| #!/bin/ksh |
| |
| # |
| # This file and its contents are supplied under the terms of the |
| # Common Development and Distribution License ("CDDL"), version 1.0. |
| # You may only use this file in accordance with the terms of version |
| # 1.0 of the CDDL. |
| # |
| # A full copy of the text of the CDDL should have accompanied this |
| # source. A copy of the CDDL is also available via the Internet at |
| # http://www.illumos.org/license/CDDL. |
| # |
| |
| # |
| # Copyright (c) 2012, 2016 by Delphix. All rights reserved. |
| # |
| |
| . $STF_SUITE/include/libtest.shlib |
| . $STF_SUITE/tests/functional/nopwrite/nopwrite.shlib |
| |
| # |
| # Description: |
| # Verify that nopwrite is not enabled if the copies property changes |
| # |
| # Strategy: |
| # 1. Create a clone with copies set higher than the origin fs |
| # 2. Verify that nopwrite is in use. |
| # 3. Repeat with the number of copies decreased. |
| # |
| |
| verify_runnable "global" |
| origin="$TESTPOOL/$TESTFS" |
| log_onexit cleanup |
| |
| function cleanup |
| { |
| datasetexists $origin && log_must zfs destroy -R $origin |
| log_must zfs create -o mountpoint=$TESTDIR $origin |
| } |
| |
| log_assert "nopwrite requires copies property to remain constant" |
| |
| # Verify nopwrite is disabled with increased redundancy |
| log_must zfs set compress=on $origin |
| log_must zfs set checksum=sha256 $origin |
| dd if=/dev/urandom of=$TESTDIR/file bs=1024k count=$MEGS conv=notrunc \ |
| >/dev/null 2>&1 || log_fail "dd into $TESTDIR/file failed." |
| zfs snapshot $origin@a || log_fail "zfs snap failed" |
| log_must zfs clone $origin@a $origin/clone |
| zfs set copies=3 $origin/clone |
| dd if=/$TESTDIR/file of=/$TESTDIR/clone/file bs=1024k count=$MEGS \ |
| conv=notrunc >/dev/null 2>&1 || log_fail "dd failed." |
| log_mustnot verify_nopwrite $origin $origin@a $origin/clone |
| |
| # Verify nopwrite is disabled with decreased redundancy |
| zfs destroy -R $origin || log_fail "Couldn't destroy $origin" |
| zfs create -o mountpoint=$TESTDIR $origin || \ |
| log_fail "Couldn't recreate $origin" |
| log_must zfs set compress=on $origin |
| log_must zfs set copies=3 $origin |
| log_must zfs set checksum=sha256 $origin |
| dd if=/dev/urandom of=$TESTDIR/file bs=1024k count=$MEGS conv=notrunc \ |
| >/dev/null 2>&1 || log_fail "dd into $TESTDIR/file failed." |
| zfs snapshot $origin@a || log_fail "zfs snap failed" |
| log_must zfs clone $origin@a $origin/clone |
| zfs set copies=1 $origin/clone |
| dd if=/$TESTDIR/file of=/$TESTDIR/clone/file bs=1024k count=$MEGS \ |
| conv=notrunc >/dev/null 2>&1 || log_fail "dd failed." |
| log_mustnot verify_nopwrite $origin $origin@a $origin/clone |
| |
| log_pass "nopwrite requires copies property to remain constant" |