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annotate usr/src/test/zfs-tests/tests/functional/nopwrite/nopwrite_copies.ksh @ 13899:0bcf78798346

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3311 Want a test framework for arbitrary OS unit tests 3312 Add a testrunner package for OS unit tests 3313 Add a testrunner package to convert ZFS tests from STF Reviewed by: Matt Ahrens <matthew.ahrens@delphix.com> Reviewed by: Will Guyette <will.guyette@delphix.com> Reviewed by: Dan Kimmel <dan.kimmel@delphix.com> Reviewed by: Adam Leventhal <ahl@delphix.com> Reviewed by: Henrik Mattson <henrik.mattson@delphix.com> Reviewed by: Sonu Pillai <sonu.pillai@delphix.com> Reviewed by: Christopher Siden <chris.siden@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Richard Lowe <richlowe@richlowe.net> Approved by: Richard Lowe <richlowe@richlowe.net>
author John Wren Kennedy <john.kennedy@delphix.com>
date Wed, 05 Dec 2012 22:04:50 -0500
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13899
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1 #!/usr/bin/ksh
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2
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3 #
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4 # This file and its contents are supplied under the terms of the
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5 # Common Development and Distribution License ("CDDL"), version 1.0.
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6 # You may only use this file in accordance with the terms of version
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7 # 1.0 of the CDDL.
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8 #
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9 # A full copy of the text of the CDDL should have accompanied this
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10 # source. A copy of the CDDL is also available via the Internet at
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11 # http://www.illumos.org/license/CDDL.
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12 #
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13
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14 #
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15 # Copyright (c) 2012 by Delphix. All rights reserved.
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16 #
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17
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18 . $STF_SUITE/include/libtest.shlib
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19 . $STF_SUITE/tests/functional/nopwrite/nopwrite.shlib
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20
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21 #
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22 # Description:
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23 # Verify that nopwrite is not enabled if the copies property changes
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24 #
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25 # Strategy:
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26 # 1. Create a clone with copies set higher than the origin fs
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27 # 2. Verify that nopwrite is in use.
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28 # 3. Repeat with the number of copies decreased.
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29 #
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30
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31 verify_runnable "global"
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32 origin="$TESTPOOL/$TESTFS"
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33 log_onexit cleanup
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34
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35 function cleanup
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36 {
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37 datasetexists $origin && log_must $ZFS destroy -R $origin
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38 log_must $ZFS create -o mountpoint=$TESTDIR $origin
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39 }
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40
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41 log_assert "nopwrite requires copies property to remain constant"
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42
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43 # Verify nopwrite is disabled with increased redundancy
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44 log_must $ZFS set compress=on $origin
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45 log_must $ZFS set checksum=sha256 $origin
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46 $DD if=/dev/urandom of=$TESTDIR/file bs=1024k count=$MEGS conv=notrunc \
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47 >/dev/null 2>&1 || log_fail "dd into $TESTDIR/file failed."
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48 $ZFS snapshot $origin@a || log_fail "zfs snap failed"
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49 log_must $ZFS clone $origin@a $origin/clone
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50 $ZFS set copies=3 $origin/clone
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51 $DD if=/$TESTDIR/file of=/$TESTDIR/clone/file bs=1024k count=$MEGS \
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52 conv=notrunc >/dev/null 2>&1 || log_fail "dd failed."
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53 log_mustnot verify_nopwrite $origin $origin@a $origin/clone
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54
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55 # Verify nopwrite is disabled with decreased redundancy
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56 $ZFS destroy -R $origin || log_fail "Couldn't destroy $origin"
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57 $ZFS create -o mountpoint=$TESTDIR $origin || \
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58 log_fail "Couldn't recreate $origin"
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59 log_must $ZFS set compress=on $origin
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60 log_must $ZFS set copies=3 $origin
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61 log_must $ZFS set checksum=sha256 $origin
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62 $DD if=/dev/urandom of=$TESTDIR/file bs=1024k count=$MEGS conv=notrunc \
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63 >/dev/null 2>&1 || log_fail "dd into $TESTDIR/file failed."
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64 $ZFS snapshot $origin@a || log_fail "zfs snap failed"
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65 log_must $ZFS clone $origin@a $origin/clone
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66 $ZFS set copies=1 $origin/clone
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67 $DD if=/$TESTDIR/file of=/$TESTDIR/clone/file bs=1024k count=$MEGS \
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68 conv=notrunc >/dev/null 2>&1 || log_fail "dd failed."
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69 log_mustnot verify_nopwrite $origin $origin@a $origin/clone
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70
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71 log_pass "nopwrite requires copies property to remain constant"