| #!/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 |
| . $STF_SUITE/tests/functional/nopwrite/nopwrite.shlib |
| |
| # |
| # Description: |
| # Verify that nopwrite cannot be enabled on volumes |
| # |
| # Strategy: |
| # 1. Create a clone of a volume that fits the criteria for nopwrite. |
| # 2. Overwrite the same blocks from the origin vol and verify that |
| # new space is consumed. |
| # |
| |
| verify_runnable "global" |
| origin="$TESTPOOL/$TESTVOL" |
| clone="$TESTPOOL/clone" |
| vol="${ZVOL_RDEVDIR}/$origin" |
| volclone="${ZVOL_RDEVDIR}/$clone" |
| log_onexit cleanup |
| |
| function cleanup |
| { |
| datasetexists $origin && destroy_dataset $origin -R |
| # No need to recreate the volume as no other tests expect it. |
| } |
| |
| log_assert "nopwrite works on volumes" |
| |
| log_must zfs set compress=on $origin |
| log_must zfs set checksum=sha256 $origin |
| dd if=/dev/urandom of=$vol bs=8192 count=4096 conv=notrunc >/dev/null \ |
| 2>&1 || log_fail "dd into $origin failed." |
| zfs snapshot $origin@a || log_fail "zfs snap failed" |
| log_must zfs clone $origin@a $clone |
| log_must zfs set compress=on $clone |
| log_must zfs set checksum=sha256 $clone |
| block_device_wait |
| dd if=$vol of=$volclone bs=8192 count=4096 conv=notrunc >/dev/null 2>&1 || \ |
| log_fail "dd into $clone failed." |
| log_must verify_nopwrite $origin $origin@a $clone |
| |
| log_pass "nopwrite works on volumes" |