# Get MMP update interval (in seconds) from the Lustre server target.
get_mmp_update_interval() {
- local facet=$1
- local device=$2
- local interval
+ local facet=$1
+ local device=$2
+ local interval
- interval=$(do_facet $facet "$DEBUGFS -c -R dump_mmp $device 2>/dev/null \
- | grep 'MMP Update Interval' | cut -d' ' -f4")
- [ -z "$interval" ] && interval=1
+ interval=$(do_facet $facet \
+ "$DEBUGFS -c -R dump_mmp $device 2>/dev/null" |
+ awk 'tolower($0) ~ /update.interval/ { print $NF }')
+ [ -z "$interval" ] && interval=5
- echo $interval
+ echo $interval
}
# Get MMP check interval (in seconds) from the Lustre server target.
get_mmp_check_interval() {
- local facet=$1
- local device=$2
- local interval
+ local facet=$1
+ local device=$2
+ local interval
- interval=$(do_facet $facet "$DEBUGFS -c -R dump_mmp $device 2>/dev/null \
- | grep 'MMP Check Interval' | cut -d' ' -f4")
- [ -z "$interval" ] && interval=5
+ interval=$(do_facet $facet \
+ "$DEBUGFS -c -R dump_mmp $device 2>/dev/null" |
+ awk 'tolower($0) ~ /check.interval/ { print $NF }')
+ [ -z "$interval" ] && interval=5
- echo $interval
+ echo $interval
+}
+
+# Adjust the MMP update interval (in seconds) on the Lustre server target.
+# Specifying an interval of 0 means to use the default interval.
+set_mmp_update_interval() {
+ local facet=$1
+ local device=$2
+ local interval=${3:-0}
+
+ do_facet $facet "$TUNE2FS -E mmp_update_interval=$interval $device"
+ return ${PIPESTATUS[0]}
}
# Enable the MMP feature on the Lustre server targets.
# Run e2fsck on the Lustre server target.
run_e2fsck() {
- local facet=$1
- shift
- local device=$1
- shift
- local opts="$@"
-
- log "Running e2fsck on the device $device on $facet..."
- do_facet $facet "$E2FSCK $opts $device"
- return ${PIPESTATUS[0]}
-}
-
-# Run delayed e2fsck on the Lustre server target.
-run_delay_e2fsck() {
local facet=$1
shift
local device=$1
+ shift
+ local opts="$@"
- do_facet $facet "$LUSTRE/tests/e2fsck.exp $device"
+ echo "Running e2fsck on the device $device on $facet..."
+ do_facet $facet "$E2FSCK $opts $device"
return ${PIPESTATUS[0]}
}
# Test 8 - mount during e2fsck (should never succeed).
test_8() {
local e2fsck_pid
+ local saved_interval
+ local new_interval
- log "Force e2fsck checking on device $MMP_MDSDEV on $MMP_MDS"
- do_facet $MMP_MDS "$DEBUGFS -w -R 'ssv free_blocks_count 0' $MMP_MDSDEV"
- run_delay_e2fsck $MMP_MDS $MMP_MDSDEV &
+ # After writing a new sequence number into the MMP block, e2fsck will
+ # sleep at least (2 * new_interval + 1) seconds before it goes into
+ # e2fsck passes.
+ new_interval=30
+
+ # MDT
+ saved_interval=$(get_mmp_update_interval $MMP_MDS $MMP_MDSDEV)
+ set_mmp_update_interval $MMP_MDS $MMP_MDSDEV $new_interval
+
+ run_e2fsck $MMP_MDS $MMP_MDSDEV "-fy" &
e2fsck_pid=$!
sleep 5
error_noexit \
"mount $MMP_MDSDEV on $MMP_MDS_FAILOVER should fail"
stop $MMP_MDS_FAILOVER || return ${PIPESTATUS[0]}
+ set_mmp_update_interval $MMP_MDS $MMP_MDSDEV $saved_interval
return 1
fi
wait $e2fsck_pid
+ set_mmp_update_interval $MMP_MDS $MMP_MDSDEV $saved_interval
+ # OST
echo
- log "Force e2fsck checking on device $MMP_OSTDEV on $MMP_OSS"
- do_facet $MMP_OSS "$DEBUGFS -w -R 'ssv free_blocks_count 0' $MMP_OSTDEV"
- run_delay_e2fsck $MMP_OSS $MMP_OSTDEV &
+ saved_interval=$(get_mmp_update_interval $MMP_OSS $MMP_OSTDEV)
+ set_mmp_update_interval $MMP_OSS $MMP_OSTDEV $new_interval
+
+ run_e2fsck $MMP_OSS $MMP_OSTDEV "-fy" &
e2fsck_pid=$!
sleep 5
error_noexit \
"mount $MMP_OSTDEV on $MMP_OSS_FAILOVER should fail"
stop $MMP_OSS_FAILOVER || return ${PIPESTATUS[0]}
+ set_mmp_update_interval $MMP_OSS $MMP_OSTDEV $saved_interval
return 2
fi
wait $e2fsck_pid
+ set_mmp_update_interval $MMP_OSS $MMP_OSTDEV $saved_interval
return 0
}
run_test 8 "mount during e2fsck"
mmp_fini
FAIL_ON_ERROR=$SAVED_FAIL_ON_ERROR
-complete $(basename $0) $SECONDS
+complete $SECONDS
$MMP_RESTORE_MOUNT && setupall
exit_status