1#! /bin/ksh -p 2# 3# CDDL HEADER START 4# 5# This file and its contents are supplied under the terms of the 6# Common Development and Distribution License ("CDDL"), version 1.0. 7# You may only use this file in accordance with the terms of version 8# 1.0 of the CDDL. 9# 10# A full copy of the text of the CDDL should have accompanied this 11# source. A copy of the CDDL is also available via the Internet at 12# http://www.illumos.org/license/CDDL. 13# 14# CDDL HEADER END 15# 16 17# 18# Copyright (c) 2015, 2016 by Delphix. All rights reserved. 19# 20 21. $STF_SUITE/include/libtest.shlib 22. $STF_SUITE/tests/functional/removal/removal.kshlib 23 24function set_condense_delay # ticks 25{ 26 typeset ticks=$1 27 echo "zfs_condense_indirect_commit_entry_delay_ticks/W 0t$ticks" | \ 28 mdb -kw 29} 30 31function reset 32{ 33 log_must set_condense_delay 0 34 log_must set_min_bytes 131072 35 default_cleanup_noexit 36} 37 38default_setup_noexit "$DISKS" "true" 39log_onexit reset 40log_must set_condense_delay 500 41log_must set_min_bytes 1 42 43log_must zfs set recordsize=512 $TESTPOOL/$TESTFS 44 45# 46# Create a large file so that we know some of the blocks will be on the 47# removed device, and hence eligible for remapping. 48# 49log_must dd if=/dev/urandom of=$TESTDIR/file bs=1024k count=10 50 51# 52# Create a file in the other filesystem, which will not be remapped. 53# 54log_must dd if=/dev/urandom of=$TESTDIR1/file bs=1024k count=10 55 56# 57# Randomly rewrite some of blocks in the file so that there will be holes and 58# we will not be able to remap the entire file in a few huge chunks. 59# 60for i in {1..4096}; do 61 # 62 # We have to sync periodically so that all the writes don't end up in 63 # the same txg. If they were all in the same txg, only the last write 64 # would go through and we would not have as many allocations to 65 # fragment the file. 66 # 67 ((i % 100 > 0 )) || sync || log_fail "Could not sync." 68 random_write $TESTDIR/file 512 || \ 69 log_fail "Could not random write." 70done 71 72log_must zpool remove $TESTPOOL $REMOVEDISK 73log_must wait_for_removal $TESTPOOL 74log_mustnot vdevs_in_pool $TESTPOOL $REMOVEDISK 75 76log_must zfs remap $TESTPOOL/$TESTFS 77sync 78sleep 4 79sync 80log_must zpool export $TESTPOOL 81zdb -e $TESTPOOL | grep 'Condensing indirect vdev' || \ 82 log_fail "Did not export during a condense." 83log_must zdb -e -cudi $TESTPOOL 84log_must zpool import $TESTPOOL 85 86log_pass "Pool can be exported in the middle of a condense." 87