d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy# This file and its contents are supplied under the terms of the
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy# Common Development and Distribution License ("CDDL"), version 1.0.
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy# You may only use this file in accordance with the terms of version
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy# 1.0 of the CDDL.
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy# A full copy of the text of the CDDL should have accompanied this
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy# source. A copy of the CDDL is also available via the Internet at
1d32ba663e202c24a5a1f2e5aef83fffb447cb7fJohn Wren Kennedy# Copyright (c) 2012, 2016 by Delphix. All rights reserved.
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy. $STF_SUITE/tests/functional/nopwrite/nopwrite.shlib
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy# Verify that duplicate writes to a clone are accounted as new data if the
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy# prerequisites for nopwrite are not met.
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy# 1. The file in the origin ds is written without compression or sha256.
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy# 2. The file in the origin ds is written before sha256 checksum is turned on.
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy# 3. The clone does not have compression.
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy# 4. The clone does not have the appropriate checksum.
1d32ba663e202c24a5a1f2e5aef83fffb447cb7fJohn Wren Kennedy datasetexists $origin && log_must zfs destroy -R $origin
1d32ba663e202c24a5a1f2e5aef83fffb447cb7fJohn Wren Kennedy log_must zfs create -o mountpoint=$TESTDIR $origin
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedylog_assert "nopwrite isn't enabled without the prerequisites"
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy# Data written into origin fs without compression or sha256
1d32ba663e202c24a5a1f2e5aef83fffb447cb7fJohn Wren Kennedydd if=/dev/urandom of=$TESTDIR/file bs=1024k count=$MEGS conv=notrunc \
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy >/dev/null 2>&1 || log_fail "dd of $TESTDIR/file failed."
1d32ba663e202c24a5a1f2e5aef83fffb447cb7fJohn Wren Kennedyzfs snapshot $origin@a || log_fail "zfs snap failed"
1d32ba663e202c24a5a1f2e5aef83fffb447cb7fJohn Wren Kennedylog_must zfs clone -o compress=on $origin@a $origin/clone
1d32ba663e202c24a5a1f2e5aef83fffb447cb7fJohn Wren Kennedylog_must zfs set checksum=sha256 $origin/clone
1d32ba663e202c24a5a1f2e5aef83fffb447cb7fJohn Wren Kennedydd if=/$TESTDIR/file of=/$TESTDIR/clone/file bs=1024k count=$MEGS \
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy conv=notrunc >/dev/null 2>&1 || log_fail "dd failed."
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedylog_mustnot verify_nopwrite $origin $origin@a $origin/clone
1d32ba663e202c24a5a1f2e5aef83fffb447cb7fJohn Wren Kennedyzfs destroy -R $origin@a || log_fail "zfs destroy failed"
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy# Data written to origin fs before checksum enabled
1d32ba663e202c24a5a1f2e5aef83fffb447cb7fJohn Wren Kennedydd if=/dev/urandom of=$TESTDIR/file bs=1024k count=$MEGS conv=notrunc \
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy >/dev/null 2>&1 || log_fail "dd into $TESTDIR/file failed."
1d32ba663e202c24a5a1f2e5aef83fffb447cb7fJohn Wren Kennedyzfs snapshot $origin@a || log_fail "zfs snap failed"
1d32ba663e202c24a5a1f2e5aef83fffb447cb7fJohn Wren Kennedydd if=/$TESTDIR/file of=/$TESTDIR/clone/file bs=1024k count=$MEGS \
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy conv=notrunc >/dev/null 2>&1 || log_fail "dd failed."
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedylog_mustnot verify_nopwrite $origin $origin@a $origin/clone
1d32ba663e202c24a5a1f2e5aef83fffb447cb7fJohn Wren Kennedyzfs destroy -R $origin@a || log_fail "zfs destroy failed"
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy# Clone with compression=off
1d32ba663e202c24a5a1f2e5aef83fffb447cb7fJohn Wren Kennedydd if=/dev/urandom of=$TESTDIR/file bs=1024k count=$MEGS conv=notrunc \
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy >/dev/null 2>&1 || log_fail "dd into $TESTDIR/file failed."
1d32ba663e202c24a5a1f2e5aef83fffb447cb7fJohn Wren Kennedyzfs snapshot $origin@a || log_fail "zfs snap failed"
1d32ba663e202c24a5a1f2e5aef83fffb447cb7fJohn Wren Kennedylog_must zfs clone -o compress=off $origin@a $origin/clone
1d32ba663e202c24a5a1f2e5aef83fffb447cb7fJohn Wren Kennedydd if=/$TESTDIR/file of=/$TESTDIR/clone/file bs=1024k count=$MEGS \
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy conv=notrunc >/dev/null 2>&1 || log_fail "dd failed."
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedylog_mustnot verify_nopwrite $origin $origin@a $origin/clone
1d32ba663e202c24a5a1f2e5aef83fffb447cb7fJohn Wren Kennedyzfs destroy -R $origin@a || log_fail "zfs destroy failed"
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy# Clone with fletcher4, rather than sha256
1d32ba663e202c24a5a1f2e5aef83fffb447cb7fJohn Wren Kennedydd if=/dev/urandom of=$TESTDIR/file bs=1024k count=$MEGS conv=notrunc \
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy >/dev/null 2>&1 || log_fail "dd into $TESTDIR/file failed."
1d32ba663e202c24a5a1f2e5aef83fffb447cb7fJohn Wren Kennedyzfs snapshot $origin@a || log_fail "zfs snap failed"
1d32ba663e202c24a5a1f2e5aef83fffb447cb7fJohn Wren Kennedylog_must zfs clone -o checksum=fletcher4 $origin@a $origin/clone
1d32ba663e202c24a5a1f2e5aef83fffb447cb7fJohn Wren Kennedydd if=/$TESTDIR/file of=/$TESTDIR/clone/file bs=1024k count=$MEGS \
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy conv=notrunc >/dev/null 2>&1 || log_fail "dd failed."
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedylog_mustnot verify_nopwrite $origin $origin@a $origin/clone
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedylog_pass "nopwrite isn't enabled without the prerequisites"