113 lines
3.3 KiB
Bash
Executable File
113 lines
3.3 KiB
Bash
Executable File
#!/bin/ksh -p
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#
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# CDDL HEADER START
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#
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# This file and its contents are supplied under the terms of the
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# Common Development and Distribution License ("CDDL"), version 1.0.
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# You may only use this file in accordance with the terms of version
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# 1.0 of the CDDL.
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#
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# A full copy of the text of the CDDL should have accompanied this
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# source. A copy of the CDDL is also available via the Internet at
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# http://www.illumos.org/license/CDDL.
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#
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# CDDL HEADER END
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#
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#
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# Copyright (c) 2020, George Amanakis. All rights reserved.
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#
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. $STF_SUITE/include/libtest.shlib
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. $STF_SUITE/tests/functional/l2arc/l2arc.cfg
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. $STF_SUITE/tests/functional/cli_root/zfs_load-key/zfs_load-key_common.kshlib
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#
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# DESCRIPTION:
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# Persistent L2ARC with an encrypted ZFS file system succeeds
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#
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# STRATEGY:
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# 1. Create pool with a cache device.
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# 2. Create a an encrypted ZFS file system.
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# 3. Create a random file in the encrypted file system and random
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# read for 10 sec.
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# 4. Export pool.
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# 5. Read the amount of log blocks written from the header of the
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# L2ARC device.
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# 5. Import pool.
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# 6. Mount the encrypted ZFS file system.
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# 7. Read the amount of log blocks rebuilt in arcstats and compare to
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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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# from the effective size of the cache device the bytes l2arc_evict()
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# evicts:
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# l2: L2ARC device size - VDEV_LABEL_START_SIZE - l2ad_dev_hdr_asize
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# wr_sz: l2arc_write_max + l2arc_write_boost (worst case)
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# blk_overhead: wr_sz / SPA_MINBLOCKSIZE / (l2 / SPA_MAXBLOCKSIZE) *
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# sizeof (l2arc_log_blk_phys_t)
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# min restored size: l2 - (wr_sz + blk_overhead)
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#
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verify_runnable "global"
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log_assert "Persistent L2ARC with an encrypted ZFS file system succeeds."
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function cleanup
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{
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if poolexists $TESTPOOL ; then
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destroy_pool $TESTPOOL
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fi
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log_must set_tunable32 L2ARC_NOPREFETCH $noprefetch
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log_must set_tunable32 L2ARC_REBUILD_BLOCKS_MIN_L2SIZE \
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$rebuild_blocks_min_l2size
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}
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log_onexit cleanup
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# L2ARC_NOPREFETCH is set to 0 to let L2ARC handle prefetches
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typeset noprefetch=$(get_tunable L2ARC_NOPREFETCH)
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typeset rebuild_blocks_min_l2size=$(get_tunable L2ARC_REBUILD_BLOCKS_MIN_L2SIZE)
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log_must set_tunable32 L2ARC_NOPREFETCH 0
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log_must set_tunable32 L2ARC_REBUILD_BLOCKS_MIN_L2SIZE 0
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typeset fill_mb=800
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typeset cache_sz=$(( floor($fill_mb / 2) ))
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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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log_must zpool create -f $TESTPOOL $VDEV cache $VDEV_CACHE
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log_must eval "echo $PASSPHRASE | zfs create -o encryption=on" \
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"-o keyformat=passphrase $TESTPOOL/$TESTFS1"
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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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log_must zpool export $TESTPOOL
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sleep 2
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typeset l2_dh_log_blk=$(zdb -l $VDEV_CACHE | grep log_blk_count | \
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awk '{print $2}')
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typeset l2_rebuild_log_blk_start=$(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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sleep 2
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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 -gt 0
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log_must zdb -lq $VDEV_CACHE
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log_must zpool destroy -f $TESTPOOL
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log_pass "Persistent L2ARC with an encrypted ZFS file system succeeds."
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