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c3bd3fb4ac
Assertion failed in arc_buf_destroy() when concurrently reading block with checksum error. Porting notes: * The ability to zinject decompression errors has been added, but this only works at the zio_decompress() level, where we have all of the info we need to match against the user's zinject options. * The decompress_fault test has been added to test the new zinject functionality * We attempted to set zio_decompress_fail_fraction to (1 << 18) in ztest for further test coverage. Although this did uncover a few low priority issues, this unfortuantely also causes ztest to ASSERT in many locations where the code is working correctly since it is designed to fail on IO errors. Developers can manually set this variable with the '-o' option to find and debug issues. Authored by: Matt Ahrens <mahrens@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Paul Dagnelie <pcd@delphix.com> Reviewed by: Pavel Zakharov <pavel.zakharov@delphix.com> Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov> Approved by: Matt Ahrens <mahrens@delphix.com> Ported-by: Tom Caputi <tcaputi@datto.com> OpenZFS-issue: https://illumos.org/issues/9403 OpenZFS-commit: https://github.com/openzfs/openzfs/commit/fa98e487a9 Closes #7822
56 lines
1.6 KiB
Bash
Executable File
56 lines
1.6 KiB
Bash
Executable File
#!/bin/ksh -p
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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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#
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# Copyright (c) 2018 by Datto Inc.
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# All rights reserved.
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#
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. $STF_SUITE/include/libtest.shlib
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. $STF_SUITE/tests/functional/fault/fault.cfg
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#
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# DESCRIPTION:
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# Test that injected decompression errors are handled correctly.
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#
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# STRATEGY:
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# 1. Create an compressed dataset with a test file
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# 2. Inject decompression errors on the file 20% of the time
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# 3. Read the file to confirm that errors are handled correctly
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# 4. Confirm that the decompression injection was added to the ZED logs
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#
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log_assert "Testing that injected decompression errors are handled correctly"
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function cleanup
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{
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log_must set_tunable64 zfs_compressed_arc_enabled 1
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log_must zinject -c all
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default_cleanup_noexit
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}
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log_onexit cleanup
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default_mirror_setup_noexit $DISK1 $DISK2
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log_must set_tunable64 zfs_compressed_arc_enabled 0
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log_must zfs create -o compression=on $TESTPOOL/fs
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mntpt=$(get_prop mountpoint $TESTPOOL/fs)
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write_compressible $mntpt 32m 1 0 "testfile"
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log_must sync
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log_must zfs umount $TESTPOOL/fs
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log_must zfs mount $TESTPOOL/fs
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log_must zinject -a -t data -e decompress -f 20 $mntpt/testfile.0
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log_mustnot eval "cat $mntpt/testfile.0 > /dev/null"
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log_must eval "zpool events $TESTPOOL | grep -q 'data'"
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log_pass "Injected decompression errors are handled correctly"
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