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1a504d27df
Create a larger file to extend the time required to perform the removal. Occasional failures were observed due to the removal completing before the cancel could be requested. Reviewed-by: George Melikov <mail@gmelikov.ru> Reviewed-by: John Kennedy <john.kennedy@delphix.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Igor Kozhukhov <igor@dilos.org> Closes #9259
100 lines
2.0 KiB
Bash
Executable File
100 lines
2.0 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) 2018 by Delphix. All rights reserved.
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#
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. $STF_SUITE/include/libtest.shlib
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. $STF_SUITE/tests/functional/removal/removal.kshlib
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#
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# DESCRIPTION:
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#
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# Ensure that cancelling a removal midway does not cause any
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# issues like cause a panic.
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#
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# STRATEGY:
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#
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# 1. Create a pool with one vdev and do some writes on it.
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# 2. Add a new vdev to the pool and start the removal of
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# the first vdev.
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# 3. Cancel the removal after some segments have been copied
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# over to the new vdev.
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# 4. Run zdb to ensure the on-disk state of the pool is ok.
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#
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function cleanup
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{
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#
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# Reset tunable.
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#
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log_must set_tunable32 zfs_removal_suspend_progress 0
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}
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log_onexit cleanup
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SAMPLEFILE=/$TESTDIR/00
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#
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# Create pool with one disk.
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#
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log_must default_setup_noexit "$REMOVEDISK"
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#
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# Create a file of size 1GB and then do some random writes.
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# Since randwritecomp does 8K writes we do 25000 writes
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# which means we write ~200MB to the vdev.
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#
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log_must mkfile -n 1g $SAMPLEFILE
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log_must randwritecomp $SAMPLEFILE 25000
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#
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# Add second device where all the data will be evacuated.
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#
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log_must zpool add -f $TESTPOOL $NOTREMOVEDISK
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#
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# Start removal.
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#
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log_must zpool remove $TESTPOOL $REMOVEDISK
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#
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# Sleep a bit and hopefully allow removal to copy some data.
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#
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log_must sleep 1
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#
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# Block removal.
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#
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log_must set_tunable32 zfs_removal_suspend_progress 1
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#
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# Only for debugging purposes in test logs.
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#
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log_must zpool status $TESTPOOL
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#
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# Cancel removal.
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#
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log_must zpool remove -s $TESTPOOL
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#
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# Verify on-disk state.
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#
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log_must zdb $TESTPOOL
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log_pass "Device removal thread cancelled successfully."
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