0
+
+ echo "stopall to cleanup object cache"
+ stopall > /dev/null
+ echo "setupall"
+ setupall > /dev/null
+
+ echo "Trigger layout LFSCK to find out the bad lmm_oi and fix them"
+ $START_LAYOUT || error "(1) Fail to start LFSCK for layout!"
+
+ wait_update_facet $SINGLEMDS "$LCTL get_param -n \
+ mdd.${MDT_DEV}.lfsck_layout |
+ awk '/^status/ { print \\\$2 }'" "completed" 3 || return 2
+
+ local repaired=$($SHOW_LAYOUT |
+ awk '/^repaired_others/ { print $2 }')
+ [ $repaired -eq 32 ] ||
+ error "(3) Fail to repair crashed lmm_oi: $repaired"
+}
+run_test 13 "LFSCK can repair crashed lmm_oi"
+
+test_14() {
+ echo "#####"
+ echo "The OST-object referenced by the MDT-object should be there;"
+ echo "otherwise, the LFSCK should re-create the missed OST-object."
+ echo "#####"
+
+ echo "stopall"
+ stopall > /dev/null
+ echo "formatall"
+ formatall > /dev/null
+ echo "setupall"
+ setupall > /dev/null
+
+ mkdir -p $DIR/$tdir
+ $LFS setstripe -c 1 -i 0 $DIR/$tdir
+
+ echo "Inject failure stub to simulate dangling referenced MDT-object"
+ #define OBD_FAIL_LFSCK_DANGLING 0x1610
+ do_facet ost1 $LCTL set_param fail_loc=0x1610
+ createmany -o $DIR/$tdir/f 64
+ do_facet ost1 $LCTL set_param fail_loc=0
+
+ echo "stopall to cleanup object cache"
+ stopall > /dev/null
+ echo "setupall"
+ setupall > /dev/null
+
+ echo "'ls' should fail because of dangling referenced MDT-object"
+ ls -ail $DIR/$tdir > /dev/null 2>&1 && error "(1) ls should fail."
+
+ echo "Trigger layout LFSCK to find out dangling reference and fix them"
+ $START_LAYOUT || error "(2) Fail to start LFSCK for layout!"
+
+ wait_update_facet $SINGLEMDS "$LCTL get_param -n \
+ mdd.${MDT_DEV}.lfsck_layout |
+ awk '/^status/ { print \\\$2 }'" "completed" 6 || return 3
+
+ local repaired=$($SHOW_LAYOUT |
+ awk '/^repaired_dangling/ { print $2 }')
+ [ $repaired -eq 32 ] ||
+ error "(4) Fail to repair dangling reference: $repaired"
+
+ echo "'ls' should success after layout LFSCK repairing"
+ ls -ail $DIR/$tdir > /dev/null || error "(5) ls should success."
+}
+run_test 14 "LFSCK can repair MDT-object with dangling reference"
+
+test_15a() {
+ echo "#####"
+ echo "If the OST-object referenced by the MDT-object back points"
+ echo "to some non-exist MDT-object, then the LFSCK should repair"
+ echo "the OST-object to back point to the right MDT-object."
+ echo "#####"
+
+ echo "stopall"
+ stopall > /dev/null
+ echo "formatall"
+ formatall > /dev/null
+ echo "setupall"
+ setupall > /dev/null
+
+ mkdir -p $DIR/$tdir
+ $LFS setstripe -c 1 -i 0 $DIR/$tdir
+
+ echo "Inject failure stub to make the OST-object to back point to"
+ echo "non-exist MDT-object."
+ #define OBD_FAIL_LFSCK_UNMATCHED_PAIR1 0x1611
+
+ do_facet ost1 $LCTL set_param fail_loc=0x1611
+ dd if=/dev/zero of=$DIR/$tdir/f0 bs=1M count=1
+ cancel_lru_locks osc
+ sync
+ sleep 2
+ do_facet ost1 $LCTL set_param fail_loc=0
+
+ echo "stopall to cleanup object cache"
+ stopall > /dev/null
+ echo "setupall"
+ setupall > /dev/null
+
+ echo "Trigger layout LFSCK to find out unmatched pairs and fix them"
+ $START_LAYOUT || error "(1) Fail to start LFSCK for layout!"
+
+ wait_update_facet $SINGLEMDS "$LCTL get_param -n \
+ mdd.${MDT_DEV}.lfsck_layout |
+ awk '/^status/ { print \\\$2 }'" "completed" 3 || return 2
+
+ local repaired=$($SHOW_LAYOUT |
+ awk '/^repaired_unmatched_pair/ { print $2 }')
+ [ $repaired -eq 1 ] ||
+ error "(3) Fail to repair unmatched pair: $repaired"
+}
+run_test 15a "LFSCK can repair unmatched MDT-object/OST-object pairs (1)"
+
+test_15b() {
+ echo "#####"
+ echo "If the OST-object referenced by the MDT-object back points"
+ echo "to other MDT-object that doesn't recognize the OST-object,"
+ echo "then the LFSCK should repair it to back point to the right"
+ echo "MDT-object (the first one)."
+ echo "#####"
+
+ echo "stopall"
+ stopall > /dev/null
+ echo "formatall"
+ formatall > /dev/null
+ echo "setupall"
+ setupall > /dev/null
+
+ mkdir -p $DIR/$tdir
+ $LFS setstripe -c 1 -i 0 $DIR/$tdir
+ touch $DIR/$tdir/guard
+
+ echo "Inject failure stub to make the OST-object to back point to"
+ echo "other MDT-object"
+
+ #define OBD_FAIL_LFSCK_UNMATCHED_PAIR2 0x1612
+ do_facet ost1 $LCTL set_param fail_loc=0x1612
+ dd if=/dev/zero of=$DIR/$tdir/f0 bs=1M count=1
+ cancel_lru_locks osc
+ sync
+ sleep 2
+ do_facet ost1 $LCTL set_param fail_loc=0
+
+ echo "stopall to cleanup object cache"
+ stopall > /dev/null
+ echo "setupall"
+ setupall > /dev/null
+
+ echo "Trigger layout LFSCK to find out unmatched pairs and fix them"
+ $START_LAYOUT || error "(1) Fail to start LFSCK for layout!"
+
+ wait_update_facet $SINGLEMDS "$LCTL get_param -n \
+ mdd.${MDT_DEV}.lfsck_layout |
+ awk '/^status/ { print \\\$2 }'" "completed" 3 || return 2
+
+ local repaired=$($SHOW_LAYOUT |
+ awk '/^repaired_unmatched_pair/ { print $2 }')
+ [ $repaired -eq 1 ] ||
+ error "(3) Fail to repair unmatched pair: $repaired"
+}
+run_test 15b "LFSCK can repair unmatched MDT-object/OST-object pairs (2)"
+
+test_16() {
+ echo "#####"
+ echo "If the OST-object's owner information does not match the owner"
+ echo "information stored in the MDT-object, then the LFSCK trust the"
+ echo "MDT-object and update the OST-object's owner information."
+ echo "#####"
+
+ echo "stopall"
+ stopall > /dev/null
+ echo "formatall"
+ formatall > /dev/null
+ echo "setupall"
+ setupall > /dev/null
+
+ mkdir -p $DIR/$tdir
+ $LFS setstripe -c 1 -i 0 $DIR/$tdir
+ dd if=/dev/zero of=$DIR/$tdir/f0 bs=1M count=1
+ cancel_lru_locks osc
+ sync
+ sleep 2
+
+ echo "Inject failure stub to skip OST-object owner changing"
+ #define OBD_FAIL_LFSCK_BAD_OWNER 0x1613
+ do_facet $SINGLEMDS $LCTL set_param fail_loc=0x1613
+ chown 1.1 $DIR/$tdir/f0
+ do_facet $SINGLEMDS $LCTL set_param fail_loc=0
+
+ echo "Trigger layout LFSCK to find out inconsistent OST-object owner"
+ echo "and fix them"
+
+ $START_LAYOUT || error "(1) Fail to start LFSCK for layout!"
+
+ wait_update_facet $SINGLEMDS "$LCTL get_param -n \
+ mdd.${MDT_DEV}.lfsck_layout |
+ awk '/^status/ { print \\\$2 }'" "completed" 3 || return 2
+
+ local repaired=$($SHOW_LAYOUT |
+ awk '/^repaired_inconsistent_owner/ { print $2 }')
+ [ $repaired -eq 1 ] ||
+ error "(3) Fail to repair inconsistent owner: $repaired"
+}
+run_test 16 "LFSCK can repair inconsistent MDT-object/OST-object owner"
+
+test_17() {
+ echo "#####"
+ echo "If more than one MDT-objects reference the same OST-object,"
+ echo "and the OST-object only recognizes one MDT-object, then the"
+ echo "LFSCK should create new OST-objects for such non-recognized"
+ echo "MDT-objects."
+ echo "#####"
+
+ echo "stopall"
+ stopall > /dev/null
+ echo "formatall"
+ formatall > /dev/null
+ echo "setupall"
+ setupall > /dev/null
+
+ mkdir -p $DIR/$tdir
+ $LFS setstripe -c 1 -i 0 $DIR/$tdir
+
+ echo "Inject failure stub to make two MDT-objects to refernce"
+ echo "the OST-object"
+
+ do_facet $SINGLEMDS $LCTL set_param fail_val=0
+ #define OBD_FAIL_LFSCK_MULTIPLE_REF 0x1614
+ do_facet $SINGLEMDS $LCTL set_param fail_loc=0x1614
+
+ dd if=/dev/zero of=$DIR/$tdir/guard bs=1M count=1
+ cancel_lru_locks osc
+ sync
+ sleep 2
+
+ createmany -o $DIR/$tdir/f 1 > /dev/null 2>&1
+
+ do_facet $SINGLEMDS $LCTL set_param fail_loc=0
+ do_facet $SINGLEMDS $LCTL set_param fail_val=0
+
+ echo "stopall to cleanup object cache"
+ stopall > /dev/null
+ echo "setupall"
+ setupall > /dev/null
+
+ echo "$DIR/$tdir/f0 and $DIR/$tdir/guard use the same OST-objects"
+ local size=$(ls -l $DIR/$tdir/f0 | awk '{ print $5 }')
+ [ $size -eq 1048576 ] ||
+ error "(1) f0 (wrong) size should be 1048576, but got $size"
+
+ echo "Trigger layout LFSCK to find out multiple refenced MDT-objects"
+ echo "and fix them"
+
+ $START_LAYOUT || error "(2) Fail to start LFSCK for layout!"
+
+ wait_update_facet $SINGLEMDS "$LCTL get_param -n \
+ mdd.${MDT_DEV}.lfsck_layout |
+ awk '/^status/ { print \\\$2 }'" "completed" 3 || return 3
+
+ local repaired=$($SHOW_LAYOUT |
+ awk '/^repaired_multiple_referenced/ { print $2 }')
+ [ $repaired -eq 1 ] ||
+ error "(4) Fail to repair multiple references: $repaired"
+
+ echo "$DIR/$tdir/f0 and $DIR/$tdir/guard should use diff OST-objects"
+ dd if=/dev/zero of=$DIR/$tdir/f0 bs=1M count=2 ||
+ error "(5) Fail to write f0."
+ size=$(ls -l $DIR/$tdir/guard | awk '{ print $5 }')
+ [ $size -eq 1048576 ] ||
+ error "(6) guard size should be 1048576, but got $size"
+}
+run_test 17 "LFSCK can repair multiple references"
+
+test_18a() {
+ [ $MDSCOUNT -lt 2 ] &&
+ skip "We need at least 2 MDSes for test_18a" && exit 0
+
+ [ $OSTCOUNT -lt 2 ] &&
+ skip "We need at least 2 OSTs for test_18a" && exit 0
+
+ echo "#####"
+ echo "The target MDT-object is there, but related stripe information"
+ echo "is lost or partly lost. The LFSCK should regenerate the missed"
+ echo "layout EA entries."
+ echo "#####"
+
+ echo "stopall"
+ stopall > /dev/null
+ echo "formatall"
+ formatall > /dev/null
+ echo "setupall"
+ setupall > /dev/null
+
+ mkdir -p $DIR/$tdir
+ $LFS mkdir -i 0 $DIR/$tdir/a1
+ $LFS mkdir -i 1 $DIR/$tdir/a2
+ $LFS setstripe -c 1 -i 0 -s 1M $DIR/$tdir/a1
+ $LFS setstripe -c 2 -i 1 -s 1M $DIR/$tdir/a2
+ dd if=/dev/zero of=$DIR/$tdir/a1/f1 bs=1M count=2
+ dd if=/dev/zero of=$DIR/$tdir/a2/f2 bs=1M count=2
+
+ local saved_size=$(ls -il $DIR/$tdir/a1/f1 | awk '{ print $6 }')
+
+ $LFS path2fid $DIR/$tdir/a1/f1
+ $LFS getstripe $DIR/$tdir/a1/f1
+ $LFS path2fid $DIR/$tdir/a2/f2
+ $LFS getstripe $DIR/$tdir/a2/f2
+ sync
+ cancel_lru_locks osc
+
+ echo "Inject failure, to make the MDT-object lost its layout EA"
+ #define OBD_FAIL_LFSCK_LOST_STRIPE 0x1615
+ do_facet mds1 $LCTL set_param fail_loc=0x1615
+ chown 1.1 $DIR/$tdir/a1/f1
+ do_facet mds2 $LCTL set_param fail_loc=0x1615
+ chown 1.1 $DIR/$tdir/a2/f2
+ sync
+ sleep 2
+ do_facet mds1 $LCTL set_param fail_loc=0
+ do_facet mds2 $LCTL set_param fail_loc=0
+
+ echo "stopall to cleanup object cache"
+ stopall > /dev/null
+ echo "setupall"
+ setupall > /dev/null
+
+ echo "The file size should be incorrect since layout EA is lost"
+ local cur_size=$(ls -il $DIR/$tdir/a1/f1 | awk '{ print $6 }')
+ [ "$cur_size" != "$saved_size" ] ||
+ error "(1) Expect incorrect file1 size"
+
+ cur_size=$(ls -il $DIR/$tdir/a2/f2 | awk '{ print $6 }')
+ [ "$cur_size" != "$saved_size" ] ||
+ error "(2) Expect incorrect file2 size"
+
+ echo "Trigger layout LFSCK on all devices to find out orphan OST-object"
+ $START_LAYOUT -o || error "(3) Fail to start LFSCK for layout!"
+
+ for k in $(seq $MDSCOUNT); do
+ # The LFSCK status query internal is 30 seconds. For the case
+ # of some LFSCK_NOTIFY RPCs failure/lost, we will wait enough
+ # time to guarantee the status sync up.
+ wait_update_facet mds${k} "$LCTL get_param -n \
+ mdd.$(facet_svc mds${k}).lfsck_layout |
+ awk '/^status/ { print \\\$2 }'" "completed" 32 ||
+ error "(4) MDS${k} is not the expected 'completed'"
+ done
+
+ for k in $(seq $OSTCOUNT); do
+ local cur_status=$(do_facet ost${k} $LCTL get_param -n \
+ obdfilter.$(facet_svc ost${k}).lfsck_layout |
+ awk '/^status/ { print $2 }')
+ [ "$cur_status" == "completed" ] ||
+ error "(5) OST${k} Expect 'completed', but got '$cur_status'"
+ done
+
+ for k in 1 2; do
+ local repaired=$(do_facet mds${k} $LCTL get_param -n \
+ mdd.$(facet_svc mds${k}).lfsck_layout |
+ awk '/^repaired_orphan/ { print $2 }')
+ [ $repaired -eq ${k} ] ||
+ error "(6) Expect ${k} fixed on mds${k}, but got: $repaired"
+ done
+
+ $LFS path2fid $DIR/$tdir/a1/f1
+ $LFS getstripe $DIR/$tdir/a1/f1
+ $LFS path2fid $DIR/$tdir/a2/f2
+ $LFS getstripe $DIR/$tdir/a2/f2
+
+ echo "The file size should be correct after layout LFSCK scanning"
+ cur_size=$(ls -il $DIR/$tdir/a1/f1 | awk '{ print $6 }')
+ [ "$cur_size" == "$saved_size" ] ||
+ error "(7) Expect file1 size $saved_size, but got $cur_size"
+
+ cur_size=$(ls -il $DIR/$tdir/a2/f2 | awk '{ print $6 }')
+ [ "$cur_size" == "$saved_size" ] ||
+ error "(8) Expect file2 size $saved_size, but got $cur_size"
+}
+run_test 18a "Find out orphan OST-object and repair it (1)"
+
+test_18b() {
+ [ $MDSCOUNT -lt 2 ] &&
+ skip "We need at least 2 MDSes for test_18b" && exit 0
+
+ [ $OSTCOUNT -lt 2 ] &&
+ skip "We need at least 2 OSTs for test_18b" && exit 0
+
+ echo "#####"
+ echo "The target MDT-object is lost. The LFSCK should re-create the"
+ echo "MDT-object under .lustre/lost+found/MDTxxxx. The admin should"
+ echo "can move it back to normal namespace manually."
+ echo "#####"
+
+ echo "stopall"
+ stopall > /dev/null
+ echo "formatall"
+ formatall > /dev/null
+ echo "setupall"
+ setupall > /dev/null
+
+ mkdir -p $DIR/$tdir
+ $LFS mkdir -i 0 $DIR/$tdir/a1
+ $LFS mkdir -i 1 $DIR/$tdir/a2
+ $LFS setstripe -c 1 -i 0 -s 1M $DIR/$tdir/a1
+ $LFS setstripe -c 2 -i 1 -s 1M $DIR/$tdir/a2
+ dd if=/dev/zero of=$DIR/$tdir/a1/f1 bs=1M count=2
+ dd if=/dev/zero of=$DIR/$tdir/a2/f2 bs=1M count=2
+ local saved_size=$(ls -il $DIR/$tdir/a1/f1 | awk '{ print $6 }')
+ local fid1=$($LFS path2fid $DIR/$tdir/a1/f1)
+ echo ${fid1}
+ $LFS getstripe $DIR/$tdir/a1/f1
+ local fid2=$($LFS path2fid $DIR/$tdir/a2/f2)
+ echo ${fid2}
+ $LFS getstripe $DIR/$tdir/a2/f2
+ sync
+ cancel_lru_locks osc
+
+ echo "Inject failure, to simulate the case of missing the MDT-object"
+ #define OBD_FAIL_LFSCK_LOST_MDTOBJ 0x1616
+ do_facet mds1 $LCTL set_param fail_loc=0x1616
+ rm -f $DIR/$tdir/a1/f1
+ do_facet mds2 $LCTL set_param fail_loc=0x1616
+ rm -f $DIR/$tdir/a2/f2
+ sync
+ sleep 2
+ do_facet mds1 $LCTL set_param fail_loc=0
+ do_facet mds2 $LCTL set_param fail_loc=0
+
+ echo "stopall to cleanup object cache"
+ stopall > /dev/null
+ echo "setupall"
+ setupall > /dev/null
+
+ echo "Trigger layout LFSCK on all devices to find out orphan OST-object"
+ $START_LAYOUT -o || error "(1) Fail to start LFSCK for layout!"
+
+ for k in $(seq $MDSCOUNT); do
+ # The LFSCK status query internal is 30 seconds. For the case
+ # of some LFSCK_NOTIFY RPCs failure/lost, we will wait enough
+ # time to guarantee the status sync up.
+ wait_update_facet mds${k} "$LCTL get_param -n \
+ mdd.$(facet_svc mds${k}).lfsck_layout |
+ awk '/^status/ { print \\\$2 }'" "completed" 32 ||
+ error "(2) MDS${k} is not the expected 'completed'"
+ done
+
+ for k in $(seq $OSTCOUNT); do
+ local cur_status=$(do_facet ost${k} $LCTL get_param -n \
+ obdfilter.$(facet_svc ost${k}).lfsck_layout |
+ awk '/^status/ { print $2 }')
+ [ "$cur_status" == "completed" ] ||
+ error "(3) OST${k} Expect 'completed', but got '$cur_status'"
+ done
+
+ for k in 1 2; do
+ local repaired=$(do_facet mds${k} $LCTL get_param -n \
+ mdd.$(facet_svc mds${k}).lfsck_layout |
+ awk '/^repaired_orphan/ { print $2 }')
+ [ $repaired -eq ${k} ] ||
+ error "(4) Expect ${k} fixed on mds${k}, but got: $repaired"
+ done
+
+ echo "Move the files from ./lustre/lost+found/MDTxxxx to namespace"
+ mv $MOUNT/.lustre/lost+found/MDT0000/R-${fid1} $DIR/$tdir/a1/f1 ||
+ error "(5) Fail to move $MOUNT/.lustre/lost+found/MDT0000/R-${fid1}"
+
+ mv $MOUNT/.lustre/lost+found/MDT0001/R-${fid2} $DIR/$tdir/a2/f2 ||
+ error "(6) Fail to move $MOUNT/.lustre/lost+found/MDT0001/R-${fid2}"
+
+ $LFS path2fid $DIR/$tdir/a1/f1
+ $LFS getstripe $DIR/$tdir/a1/f1
+ $LFS path2fid $DIR/$tdir/a2/f2
+ $LFS getstripe $DIR/$tdir/a2/f2
+
+ echo "The file size should be correct after layout LFSCK scanning"
+ local cur_size=$(ls -il $DIR/$tdir/a1/f1 | awk '{ print $6 }')
+ [ "$cur_size" == "$saved_size" ] ||
+ error "(7) Expect file1 size $saved_size, but got $cur_size"
+
+ cur_size=$(ls -il $DIR/$tdir/a2/f2 | awk '{ print $6 }')
+ [ "$cur_size" == "$saved_size" ] ||
+ error "(8) Expect file2 size $saved_size, but got $cur_size"
+}
+run_test 18b "Find out orphan OST-object and repair it (2)"
+
+test_18c() {
+ [ $MDSCOUNT -lt 2 ] &&
+ skip "We need at least 2 MDSes for test_18c" && exit 0
+
+ [ $OSTCOUNT -lt 2 ] &&
+ skip "We need at least 2 OSTs for test_18c" && exit 0
+
+ echo "#####"
+ echo "The target MDT-object is lost, and the OST-object FID is missing."
+ echo "The LFSCK should re-create the MDT-object with new FID under the "
+ echo "directory .lustre/lost+found/MDTxxxx."
+ echo "#####"
+
+ echo "stopall"
+ stopall > /dev/null
+ echo "formatall"
+ formatall > /dev/null
+ echo "setupall"
+ setupall > /dev/null
+
+ mkdir -p $DIR/$tdir
+ $LFS mkdir -i 0 $DIR/$tdir/a1
+ $LFS mkdir -i 1 $DIR/$tdir/a2
+ $LFS setstripe -c 1 -i 0 -s 1M $DIR/$tdir/a1
+ $LFS setstripe -c 2 -i 1 -s 1M $DIR/$tdir/a2
+
+ echo "Inject failure, to simulate the case of missing parent FID"
+ #define OBD_FAIL_LFSCK_NOPFID 0x1617
+ do_facet ost1 $LCTL set_param fail_loc=0x1617
+ do_facet ost2 $LCTL set_param fail_loc=0x1617
+
+ dd if=/dev/zero of=$DIR/$tdir/a1/f1 bs=1M count=2
+ dd if=/dev/zero of=$DIR/$tdir/a2/f2 bs=1M count=2
+ $LFS getstripe $DIR/$tdir/a1/f1
+ $LFS getstripe $DIR/$tdir/a2/f2
+ sync
+ cancel_lru_locks osc
+
+ echo "Inject failure, to simulate the case of missing the MDT-object"
+ #define OBD_FAIL_LFSCK_LOST_MDTOBJ 0x1616
+ do_facet mds1 $LCTL set_param fail_loc=0x1616
+ rm -f $DIR/$tdir/a1/f1
+ do_facet mds2 $LCTL set_param fail_loc=0x1616
+ rm -f $DIR/$tdir/a2/f2
+ sync
+ sleep 2
+ do_facet mds1 $LCTL set_param fail_loc=0
+ do_facet mds2 $LCTL set_param fail_loc=0
+
+ echo "stopall to cleanup object cache"
+ stopall > /dev/null
+ echo "setupall"
+ setupall > /dev/null
+
+ echo "Trigger layout LFSCK on all devices to find out orphan OST-object"
+ $START_LAYOUT -o || error "(1) Fail to start LFSCK for layout!"
+
+ for k in $(seq $MDSCOUNT); do
+ # The LFSCK status query internal is 30 seconds. For the case
+ # of some LFSCK_NOTIFY RPCs failure/lost, we will wait enough
+ # time to guarantee the status sync up.
+ wait_update_facet mds${k} "$LCTL get_param -n \
+ mdd.$(facet_svc mds${k}).lfsck_layout |
+ awk '/^status/ { print \\\$2 }'" "completed" 32 ||
+ error "(2) MDS${k} is not the expected 'completed'"
+ done
+
+ for k in $(seq $OSTCOUNT); do
+ local cur_status=$(do_facet ost${k} $LCTL get_param -n \
+ obdfilter.$(facet_svc ost${k}).lfsck_layout |
+ awk '/^status/ { print $2 }')
+ [ "$cur_status" == "completed" ] ||
+ error "(3) OST${k} Expect 'completed', but got '$cur_status'"
+ done
+
+ local repaired=$(do_facet mds1 $LCTL get_param -n \
+ mdd.$(facet_svc mds1).lfsck_layout |
+ awk '/^repaired_orphan/ { print $2 }')
+ [ $repaired -eq 3 ] ||
+ error "(4) Expect 3 fixed on mds1, but got: $repaired"
+
+ repaired=$(do_facet mds2 $LCTL get_param -n \
+ mdd.$(facet_svc mds2).lfsck_layout |
+ awk '/^repaired_orphan/ { print $2 }')
+ [ $repaired -eq 0 ] ||
+ error "(5) Expect 0 fixed on mds2, but got: $repaired"
+
+ echo "There should be some stub under .lustre/lost+found/MDT0001/"
+ ls -ail $MOUNT/.lustre/lost+found/MDT0001/N-* &&
+ error "(6) .lustre/lost+found/MDT0001/ should be empty"
+
+ echo "There should be some stub under .lustre/lost+found/MDT0000/"
+ ls -ail $MOUNT/.lustre/lost+found/MDT0000/N-* ||
+ error "(7) .lustre/lost+found/MDT0000/ should not be empty"
+}
+run_test 18c "Find out orphan OST-object and repair it (3)"
+
+test_18d() {
+ echo "#####"
+ echo "The target MDT-object layout EA slot is occpuied by some new"
+ echo "created OST-object when repair dangling reference case. Such"
+ echo "conflict OST-object has never been modified. Then when found"
+ echo "the orphan OST-object, LFSCK will replace it with the orphan"
+ echo "OST-object."
+ echo "#####"
+
+ echo "stopall"
+ stopall > /dev/null
+ echo "formatall"
+ formatall > /dev/null
+ echo "setupall"
+ setupall > /dev/null
+
+ mkdir -p $DIR/$tdir/a1
+ $LFS setstripe -c 1 -i 0 -s 1M $DIR/$tdir/a1
+ echo "guard" > $DIR/$tdir/a1/f1
+ echo "foo" > $DIR/$tdir/a1/f2
+ local saved_size=$(ls -il $DIR/$tdir/a1/f2 | awk '{ print $6 }')
+ $LFS path2fid $DIR/$tdir/a1/f1
+ $LFS getstripe $DIR/$tdir/a1/f1
+ $LFS path2fid $DIR/$tdir/a1/f2
+ $LFS getstripe $DIR/$tdir/a1/f2
+ sync
+ cancel_lru_locks osc
+
+ echo "Inject failure to make $DIR/$tdir/a1/f1 and $DIR/$tdir/a1/f2"
+ echo "to reference the same OST-object (which is f1's OST-obejct)."
+ echo "Then drop $DIR/$tdir/a1/f1 and its OST-object, so f2 becomes"
+ echo "dangling reference case, but f2's old OST-object is there."
+ echo
+
+ #define OBD_FAIL_LFSCK_CHANGE_STRIPE 0x1618
+ do_facet $SINGLEMDS $LCTL set_param fail_loc=0x1618
+ chown 1.1 $DIR/$tdir/a1/f2
+ rm -f $DIR/$tdir/a1/f1
+ sync
+ sleep 2
+ do_facet $SINGLEMDS $LCTL set_param fail_loc=0
+
+ echo "stopall to cleanup object cache"
+ stopall > /dev/null
+ echo "setupall"
+ setupall > /dev/null
+
+ echo "The file size should be incorrect since dangling referenced"
+ local cur_size=$(ls -il $DIR/$tdir/a1/f2 | awk '{ print $6 }')
+ [ "$cur_size" != "$saved_size" ] ||
+ error "(1) Expect incorrect file2 size"
+
+ echo "Trigger layout LFSCK on all devices to find out orphan OST-object"
+ $START_LAYOUT -o || error "(2) Fail to start LFSCK for layout!"
+
+ for k in $(seq $MDSCOUNT); do
+ # The LFSCK status query internal is 30 seconds. For the case
+ # of some LFSCK_NOTIFY RPCs failure/lost, we will wait enough
+ # time to guarantee the status sync up.
+ wait_update_facet mds${k} "$LCTL get_param -n \
+ mdd.$(facet_svc mds${k}).lfsck_layout |
+ awk '/^status/ { print \\\$2 }'" "completed" 32 ||
+ error "(3) MDS${k} is not the expected 'completed'"
+ done
+
+ for k in $(seq $OSTCOUNT); do
+ local cur_status=$(do_facet ost${k} $LCTL get_param -n \
+ obdfilter.$(facet_svc ost${k}).lfsck_layout |
+ awk '/^status/ { print $2 }')
+ [ "$cur_status" == "completed" ] ||
+ error "(4) OST${k} Expect 'completed', but got '$cur_status'"
+ done
+
+ local repaired=$(do_facet $SINGLEMDS $LCTL get_param -n \
+ mdd.$(facet_svc $SINGLEMDS).lfsck_layout |
+ awk '/^repaired_orphan/ { print $2 }')
+ [ $repaired -eq 1 ] ||
+ error "(5) Expect 1 orphan has been fixed, but got: $repaired"
+
+ echo "The file size should be correct after layout LFSCK scanning"
+ cur_size=$(ls -il $DIR/$tdir/a1/f2 | awk '{ print $6 }')
+ [ "$cur_size" == "$saved_size" ] ||
+ error "(6) Expect file2 size $saved_size, but got $cur_size"
+
+ echo "There should be some stub under .lustre/lost+found/MDT0000/"
+ ls -ail $MOUNT/.lustre/lost+found/MDT0000/ &&
+ error "(7) .lustre/lost+found/MDT0000/ should be empty"
+
+ echo "The LFSCK should find back the original data."
+ cat $DIR/$tdir/a1/f2
+ $LFS path2fid $DIR/$tdir/a1/f2
+ $LFS getstripe $DIR/$tdir/a1/f2
+}
+run_test 18d "Find out orphan OST-object and repair it (4)"
+
+test_18e() {
+ echo "#####"
+ echo "The target MDT-object layout EA slot is occpuied by some new"
+ echo "created OST-object when repair dangling reference case. Such"
+ echo "conflict OST-object has been modified by others. To keep the"
+ echo "new data, the LFSCK will create a new file to refernece this"
+ echo "old orphan OST-object."
+ echo "#####"
+
+ echo "stopall"
+ stopall > /dev/null
+ echo "formatall"
+ formatall > /dev/null
+ echo "setupall"
+ setupall > /dev/null
+
+ mkdir -p $DIR/$tdir/a1
+ $LFS setstripe -c 1 -i 0 -s 1M $DIR/$tdir/a1
+ echo "guard" > $DIR/$tdir/a1/f1
+ echo "foo" > $DIR/$tdir/a1/f2
+ local saved_size=$(ls -il $DIR/$tdir/a1/f2 | awk '{ print $6 }')
+ $LFS path2fid $DIR/$tdir/a1/f1
+ $LFS getstripe $DIR/$tdir/a1/f1
+ $LFS path2fid $DIR/$tdir/a1/f2
+ $LFS getstripe $DIR/$tdir/a1/f2
+ sync
+ cancel_lru_locks osc
+
+ echo "Inject failure to make $DIR/$tdir/a1/f1 and $DIR/$tdir/a1/f2"
+ echo "to reference the same OST-object (which is f1's OST-obejct)."
+ echo "Then drop $DIR/$tdir/a1/f1 and its OST-object, so f2 becomes"
+ echo "dangling reference case, but f2's old OST-object is there."
+ echo
+
+ #define OBD_FAIL_LFSCK_CHANGE_STRIPE 0x1618
+ do_facet $SINGLEMDS $LCTL set_param fail_loc=0x1618
+ chown 1.1 $DIR/$tdir/a1/f2
+ rm -f $DIR/$tdir/a1/f1
+ sync
+ sleep 2
+ do_facet $SINGLEMDS $LCTL set_param fail_loc=0
+
+ echo "stopall to cleanup object cache"
+ stopall > /dev/null
+ echo "setupall"
+ setupall > /dev/null
+
+ echo "The file size should be incorrect since dangling referenced"
+ local cur_size=$(ls -il $DIR/$tdir/a1/f2 | awk '{ print $6 }')
+ [ "$cur_size" != "$saved_size" ] ||
+ error "(1) Expect incorrect file2 size"
+
+ #define OBD_FAIL_LFSCK_DELAY3 0x1602
+ do_facet $SINGLEMDS $LCTL set_param fail_val=10
+ do_facet $SINGLEMDS $LCTL set_param fail_loc=0x1602
+
+ echo "Trigger layout LFSCK on all devices to find out orphan OST-object"
+ $START_LAYOUT -o || error "(2) Fail to start LFSCK for layout!"
+
+ wait_update_facet mds1 "$LCTL get_param -n \
+ mdd.$(facet_svc mds1).lfsck_layout |
+ awk '/^status/ { print \\\$2 }'" "scanning-phase2" 6 ||
+ error "(3) MDS1 is not the expected 'scanning-phase2'"
+
+ # to guarantee all updates are synced.
+ sync
+ sleep 2
+
+ echo "Write new data to f2 to modify the new created OST-object."
+ echo "dummy" >> $DIR/$tdir/a1/f2
+
+ do_facet $SINGLEMDS $LCTL set_param fail_val=0
+ do_facet $SINGLEMDS $LCTL set_param fail_loc=0
+
+ for k in $(seq $MDSCOUNT); do
+ # The LFSCK status query internal is 30 seconds. For the case
+ # of some LFSCK_NOTIFY RPCs failure/lost, we will wait enough
+ # time to guarantee the status sync up.
+ wait_update_facet mds${k} "$LCTL get_param -n \
+ mdd.$(facet_svc mds${k}).lfsck_layout |
+ awk '/^status/ { print \\\$2 }'" "completed" 32 ||
+ error "(4) MDS${k} is not the expected 'completed'"
+ done
+
+ for k in $(seq $OSTCOUNT); do
+ local cur_status=$(do_facet ost${k} $LCTL get_param -n \
+ obdfilter.$(facet_svc ost${k}).lfsck_layout |
+ awk '/^status/ { print $2 }')
+ [ "$cur_status" == "completed" ] ||
+ error "(5) OST${k} Expect 'completed', but got '$cur_status'"
+ done
+
+ local repaired=$(do_facet $SINGLEMDS $LCTL get_param -n \
+ mdd.$(facet_svc $SINGLEMDS).lfsck_layout |
+ awk '/^repaired_orphan/ { print $2 }')
+ [ $repaired -eq 1 ] ||
+ error "(6) Expect 1 orphan has been fixed, but got: $repaired"
+
+ echo "There should be stub file under .lustre/lost+found/MDT0000/"
+ local cname=$(ls $MOUNT/.lustre/lost+found/MDT0000/C-*)
+ [ ! -z $name ] ||
+ error "(7) .lustre/lost+found/MDT0000/ should not be empty"
+
+ echo "The stub file should keep the original f2 data"
+ cur_size=$(ls -il $cname | awk '{ print $6 }')
+ [ "$cur_size" == "$saved_size" ] ||
+ error "(8) Expect file2 size $saved_size, but got $cur_size"
+
+ cat $cname
+ $LFS path2fid $cname
+ $LFS getstripe $cname
+
+ echo "The f2 should contains new data."
+ cat $DIR/$tdir/a1/f2
+ $LFS path2fid $DIR/$tdir/a1/f2
+ $LFS getstripe $DIR/$tdir/a1/f2
+}
+run_test 18e "Find out orphan OST-object and repair it (5)"
+
+test_19a() {
+ echo "stopall"
+ stopall > /dev/null
+ echo "formatall"
+ formatall > /dev/null
+ echo "setupall"
+ setupall > /dev/null
+
+ mkdir -p $DIR/$tdir
+ $LFS setstripe -c 1 -i 0 $DIR/$tdir
+
+ echo "foo" > $DIR/$tdir/a0
+ echo "guard" > $DIR/$tdir/a1
+
+ cancel_lru_locks osc
+ umount_client $MOUNT || error "(1) Fail to stop client!"
+ mount_client $MOUNT || error "(2) Fail to start client!"
+
+ echo "Inject failure, then client will offer wrong parent FID when read"
+ do_facet ost1 $LCTL set_param -n \
+ obdfilter.${FSNAME}-OST0000.lfsck_verify_pfid 1
+ #define OBD_FAIL_LFSCK_INVALID_PFID 0x1619
+ $LCTL set_param fail_loc=0x1619
+
+ echo "Read RPC with wrong parent FID should be denied"
+ cat $DIR/$tdir/a0 && error "(3) Read should be denied!"
+ $LCTL set_param fail_loc=0
+}
+run_test 19a "OST-object inconsistency self detect"
+
+test_19b() {
+ echo "stopall"
+ stopall > /dev/null
+ echo "formatall"
+ formatall > /dev/null
+ echo "setupall"
+ setupall > /dev/null
+
+ mkdir -p $DIR/$tdir
+ $LFS setstripe -c 1 -i 0 $DIR/$tdir
+
+ echo "Inject failure stub to make the OST-object to back point to"
+ echo "non-exist MDT-object"
+
+ #define OBD_FAIL_LFSCK_UNMATCHED_PAIR1 0x1611
+ do_facet ost1 $LCTL set_param fail_loc=0x1611
+ echo "foo" > $DIR/$tdir/f0
+ cancel_lru_locks osc
+ sync
+ sleep 2
+ do_facet ost1 $LCTL set_param fail_loc=0
+
+ echo "Nothing should be fixed since self detect and repair is disabled"
+ local repaired=$(do_facet ost1 $LCTL get_param -n \
+ obdfilter.${FSNAME}-OST0000.lfsck_verify_pfid |
+ awk '/^repaired/ { print $2 }')
+ [ $repaired -eq 0 ] ||
+ error "(1) Expected 0 repaired, but got $repaired"
+
+ echo "Read RPC with right parent FID should be accepted,"
+ echo "and cause parent FID on OST to be fixed"
+
+ do_facet ost1 $LCTL set_param -n \
+ obdfilter.${FSNAME}-OST0000.lfsck_verify_pfid 1
+ cat $DIR/$tdir/f0 || error "(2) Read should not be denied!"
+
+ repaired=$(do_facet ost1 $LCTL get_param -n \
+ obdfilter.${FSNAME}-OST0000.lfsck_verify_pfid |
+ awk '/^repaired/ { print $2 }')
+ [ $repaired -eq 1 ] ||
+ error "(3) Expected 1 repaired, but got $repaired"
+}
+run_test 19b "OST-object inconsistency self repair"
+
$LCTL set_param debug=-lfsck > /dev/null || true
# restore MDS/OST size