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Make L2ARC tests more robust
Instead of relying on arbitrary timers after pool export/import or cache device off/online rely on arcstats. This makes the L2ARC tests more robust. Also cleanup some functions related to persistent L2ARC. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Adam Moss <c@yotes.com> Signed-off-by: George Amanakis <gamanakis@gmail.com> Closes #10983
This commit is contained in:
George Amanakis
GitHub
parent
4e84f67a96
commit
a76e4e6761
@ -969,7 +969,7 @@ static void l2arc_log_blk_fetch_abort(zio_t *zio);
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/* L2ARC persistence block restoration routines. */
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static void l2arc_log_blk_restore(l2arc_dev_t *dev,
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const l2arc_log_blk_phys_t *lb, uint64_t lb_asize, uint64_t lb_daddr);
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const l2arc_log_blk_phys_t *lb, uint64_t lb_asize);
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static void l2arc_hdr_restore(const l2arc_log_ent_phys_t *le,
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l2arc_dev_t *dev);
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@ -9505,8 +9505,6 @@ l2arc_rebuild_vdev(vdev_t *vd, boolean_t reopen)
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l2arc_dev_hdr_phys_t *l2dhdr;
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uint64_t l2dhdr_asize;
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spa_t *spa;
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int err;
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boolean_t l2dhdr_valid = B_TRUE;
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dev = l2arc_vdev_get(vd);
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ASSERT3P(dev, !=, NULL);
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@ -9535,10 +9533,7 @@ l2arc_rebuild_vdev(vdev_t *vd, boolean_t reopen)
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/*
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* Read the device header, if an error is returned do not rebuild L2ARC.
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*/
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if ((err = l2arc_dev_hdr_read(dev)) != 0)
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l2dhdr_valid = B_FALSE;
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if (l2dhdr_valid && dev->l2ad_log_entries > 0) {
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if (l2arc_dev_hdr_read(dev) == 0 && dev->l2ad_log_entries > 0) {
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/*
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* If we are onlining a cache device (vdev_reopen) that was
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* still present (l2arc_vdev_present()) and rebuild is enabled,
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@ -9838,7 +9833,7 @@ l2arc_rebuild(l2arc_dev_t *dev)
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* L2BLK_GET_PSIZE returns aligned size for log blocks.
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*/
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uint64_t asize = L2BLK_GET_PSIZE((&lbps[0])->lbp_prop);
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l2arc_log_blk_restore(dev, this_lb, asize, lbps[0].lbp_daddr);
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l2arc_log_blk_restore(dev, this_lb, asize);
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/*
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* log block restored, include its pointer in the list of
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@ -9985,7 +9980,7 @@ l2arc_dev_hdr_read(l2arc_dev_t *dev)
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err = zio_wait(zio_read_phys(NULL, dev->l2ad_vdev,
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VDEV_LABEL_START_SIZE, l2dhdr_asize, abd,
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ZIO_CHECKSUM_LABEL, NULL, NULL, ZIO_PRIORITY_ASYNC_READ,
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ZIO_CHECKSUM_LABEL, NULL, NULL, ZIO_PRIORITY_SYNC_READ,
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ZIO_FLAG_DONT_CACHE | ZIO_FLAG_CANFAIL |
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ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY |
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ZIO_FLAG_SPECULATIVE, B_FALSE));
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@ -10156,7 +10151,7 @@ cleanup:
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*/
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static void
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l2arc_log_blk_restore(l2arc_dev_t *dev, const l2arc_log_blk_phys_t *lb,
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uint64_t lb_asize, uint64_t lb_daddr)
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uint64_t lb_asize)
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{
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uint64_t size = 0, asize = 0;
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uint64_t log_entries = dev->l2ad_log_entries;
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@ -4173,6 +4173,45 @@ function get_arcstat # stat
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esac
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}
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#
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# Wait for the specified arcstat to reach non-zero quiescence.
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# If echo is 1 echo the value after reaching quiescence, otherwise
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# if echo is 0 print the arcstat we are waiting on.
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#
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function arcstat_quiescence # stat echo
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{
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typeset stat=$1
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typeset echo=$2
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typeset do_once=true
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if [[ $echo -eq 0 ]]; then
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echo "Waiting for arcstat $1 quiescence."
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fi
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while $do_once || [ $stat1 -ne $stat2 ] || [ $stat2 -eq 0 ]; do
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typeset stat1=$(get_arcstat $stat)
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sleep 2
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typeset stat2=$(get_arcstat $stat)
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do_once=false
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done
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if [[ $echo -eq 1 ]]; then
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echo $stat2
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fi
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}
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function arcstat_quiescence_noecho # stat
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{
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typeset stat=$1
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arcstat_quiescence $stat 0
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}
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function arcstat_quiescence_echo # stat
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{
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typeset stat=$1
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arcstat_quiescence $stat 1
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}
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#
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# Given an array of pids, wait until all processes
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# have completed and check their return status.
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@ -59,6 +59,7 @@ MULTIHOST_HISTORY multihost.history zfs_multihost_history
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MULTIHOST_IMPORT_INTERVALS multihost.import_intervals zfs_multihost_import_intervals
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MULTIHOST_INTERVAL multihost.interval zfs_multihost_interval
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OVERRIDE_ESTIMATE_RECORDSIZE send.override_estimate_recordsize zfs_override_estimate_recordsize
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PREFETCH_DISABLE prefetch.disable zfs_prefetch_disable
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REMOVAL_SUSPEND_PROGRESS removal_suspend_progress zfs_removal_suspend_progress
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REMOVE_MAX_SEGMENT remove_max_segment zfs_remove_max_segment
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RESILVER_MIN_TIME_MS resilver_min_time_ms zfs_resilver_min_time_ms
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@ -62,27 +62,35 @@ export FILE_SIZE=$(( floor($fill_mb / $NUMJOBS) ))M
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log_must truncate -s ${cache_sz}M $VDEV_CACHE
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typeset log_blk_start=$(get_arcstat l2_log_blk_writes)
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log_must zpool create -f $TESTPOOL $VDEV cache $VDEV_CACHE
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log_must fio $FIO_SCRIPTS/mkfiles.fio
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log_must fio $FIO_SCRIPTS/random_reads.fio
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arcstat_quiescence_noecho l2_size
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log_must zpool offline $TESTPOOL $VDEV_CACHE
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arcstat_quiescence_noecho l2_size
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typeset l2_mfu_init=$(get_arcstat l2_mfu_asize)
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typeset l2_mru_init=$(get_arcstat l2_mru_asize)
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typeset l2_prefetch_init=$(get_arcstat l2_prefetch_asize)
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typeset l2_asize_init=$(get_arcstat l2_asize)
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log_must zpool online $TESTPOOL $VDEV_CACHE
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log_must zpool online $TESTPOOL $VDEV_CACHE
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arcstat_quiescence_noecho l2_size
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log_must zpool export $TESTPOOL
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arcstat_quiescence_noecho l2_feeds
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log_must test $(get_arcstat l2_mfu_asize) -eq 0
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log_must test $(get_arcstat l2_mru_asize) -eq 0
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log_must zpool import -d $VDIR $TESTPOOL
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arcstat_quiescence_noecho l2_size
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log_must fio $FIO_SCRIPTS/random_reads.fio
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arcstat_quiescence_noecho l2_size
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log_must zpool offline $TESTPOOL $VDEV_CACHE
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arcstat_quiescence_noecho l2_size
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typeset l2_mfu_end=$(get_arcstat l2_mfu_asize)
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typeset l2_mru_end=$(get_arcstat l2_mru_asize)
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typeset l2_prefetch_end=$(get_arcstat l2_prefetch_asize)
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@ -49,6 +49,7 @@ function cleanup
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log_must set_tunable32 L2ARC_NOPREFETCH $noprefetch
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log_must set_tunable32 L2ARC_MFUONLY $mfuonly
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log_must set_tunable32 PREFETCH_DISABLE $zfsprefetch
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}
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log_onexit cleanup
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@ -60,6 +61,9 @@ log_must set_tunable32 L2ARC_NOPREFETCH 1
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typeset mfuonly=$(get_tunable L2ARC_MFUONLY)
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log_must set_tunable32 L2ARC_MFUONLY 1
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typeset zfsprefetch=$(get_tunable PREFETCH_DISABLE)
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log_must set_tunable32 PREFETCH_DISABLE 1
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typeset fill_mb=800
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typeset cache_sz=$(( 1.4 * $fill_mb ))
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export FILE_SIZE=$(( floor($fill_mb / $NUMJOBS) ))M
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@ -75,6 +79,14 @@ log_must fio $FIO_SCRIPTS/random_reads.fio
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log_must zpool export $TESTPOOL
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log_must zpool import -d $VDIR $TESTPOOL
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# Regardless of l2arc_noprefetch, some MFU buffers might be evicted
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# from ARC, accessed later on as prefetches and transition to MRU as
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# prefetches.
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# If accessed again they are counted as MRU and the l2arc_mru_asize arcstat
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# will not be 0 (mentioned also in zfs-module-parameters.5)
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# For the purposes of this test we mitigate this by disabling (predictive)
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# ZFS prefetches with zfs_prefetch_disable=1.
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log_must test $(get_arcstat l2_mru_asize) -eq 0
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log_must zpool destroy -f $TESTPOOL
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@ -34,7 +34,7 @@
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# L2ARC device.
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# 6. Import pool.
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# 7. Read the amount of log blocks rebuilt in arcstats and compare to
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# (4).
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# (5).
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# 8. Check if the labels of the L2ARC device are intact.
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#
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# * We can predict the minimum bytes of L2ARC restored if we subtract
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@ -83,7 +83,9 @@ log_must zpool import -d $VDIR $TESTPOOL
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log_must fio $FIO_SCRIPTS/mkfiles.fio
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log_must fio $FIO_SCRIPTS/random_reads.fio
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arcstat_quiescence_noecho l2_size
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log_must zpool export $TESTPOOL
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arcstat_quiescence_noecho l2_feeds
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typeset l2_dh_log_blk=$(zdb -l $VDEV_CACHE | grep log_blk_count | \
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awk '{print $2}')
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@ -91,15 +93,18 @@ typeset l2_dh_log_blk=$(zdb -l $VDEV_CACHE | grep log_blk_count | \
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typeset l2_rebuild_log_blk_start=$(get_arcstat l2_rebuild_log_blks)
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log_must zpool import -d $VDIR $TESTPOOL
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arcstat_quiescence_noecho l2_size
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sleep 2
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typeset l2_rebuild_log_blk_end=$(arcstat_quiescence_echo l2_rebuild_log_blks)
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typeset l2_rebuild_log_blk_end=$(get_arcstat l2_rebuild_log_blks)
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log_must test $l2_dh_log_blk -eq $(( $l2_rebuild_log_blk_end - $l2_rebuild_log_blk_start ))
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log_must test $l2_dh_log_blk -eq $(( $l2_rebuild_log_blk_end -
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$l2_rebuild_log_blk_start ))
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log_must test $l2_dh_log_blk -gt 0
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log_must zdb -lll $VDEV_CACHE
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log_must zpool offline $TESTPOOL $VDEV_CACHE
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arcstat_quiescence_noecho l2_size
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log_must zdb -lllq $VDEV_CACHE
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log_must zpool destroy -f $TESTPOOL
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@ -86,9 +86,9 @@ log_must eval "echo $PASSPHRASE | zfs create -o encryption=on" \
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log_must fio $FIO_SCRIPTS/mkfiles.fio
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log_must fio $FIO_SCRIPTS/random_reads.fio
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arcstat_quiescence_noecho l2_size
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log_must zpool export $TESTPOOL
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sleep 2
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arcstat_quiescence_noecho l2_feeds
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typeset l2_dh_log_blk=$(zdb -l $VDEV_CACHE | grep log_blk_count | \
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awk '{print $2}')
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@ -97,14 +97,17 @@ typeset l2_rebuild_log_blk_start=$(get_arcstat l2_rebuild_log_blks)
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log_must zpool import -d $VDIR $TESTPOOL
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log_must eval "echo $PASSPHRASE | zfs mount -l $TESTPOOL/$TESTFS1"
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arcstat_quiescence_noecho l2_size
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sleep 2
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typeset l2_rebuild_log_blk_end=$(arcstat_quiescence_echo l2_rebuild_log_blks)
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typeset l2_rebuild_log_blk_end=$(get_arcstat l2_rebuild_log_blks)
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log_must test $l2_dh_log_blk -eq $(( $l2_rebuild_log_blk_end - $l2_rebuild_log_blk_start ))
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log_must test $l2_dh_log_blk -eq $(( $l2_rebuild_log_blk_end - \
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$l2_rebuild_log_blk_start ))
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log_must test $l2_dh_log_blk -gt 0
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log_must zpool offline $TESTPOOL $VDEV_CACHE
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arcstat_quiescence_noecho l2_size
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log_must zdb -lq $VDEV_CACHE
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log_must zpool destroy -f $TESTPOOL
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@ -32,7 +32,7 @@
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# 4. Export pool.
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# 5. Import pool.
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# 6. Check in zpool iostat if the cache device has space allocated.
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# 7. Read the file written in (2) and check if l2_hits in
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# 7. Read the file written in (3) and check if l2_hits in
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# /proc/spl/kstat/zfs/arcstats increased.
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#
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@ -33,7 +33,7 @@
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# 4. Read amount of log blocks written.
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# 5. Import pool.
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# 6. Read amount of log blocks built.
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# 7. Compare the two amounts
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# 7. Compare the two amounts.
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# 8. Read the file written in (2) and check if l2_hits in
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# /proc/spl/kstat/zfs/arcstats increased.
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# 9. Check if the labels of the L2ARC device are intact.
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@ -70,12 +70,11 @@ log_must zpool create -f $TESTPOOL $VDEV cache $VDEV_CACHE
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log_must fio $FIO_SCRIPTS/mkfiles.fio
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log_must fio $FIO_SCRIPTS/random_reads.fio
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arcstat_quiescence_noecho l2_size
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log_must zpool export $TESTPOOL
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sleep 2
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arcstat_quiescence_noecho l2_feeds
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typeset log_blk_end=$(get_arcstat l2_log_blk_writes)
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typeset log_blk_rebuild_start=$(get_arcstat l2_rebuild_log_blks)
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log_must zpool import -d $VDIR $TESTPOOL
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@ -83,16 +82,19 @@ log_must zpool import -d $VDIR $TESTPOOL
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typeset l2_hits_start=$(get_arcstat l2_hits)
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log_must fio $FIO_SCRIPTS/random_reads.fio
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arcstat_quiescence_noecho l2_size
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typeset log_blk_rebuild_end=$(arcstat_quiescence_echo l2_rebuild_log_blks)
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typeset l2_hits_end=$(get_arcstat l2_hits)
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typeset log_blk_rebuild_end=$(get_arcstat l2_rebuild_log_blks)
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log_must test $(( $log_blk_rebuild_end - $log_blk_rebuild_start )) -eq \
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$(( $log_blk_end - $log_blk_start ))
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log_must test $l2_hits_end -gt $l2_hits_start
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log_must zpool offline $TESTPOOL $VDEV_CACHE
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arcstat_quiescence_noecho l2_size
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log_must zdb -lq $VDEV_CACHE
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log_must zpool destroy -f $TESTPOOL
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@ -36,7 +36,7 @@
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# 6. Import pool.
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# 7. Mount the encrypted ZFS file system.
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# 8. Read amount of log blocks built.
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# 9. Compare the two amounts
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# 9. Compare the two amounts.
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# 10. Read the file written in (3) and check if l2_hits in
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# /proc/spl/kstat/zfs/arcstats increased.
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# 11. Check if the labels of the L2ARC device are intact.
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@ -76,12 +76,11 @@ log_must eval "echo $PASSPHRASE | zfs create -o encryption=on" \
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log_must fio $FIO_SCRIPTS/mkfiles.fio
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log_must fio $FIO_SCRIPTS/random_reads.fio
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arcstat_quiescence_noecho l2_size
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log_must zpool export $TESTPOOL
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sleep 2
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arcstat_quiescence_noecho l2_feeds
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typeset log_blk_end=$(get_arcstat l2_log_blk_writes)
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typeset log_blk_rebuild_start=$(get_arcstat l2_rebuild_log_blks)
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log_must zpool import -d $VDIR $TESTPOOL
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@ -90,16 +89,19 @@ log_must eval "echo $PASSPHRASE | zfs mount -l $TESTPOOL/$TESTFS1"
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typeset l2_hits_start=$(get_arcstat l2_hits)
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log_must fio $FIO_SCRIPTS/random_reads.fio
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arcstat_quiescence_noecho l2_size
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typeset log_blk_rebuild_end=$(arcstat_quiescence_echo l2_rebuild_log_blks)
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typeset l2_hits_end=$(get_arcstat l2_hits)
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typeset log_blk_rebuild_end=$(get_arcstat l2_rebuild_log_blks)
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log_must test $(( $log_blk_rebuild_end - $log_blk_rebuild_start )) -eq \
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$(( $log_blk_end - $log_blk_start ))
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log_must test $l2_hits_end -gt $l2_hits_start
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log_must zpool offline $TESTPOOL $VDEV_CACHE
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arcstat_quiescence_noecho l2_size
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log_must zdb -lq $VDEV_CACHE
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log_must zpool destroy -f $TESTPOOL
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@ -71,26 +71,29 @@ log_must zpool create -f $TESTPOOL $VDEV cache $VDEV_CACHE
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log_must fio $FIO_SCRIPTS/mkfiles.fio
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log_must fio $FIO_SCRIPTS/random_reads.fio
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arcstat_quiescence_noecho l2_size
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log_must zpool offline $TESTPOOL $VDEV_CACHE
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arcstat_quiescence_noecho l2_size
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log_must zpool export $TESTPOOL
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sleep 5
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arcstat_quiescence_noecho l2_feeds
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typeset l2_rebuild_log_blk_start=$(get_arcstat l2_rebuild_log_blks)
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typeset l2_dh_log_blk=$(zdb -l $VDEV_CACHE | grep log_blk_count | \
|
||||
awk '{print $2}')
|
||||
|
||||
log_must zpool import -d $VDIR $TESTPOOL
|
||||
log_must zpool online $TESTPOOL $VDEV_CACHE
|
||||
arcstat_quiescence_noecho l2_size
|
||||
|
||||
sleep 5
|
||||
typeset l2_rebuild_log_blk_end=$(arcstat_quiescence_echo l2_rebuild_log_blks)
|
||||
|
||||
typeset l2_rebuild_log_blk_end=$(get_arcstat l2_rebuild_log_blks)
|
||||
|
||||
log_must test $l2_dh_log_blk -eq $(( $l2_rebuild_log_blk_end - $l2_rebuild_log_blk_start ))
|
||||
log_must test $l2_dh_log_blk -eq $(( $l2_rebuild_log_blk_end - \
|
||||
$l2_rebuild_log_blk_start ))
|
||||
log_must test $l2_dh_log_blk -gt 0
|
||||
|
||||
log must zpool offline $TESTPOOL $VDEV_CACHE
|
||||
arcstat_quiescence_noecho l2_size
|
||||
|
||||
log_must zdb -lq $VDEV_CACHE
|
||||
|
||||
log_must zpool destroy -f $TESTPOOL
|
||||
|
||||
@ -28,12 +28,12 @@
|
||||
# STRATEGY:
|
||||
# 1. Create pool with a cache device.
|
||||
# 2. Create a random file in that pool and random read for 10 sec.
|
||||
# 3. Read the amount of log blocks written from the header of the
|
||||
# 3. Offline the L2ARC device.
|
||||
# 4. Read the amount of log blocks written from the header of the
|
||||
# L2ARC device.
|
||||
# 4. Offline the L2ARC device.
|
||||
# 5. Online the L2ARC device.
|
||||
# 6. Read the amount of log blocks rebuilt in arcstats and compare to
|
||||
# (3).
|
||||
# (4).
|
||||
# 7. Check if the labels of the L2ARC device are intact.
|
||||
#
|
||||
|
||||
@ -70,24 +70,26 @@ log_must zpool create -f $TESTPOOL $VDEV cache $VDEV_CACHE
|
||||
log_must fio $FIO_SCRIPTS/mkfiles.fio
|
||||
log_must fio $FIO_SCRIPTS/random_reads.fio
|
||||
|
||||
arcstat_quiescence_noecho l2_size
|
||||
log_must zpool offline $TESTPOOL $VDEV_CACHE
|
||||
|
||||
sleep 10
|
||||
arcstat_quiescence_noecho l2_size
|
||||
|
||||
typeset l2_rebuild_log_blk_start=$(get_arcstat l2_rebuild_log_blks)
|
||||
|
||||
typeset l2_dh_log_blk=$(zdb -l $VDEV_CACHE | grep log_blk_count | \
|
||||
awk '{print $2}')
|
||||
|
||||
log_must zpool online $TESTPOOL $VDEV_CACHE
|
||||
arcstat_quiescence_noecho l2_size
|
||||
|
||||
sleep 10
|
||||
typeset l2_rebuild_log_blk_end=$(arcstat_quiescence_echo l2_rebuild_log_blks)
|
||||
|
||||
typeset l2_rebuild_log_blk_end=$(get_arcstat l2_rebuild_log_blks)
|
||||
|
||||
log_must test $l2_dh_log_blk -eq $(( $l2_rebuild_log_blk_end - $l2_rebuild_log_blk_start ))
|
||||
log_must test $l2_dh_log_blk -eq $(( $l2_rebuild_log_blk_end - \
|
||||
$l2_rebuild_log_blk_start ))
|
||||
log_must test $l2_dh_log_blk -gt 0
|
||||
|
||||
log_must zpool offline $TESTPOOL $VDEV_CACHE
|
||||
arcstat_quiescence_noecho l2_size
|
||||
|
||||
log_must zdb -lq $VDEV_CACHE
|
||||
|
||||
log_must zpool destroy -f $TESTPOOL
|
||||
|
||||
@ -40,7 +40,7 @@
|
||||
# 9. Offline the L2ARC device.
|
||||
# 10. Online the L2ARC device.
|
||||
# 11. Read the amount of log blocks rebuilt in arcstats and compare to
|
||||
# (7).
|
||||
# (8).
|
||||
# 12. Check if the amount of log blocks on the cache device has
|
||||
# increased.
|
||||
# 13. Export the pool.
|
||||
@ -80,62 +80,62 @@ log_must zpool create -f $TESTPOOL $VDEV cache $VDEV_CACHE
|
||||
log_must fio $FIO_SCRIPTS/mkfiles.fio
|
||||
log_must fio $FIO_SCRIPTS/random_reads.fio
|
||||
|
||||
arcstat_quiescence_noecho l2_size
|
||||
log_must zpool offline $TESTPOOL $VDEV_CACHE
|
||||
|
||||
sleep 2
|
||||
arcstat_quiescence_noecho l2_size
|
||||
|
||||
typeset l2_dh_log_blk1=$(zdb -l $VDEV_CACHE | grep log_blk_count | \
|
||||
awk '{print $2}')
|
||||
|
||||
typeset l2_rebuild_log_blk_start=$(get_arcstat l2_rebuild_log_blks)
|
||||
|
||||
log_must zpool online $TESTPOOL $VDEV_CACHE
|
||||
arcstat_quiescence_noecho l2_size
|
||||
|
||||
sleep 5
|
||||
typeset l2_rebuild_log_blk_end=$(arcstat_quiescence_echo l2_rebuild_log_blks)
|
||||
|
||||
typeset l2_rebuild_log_blk_end=$(get_arcstat l2_rebuild_log_blks)
|
||||
|
||||
log_must test $l2_dh_log_blk1 -eq $(( $l2_rebuild_log_blk_end - $l2_rebuild_log_blk_start ))
|
||||
log_must test $l2_dh_log_blk1 -eq $(( $l2_rebuild_log_blk_end - \
|
||||
$l2_rebuild_log_blk_start ))
|
||||
log_must test $l2_dh_log_blk1 -gt 0
|
||||
|
||||
log_must fio $FIO_SCRIPTS/mkfiles.fio
|
||||
log_must fio $FIO_SCRIPTS/random_reads.fio
|
||||
|
||||
arcstat_quiescence_noecho l2_size
|
||||
log_must zpool offline $TESTPOOL $VDEV_CACHE
|
||||
|
||||
sleep 2
|
||||
arcstat_quiescence_noecho l2_size
|
||||
|
||||
typeset l2_dh_log_blk2=$(zdb -l $VDEV_CACHE | grep log_blk_count | \
|
||||
awk '{print $2}')
|
||||
|
||||
typeset l2_rebuild_log_blk_start=$(get_arcstat l2_rebuild_log_blks)
|
||||
|
||||
log_must zpool online $TESTPOOL $VDEV_CACHE
|
||||
arcstat_quiescence_noecho l2_size
|
||||
|
||||
sleep 5
|
||||
|
||||
typeset l2_rebuild_log_blk_end=$(get_arcstat l2_rebuild_log_blks)
|
||||
|
||||
log_must test $l2_dh_log_blk2 -eq $(( $l2_rebuild_log_blk_end - $l2_rebuild_log_blk_start ))
|
||||
typeset l2_rebuild_log_blk_end=$(arcstat_quiescence_echo l2_rebuild_log_blks)
|
||||
|
||||
log_must test $l2_dh_log_blk2 -eq $(( $l2_rebuild_log_blk_end - \
|
||||
$l2_rebuild_log_blk_start ))
|
||||
log_must test $l2_dh_log_blk2 -gt $l2_dh_log_blk1
|
||||
|
||||
log_must zpool export $TESTPOOL
|
||||
arcstat_quiescence_noecho l2_feeds
|
||||
|
||||
typeset l2_dh_log_blk3=$(zdb -l $VDEV_CACHE | grep log_blk_count | \
|
||||
awk '{print $2}')
|
||||
|
||||
typeset l2_rebuild_log_blk_start=$(get_arcstat l2_rebuild_log_blks)
|
||||
|
||||
log_must zpool import -d $VDIR $TESTPOOL
|
||||
arcstat_quiescence_noecho l2_size
|
||||
|
||||
sleep 5
|
||||
typeset l2_rebuild_log_blk_end=$(arcstat_quiescence_echo l2_rebuild_log_blks)
|
||||
|
||||
typeset l2_rebuild_log_blk_end=$(get_arcstat l2_rebuild_log_blks)
|
||||
|
||||
log_must test $l2_dh_log_blk3 -eq $(( $l2_rebuild_log_blk_end - $l2_rebuild_log_blk_start ))
|
||||
log_must test $l2_dh_log_blk3 -eq $(( $l2_rebuild_log_blk_end - \
|
||||
$l2_rebuild_log_blk_start ))
|
||||
log_must test $l2_dh_log_blk3 -gt 0
|
||||
|
||||
log must zpool offline $TESTPOOL $VDEV_CACHE
|
||||
arcstat_quiescence_noecho l2_size
|
||||
|
||||
log_must zdb -lq $VDEV_CACHE
|
||||
|
||||
log_must zpool destroy -f $TESTPOOL
|
||||
|
||||
Loading…
Reference in New Issue
Block a user