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 seqres=$RESULT_DIR/$seq
16 echo "QA output created by $seq"
20 status=1 # failure is the default!
21 trap "_cleanup; exit \$status" 0 1 2 3 15
27 $KILLALL_PROG -9 fsstress > /dev/null 2>&1
32 # get standard environment, filters and checks
36 # Modify as appropriate.
40 _require_dm_target error
41 _require_command "$KILLALL_PROG" "killall"
45 echo "Silence is golden."
47 _scratch_mkfs >> $seqres.full 2>&1
48 _require_metadata_journaling $SCRATCH_DEV
52 for i in $(seq 1 $((50 * TIME_FACTOR)) ); do
53 ($FSSTRESS_PROG $FSSTRESS_AVOID -d $SCRATCH_MNT -n 999999 -p $((LOAD_FACTOR * 4)) >> $seqres.full &) \
56 # purposely include 0 second sleeps to test shutdown immediately after
60 # This test aims to simulate sudden disk failure, which means that we
61 # do not want to quiesce the filesystem or otherwise give it a chance
62 # to flush its logs. Therefore we want to call dmsetup with the
63 # --nolockfs parameter; to make this happen we must call the load
64 # error table helper *without* 'lockfs'.
65 _dmerror_load_error_table
67 ps -e | grep fsstress > /dev/null 2>&1
68 while [ $? -eq 0 ]; do
69 $KILLALL_PROG -9 fsstress > /dev/null 2>&1
71 ps -e | grep fsstress > /dev/null 2>&1
74 # Mount again to replay log after loading working table, so we have a
75 # consistent XFS after test.
76 _dmerror_unmount || _fail "unmount failed"
77 _dmerror_load_working_table
78 _dmerror_mount || _fail "mount failed"