88 lines
2.8 KiB
Bash
Executable File
88 lines
2.8 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) 2019 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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. $STF_SUITE/tests/functional/nopwrite/nopwrite.shlib
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default_setup_noexit "$DISKS"
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log_onexit default_cleanup_noexit
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BLOCKSIZE=8192
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origin="$TESTPOOL/$TESTFS"
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log_must zfs set compress=on $origin
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log_must zfs set checksum=skein $origin
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log_must zfs set recordsize=8k $origin
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dd if=/dev/urandom of=$TESTDIR/file_8k bs=1024k count=$MEGS oflag=sync \
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conv=notrunc >/dev/null 2>&1 || log_fail "dd into $TESTDIR/file failed."
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log_must zfs set recordsize=128k $origin
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dd if=/dev/urandom of=$TESTDIR/file_128k bs=1024k count=$MEGS oflag=sync \
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conv=notrunc >/dev/null 2>&1 || log_fail "dd into $TESTDIR/file failed."
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zfs snapshot $origin@a || log_fail "zfs snap failed"
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log_must zfs clone $origin@a $origin/clone
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#
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# Verify that nopwrites work prior to removal
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#
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log_must zfs set recordsize=8k $origin/clone
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dd if=/$TESTDIR/file_8k of=/$TESTDIR/clone/file_8k bs=1024k \
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oflag=sync conv=notrunc >/dev/null 2>&1 || log_fail "dd failed."
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log_must verify_nopwrite $origin $origin@a $origin/clone
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log_must zfs set recordsize=128k $origin/clone
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dd if=/$TESTDIR/file_128k of=/$TESTDIR/clone/file_128k bs=1024k \
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oflag=sync conv=notrunc >/dev/null 2>&1 || log_fail "dd failed."
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log_must verify_nopwrite $origin $origin@a $origin/clone
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#
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# Remove a device before testing nopwrites again
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#
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log_must zpool remove $TESTPOOL $REMOVEDISK
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log_must wait_for_removal $TESTPOOL
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log_mustnot vdevs_in_pool $TESTPOOL $REMOVEDISK
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#
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# Normally, we expect nopwrites to avoid allocating new blocks, but
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# after a device has been removed the DVAs will get remapped when
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# a L0's indirect block is written. This will negate the effects
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# of nopwrite and should result in new allocations.
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#
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#
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# Perform a direct zil nopwrite test
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#
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log_must zfs set recordsize=8k $origin/clone
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dd if=/$TESTDIR/file_8k of=/$TESTDIR/clone/file_8k bs=1024k \
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oflag=sync conv=notrunc >/dev/null 2>&1 || log_fail "dd failed."
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log_mustnot verify_nopwrite $origin $origin@a $origin/clone
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#
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# Perform an indirect zil nopwrite test
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#
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log_must zfs set recordsize=128k $origin/clone
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dd if=/$TESTDIR/file_128k of=/$TESTDIR/clone/file_128k bs=1024k \
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oflag=sync conv=notrunc >/dev/null 2>&1 || log_fail "dd failed."
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log_mustnot verify_nopwrite $origin $origin@a $origin/clone
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log_pass "Remove works with nopwrite."
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