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Fix zpool_scrub_* test cases

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The zpool_scrub_002, zpool_scrub_003, zpool_scrub_004 test cases fail
reliably when running against small pools or fast storage.  This
occurs because the scrub/resilver operation completes before subsequent
commands can be run.

A one second delay has been added to 10% of zio's in order to ensure
the scrub/resilver operation will run for at least several seconds.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #4450
This commit is contained in:
Brian Behlendorf 2016-03-26 14:17:26 -07:00
parent 967798d04a
commit c35b188246
6 changed files with 29 additions and 5 deletions
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4
module/zfs/zio_inject.c
View File

@ -379,6 +379,10 @@ zio_handle_io_delay(zio_t *zio)
if (handler->zi_record.zi_cmd != ZINJECT_DELAY_IO)
continue;
if (handler->zi_record.zi_freq != 0 &&
spa_get_random(100) >= handler->zi_record.zi_freq);
continue;
if (vd->vdev_guid == handler->zi_record.zi_guid) {
seconds = handler->zi_record.zi_timer;
break;

2
scripts/zfs-tests.sh
View File

@ -165,7 +165,7 @@ OPTIONS:
-k Disable cleanup after test failure
-f Use files only, disables block device tests
-d DIR Use DIR for files and loopback devices
-s SIZE Use vdevs of SIZE (default: 4G)
-s SIZE Use vdevs of SIZE (default: 2G)
-r RUNFILE Run tests in RUNFILE (default: linux.run)
EXAMPLES:

6
tests/runfiles/linux.run
View File

@ -327,11 +327,9 @@ tests = ['zpool_remove_001_neg', 'zpool_remove_002_pos']
[tests/functional/cli_root/zpool_replace]
tests = ['zpool_replace_001_neg']
# DISABLED:
# zpool_scrub_004_pos - needs investigation
# zpool_scrub_005_pos - needs investigation
[tests/functional/cli_root/zpool_scrub]
tests = ['zpool_scrub_001_neg', 'zpool_scrub_002_pos', 'zpool_scrub_003_pos']
tests = ['zpool_scrub_001_neg', 'zpool_scrub_002_pos', 'zpool_scrub_003_pos',
'zpool_scrub_004_pos', 'zpool_scrub_005_pos']
[tests/functional/cli_root/zpool_set]
tests = ['zpool_set_001_pos', 'zpool_set_002_neg', 'zpool_set_003_neg']

8
tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_002_pos.ksh
View File

@ -26,6 +26,7 @@
#
. $STF_SUITE/include/libtest.shlib
. $STF_SUITE/tests/functional/cli_root/zpool_scrub/zpool_scrub.cfg
#
# DESCRIPTION:
@ -36,13 +37,20 @@
# 2. zpool scrub the pool
# 3. Verify zpool scrub -s succeed when the system is scrubbing.
#
# NOTES:
# A 1 second delay is added to 10% of zio's in order to ensure that
# the scrub does not complete before it has a chance to be cancelled.
# This can occur when testing with small pools or very fast hardware.
#
verify_runnable "global"
log_assert "Verify scrub -s works correctly."
log_must $ZINJECT -d $DISK1 -f10 -D1 $TESTPOOL
log_must $ZPOOL scrub $TESTPOOL
log_must $ZPOOL scrub -s $TESTPOOL
log_must is_pool_scrub_stopped $TESTPOOL
log_must $ZINJECT -c all
log_pass "Verify scrub -s works correctly."

8
tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_003_pos.ksh
View File

@ -26,6 +26,7 @@
#
. $STF_SUITE/include/libtest.shlib
. $STF_SUITE/tests/functional/cli_root/zpool_scrub/zpool_scrub.cfg
#
# DESCRIPTION:
@ -38,6 +39,11 @@
# 3. Check the completed percent and invoke another scrub
# 4. Check the percent again, verify a new scrub started.
#
# NOTES:
# A 1 second delay is added to 10% of zio's in order to ensure that
# the scrub does not complete before it has a chance to be restarted.
# This can occur when testing with small pools or very fast hardware.
#
verify_runnable "global"
@ -55,6 +61,7 @@ function get_scrub_percent
log_assert "scrub command terminates the existing scrub process and starts" \
"a new scrub."
log_must $ZINJECT -d $DISK1 -f10 -D1 $TESTPOOL
log_must $ZPOOL scrub $TESTPOOL
typeset -i PERCENT=30 percent=0
while ((percent < PERCENT)) ; do
@ -67,5 +74,6 @@ if ((percent > PERCENT)); then
log_fail "zpool scrub don't stop existing scrubbing process."
fi
log_must $ZINJECT -c all
log_pass "scrub command terminates the existing scrub process and starts" \
"a new scrub."

6
tests/zfs-tests/tests/functional/cli_root/zpool_scrub/zpool_scrub_004_pos.ksh
View File

@ -41,11 +41,16 @@
# 2. Detach one of devices
# 3. Verify scrub failed until the resilver completed
#
# NOTES:
# A 1 second delay is added to 10% of zio's in order to ensure that
# the resilver does not complete before the scrub can be issue. This
# can occur when testing with small pools or very fast hardware.
verify_runnable "global"
log_assert "Resilver prevent scrub from starting until the resilver completes"
log_must $ZINJECT -d $DISK1 -f10 -D1 $TESTPOOL
log_must $ZPOOL detach $TESTPOOL $DISK2
log_must $ZPOOL attach $TESTPOOL $DISK1 $DISK2
log_must is_pool_resilvering $TESTPOOL
@ -56,4 +61,5 @@ while ! is_pool_resilvered $TESTPOOL; do
$SLEEP 1
done
log_must $ZINJECT -c all
log_pass "Resilver prevent scrub from starting until the resilver completes"