2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (c) 2017 Oracle, Inc. All Rights Reserved.
7 # Test log recovery with repeated (simulated) disk failures. We kick
8 # off fsstress on the scratch fs, then switch out the underlying device
9 # with dm-error to see what happens when the disk goes down. Having
10 # taken down the fs in this manner, remount it and repeat. This test
11 # is a Good Enough (tm) simulation of our internal multipath failure
15 _begin_fstest shutdown auto log metadata eio
17 # Override the default cleanup function.
22 $KILLALL_PROG -9 fsstress > /dev/null 2>&1
27 # Import common functions.
30 # Modify as appropriate.
34 _require_dm_target error
35 _require_command "$KILLALL_PROG" "killall"
37 echo "Silence is golden."
39 _scratch_mkfs >> $seqres.full 2>&1
40 _require_metadata_journaling $SCRATCH_DEV
44 for i in $(seq 1 $((50 * TIME_FACTOR)) ); do
45 ($FSSTRESS_PROG $FSSTRESS_AVOID -d $SCRATCH_MNT -n 999999 -p $((LOAD_FACTOR * 4)) >> $seqres.full &) \
48 # purposely include 0 second sleeps to test shutdown immediately after
52 # This test aims to simulate sudden disk failure, which means that we
53 # do not want to quiesce the filesystem or otherwise give it a chance
54 # to flush its logs. Therefore we want to call dmsetup with the
55 # --nolockfs parameter; to make this happen we must call the load
56 # error table helper *without* 'lockfs'.
57 _dmerror_load_error_table
59 ps -e | grep fsstress > /dev/null 2>&1
60 while [ $? -eq 0 ]; do
61 $KILLALL_PROG -9 fsstress > /dev/null 2>&1
63 ps -e | grep fsstress > /dev/null 2>&1
66 # Mount again to replay log after loading working table, so we have a
67 # consistent XFS after test.
68 _dmerror_unmount || _fail "unmount failed"
69 _dmerror_load_working_table
70 _dmerror_mount || _fail "mount failed"