1d583b39bSJohn Wren Kennedy#!/usr/bin/ksh 2d583b39bSJohn Wren Kennedy 3d583b39bSJohn Wren Kennedy# 4d583b39bSJohn Wren Kennedy# This file and its contents are supplied under the terms of the 5d583b39bSJohn Wren Kennedy# Common Development and Distribution License ("CDDL"), version 1.0. 6d583b39bSJohn Wren Kennedy# You may only use this file in accordance with the terms of version 7d583b39bSJohn Wren Kennedy# 1.0 of the CDDL. 8d583b39bSJohn Wren Kennedy# 9d583b39bSJohn Wren Kennedy# A full copy of the text of the CDDL should have accompanied this 10d583b39bSJohn Wren Kennedy# source. A copy of the CDDL is also available via the Internet at 11d583b39bSJohn Wren Kennedy# http://www.illumos.org/license/CDDL. 12d583b39bSJohn Wren Kennedy# 13d583b39bSJohn Wren Kennedy 14d583b39bSJohn Wren Kennedy# 15*1d32ba66SJohn Wren Kennedy# Copyright (c) 2012, 2016 by Delphix. All rights reserved. 16d583b39bSJohn Wren Kennedy# 17d583b39bSJohn Wren Kennedy 18d583b39bSJohn Wren Kennedy. $STF_SUITE/include/libtest.shlib 19d583b39bSJohn Wren Kennedy. $STF_SUITE/tests/functional/nopwrite/nopwrite.shlib 20d583b39bSJohn Wren Kennedy 21d583b39bSJohn Wren Kennedy# 22d583b39bSJohn Wren Kennedy# Description: 23d583b39bSJohn Wren Kennedy# Verify that nopwrite is not enabled if the copies property changes 24d583b39bSJohn Wren Kennedy# 25d583b39bSJohn Wren Kennedy# Strategy: 26d583b39bSJohn Wren Kennedy# 1. Create a clone with copies set higher than the origin fs 27d583b39bSJohn Wren Kennedy# 2. Verify that nopwrite is in use. 28d583b39bSJohn Wren Kennedy# 3. Repeat with the number of copies decreased. 29d583b39bSJohn Wren Kennedy# 30d583b39bSJohn Wren Kennedy 31d583b39bSJohn Wren Kennedyverify_runnable "global" 32d583b39bSJohn Wren Kennedyorigin="$TESTPOOL/$TESTFS" 33d583b39bSJohn Wren Kennedylog_onexit cleanup 34d583b39bSJohn Wren Kennedy 35d583b39bSJohn Wren Kennedyfunction cleanup 36d583b39bSJohn Wren Kennedy{ 37*1d32ba66SJohn Wren Kennedy datasetexists $origin && log_must zfs destroy -R $origin 38*1d32ba66SJohn Wren Kennedy log_must zfs create -o mountpoint=$TESTDIR $origin 39d583b39bSJohn Wren Kennedy} 40d583b39bSJohn Wren Kennedy 41d583b39bSJohn Wren Kennedylog_assert "nopwrite requires copies property to remain constant" 42d583b39bSJohn Wren Kennedy 43d583b39bSJohn Wren Kennedy# Verify nopwrite is disabled with increased redundancy 44*1d32ba66SJohn Wren Kennedylog_must zfs set compress=on $origin 45*1d32ba66SJohn Wren Kennedylog_must zfs set checksum=sha256 $origin 46*1d32ba66SJohn Wren Kennedydd if=/dev/urandom of=$TESTDIR/file bs=1024k count=$MEGS conv=notrunc \ 47d583b39bSJohn Wren Kennedy >/dev/null 2>&1 || log_fail "dd into $TESTDIR/file failed." 48*1d32ba66SJohn Wren Kennedyzfs snapshot $origin@a || log_fail "zfs snap failed" 49*1d32ba66SJohn Wren Kennedylog_must zfs clone $origin@a $origin/clone 50*1d32ba66SJohn Wren Kennedyzfs set copies=3 $origin/clone 51*1d32ba66SJohn Wren Kennedydd if=/$TESTDIR/file of=/$TESTDIR/clone/file bs=1024k count=$MEGS \ 52d583b39bSJohn Wren Kennedy conv=notrunc >/dev/null 2>&1 || log_fail "dd failed." 53d583b39bSJohn Wren Kennedylog_mustnot verify_nopwrite $origin $origin@a $origin/clone 54d583b39bSJohn Wren Kennedy 55d583b39bSJohn Wren Kennedy# Verify nopwrite is disabled with decreased redundancy 56*1d32ba66SJohn Wren Kennedyzfs destroy -R $origin || log_fail "Couldn't destroy $origin" 57*1d32ba66SJohn Wren Kennedyzfs create -o mountpoint=$TESTDIR $origin || \ 58d583b39bSJohn Wren Kennedy log_fail "Couldn't recreate $origin" 59*1d32ba66SJohn Wren Kennedylog_must zfs set compress=on $origin 60*1d32ba66SJohn Wren Kennedylog_must zfs set copies=3 $origin 61*1d32ba66SJohn Wren Kennedylog_must zfs set checksum=sha256 $origin 62*1d32ba66SJohn Wren Kennedydd if=/dev/urandom of=$TESTDIR/file bs=1024k count=$MEGS conv=notrunc \ 63d583b39bSJohn Wren Kennedy >/dev/null 2>&1 || log_fail "dd into $TESTDIR/file failed." 64*1d32ba66SJohn Wren Kennedyzfs snapshot $origin@a || log_fail "zfs snap failed" 65*1d32ba66SJohn Wren Kennedylog_must zfs clone $origin@a $origin/clone 66*1d32ba66SJohn Wren Kennedyzfs set copies=1 $origin/clone 67*1d32ba66SJohn Wren Kennedydd if=/$TESTDIR/file of=/$TESTDIR/clone/file bs=1024k count=$MEGS \ 68d583b39bSJohn Wren Kennedy conv=notrunc >/dev/null 2>&1 || log_fail "dd failed." 69d583b39bSJohn Wren Kennedylog_mustnot verify_nopwrite $origin $origin@a $origin/clone 70d583b39bSJohn Wren Kennedy 71d583b39bSJohn Wren Kennedylog_pass "nopwrite requires copies property to remain constant" 72