2 # FSQA Test No. generic/019
4 # Run fsstress and fio(dio/aio and mmap) and simulate disk failure
5 # check filesystem consistency at the end.
7 #-----------------------------------------------------------------------
8 # (c) 2013 Dmitry Monakhov
10 # This program is free software; you can redistribute it and/or
11 # modify it under the terms of the GNU General Public License as
12 # published by the Free Software Foundation.
14 # This program is distributed in the hope that it would be useful,
15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 # GNU General Public License for more details.
19 # You should have received a copy of the GNU General Public License
20 # along with this program; if not, write the Free Software Foundation,
21 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
23 #-----------------------------------------------------------------------
27 seqres=$RESULT_DIR/$seq
28 echo "QA output created by $seq"
33 status=1 # failure is the default!
35 # get standard environment, filters and checks
42 _require_fail_make_request
44 SYSFS_BDEV=`_sysfs_dev $SCRATCH_DEV`
46 allow_fail_make_request()
48 echo "Allow global fail_make_request feature"
49 echo 100 > $DEBUGFS_MNT/fail_make_request/probability
50 echo 9999999 > $DEBUGFS_MNT/fail_make_request/times
51 echo 0 > /sys/kernel/debug/fail_make_request/verbose
54 disallow_fail_make_request()
56 echo "Disallow global fail_make_request feature"
57 echo 0 > $DEBUGFS_MNT/fail_make_request/probability
58 echo 0 > $DEBUGFS_MNT/fail_make_request/times
61 start_fail_scratch_dev()
63 echo "Force SCRATCH_DEV device failure"
64 echo " echo 1 > $SYSFS_BDEV/make-it-fail" >> $seqres.full
65 echo 1 > $SYSFS_BDEV/make-it-fail
68 stop_fail_scratch_dev()
70 echo "Make SCRATCH_DEV device operable again"
71 echo " echo 0 > $SYSFS_BDEV/make-it-fail" >> $seqres.full
72 echo 0 > $SYSFS_BDEV/make-it-fail
78 disallow_fail_make_request
81 trap "_cleanup; exit \$status" 1 2 3 15
83 RUN_TIME=$((20+10*$TIME_FACTOR))
84 NUM_JOBS=$((4*LOAD_FACTOR))
85 BLK_DEV_SIZE=`blockdev --getsz $SCRATCH_DEV`
86 FILE_SIZE=$((BLK_DEV_SIZE * 512))
88 cat >$fio_config <<EOF
90 # $seq test's fio activity
91 # Filenames derived from jobsname and jobid like follows:
92 # ${JOB_NAME}.${JOB_ID}.${ITERATION_ID}
96 directory=${SCRATCH_MNT}
99 continue_on_error=write
100 ignore_error=EIO,ENOSPC:EIO
103 [stress_dio_aio_activity]
106 iodepth=128*${LOAD_FACTOR}
111 runtime=40+${RUN_TIME}
114 [stress_mmap_activity]
123 runtime=40+${RUN_TIME}
128 _require_fio $fio_config
130 # Disable all sync operations to get higher load
131 FSSTRESS_AVOID="$FSSTRESS_AVOID -ffsync=0 -fsync=0 -ffdatasync=0 -f setattr=1"
135 out=$SCRATCH_MNT/fsstress.$$
136 args=`_scale_fsstress_args -p 1 -n999999999 -f setattr=0 $FSSTRESS_AVOID -d $out`
138 echo "Start fsstress.."
140 echo "fsstress $args" >> $seqres.full
141 $FSSTRESS_PROG $args > /dev/null 2>&1 &
144 cat $fio_config >> $seqres.full
145 $FIO_PROG $fio_config >> $seqres.full 2>&1 &
148 # Let's it work for awhile, and force device failure
150 start_fail_scratch_dev
151 # After device turns in to failed state filesystem may yet not know about
152 # that so buffered write(2) may succeed, but any integrity operations
153 # such as (sync, fsync, fdatasync, direct-io) should fail.
154 dd if=/dev/zero of=$SCRATCH_MNT/touch_failed_filesystem count=1 bs=4k conv=fsync \
155 >> $seqres.full 2>&1 && \
156 _fail "failed: still able to perform integrity fsync on $SCRATCH_MNT"
162 # We expect that broken FS still can be umounted
163 run_check _scratch_unmount
164 # Once filesystem was umounted no one is able to write to block device
165 # It is now safe to bring device back to normal state
166 stop_fail_scratch_dev
168 # In order to check that filesystem is able to recover journal on mount(2)
169 # perform mount/umount, after that all errors should be fixed
170 run_check _scratch_mount
171 run_check _scratch_unmount
174 # real QA test starts here
177 _scratch_mkfs >> $seqres.full 2>&1 || _fail "mkfs failed"
178 _scratch_mount || _fail "mount failed"
179 allow_fail_make_request
182 disallow_fail_make_request