| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (c) 2017 Oracle, Inc. All Rights Reserved. |
| # |
| # FS QA Test No. 475 |
| # |
| # Test log recovery with repeated (simulated) disk failures. We kick |
| # off fsstress on the scratch fs, then switch out the underlying device |
| # with dm-error to see what happens when the disk goes down. Having |
| # taken down the fs in this manner, remount it and repeat. This test |
| # is a Good Enough (tm) simulation of our internal multipath failure |
| # testing efforts. |
| # |
| . ./common/preamble |
| _begin_fstest shutdown auto log metadata eio recoveryloop |
| |
| # Override the default cleanup function. |
| _cleanup() |
| { |
| cd / |
| rm -f $tmp.* |
| $KILLALL_PROG -9 fsstress > /dev/null 2>&1 |
| _dmerror_unmount |
| _dmerror_cleanup |
| } |
| |
| # Import common functions. |
| . ./common/dmerror |
| |
| # Modify as appropriate. |
| _supported_fs generic |
| |
| _require_scratch |
| _require_dm_target error |
| _require_command "$KILLALL_PROG" "killall" |
| |
| echo "Silence is golden." |
| |
| _scratch_mkfs >> $seqres.full 2>&1 |
| _require_metadata_journaling $SCRATCH_DEV |
| _dmerror_init |
| _dmerror_mount |
| |
| for i in $(seq 1 $((50 * TIME_FACTOR)) ); do |
| ($FSSTRESS_PROG $FSSTRESS_AVOID -d $SCRATCH_MNT -n 999999 -p $((LOAD_FACTOR * 4)) >> $seqres.full &) \ |
| > /dev/null 2>&1 |
| |
| # purposely include 0 second sleeps to test shutdown immediately after |
| # recovery |
| sleep $((RANDOM % 3)) |
| |
| # This test aims to simulate sudden disk failure, which means that we |
| # do not want to quiesce the filesystem or otherwise give it a chance |
| # to flush its logs. Therefore we want to call dmsetup with the |
| # --nolockfs parameter; to make this happen we must call the load |
| # error table helper *without* 'lockfs'. |
| _dmerror_load_error_table |
| |
| ps -e | grep fsstress > /dev/null 2>&1 |
| while [ $? -eq 0 ]; do |
| $KILLALL_PROG -9 fsstress > /dev/null 2>&1 |
| wait > /dev/null 2>&1 |
| ps -e | grep fsstress > /dev/null 2>&1 |
| done |
| |
| # Mount again to replay log after loading working table, so we have a |
| # consistent XFS after test. |
| _dmerror_unmount || _fail "unmount failed" |
| _dmerror_load_working_table |
| _dmerror_mount || _fail "mount failed" |
| done |
| |
| # success, all done |
| status=0 |
| exit |