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) 2019 by Tim Chase. All rights reserved.
19# Copyright (c) 2019 Lawrence Livermore National Security, LLC.
20# Copyright 2019 Joyent, Inc.
21#
22
23. $STF_SUITE/include/libtest.shlib
24. $STF_SUITE/tests/functional/cli_root/zpool_trim/zpool_trim.kshlib
25
26#
27# DESCRIPTION:
28# Trimming does not cause file corruption.
29#
30# STRATEGY:
31# 1. Create a one-disk pool.
32# 2. Write data to the pool.
33# 3. Start trimming and verify that trimming is active.
34# 4. Write more data to the pool.
35# 5. Export the pool and use zdb to validate checksums.
36#
37
38function cleanup
39{
40	if poolexists $TESTPOOL; then
41		destroy_pool $TESTPOOL
42	fi
43
44	if [[ -d "$TESTDIR" ]]; then
45		rm -rf "$TESTDIR"
46	fi
47}
48log_onexit cleanup
49
50LARGESIZE=$((MINVDEVSIZE * 4))
51LARGEFILE="$TESTDIR/largefile"
52
53log_must mkdir "$TESTDIR"
54log_must truncate -s $LARGESIZE "$LARGEFILE"
55log_must zpool create $TESTPOOL "$LARGEFILE"
56
57log_must dd if=/dev/urandom of=/$TESTPOOL/file1 bs=1048576 count=64
58sync_all_pools
59log_must zpool trim $TESTPOOL
60
61[[ -z "$(trim_progress $TESTPOOL $LARGEFILE)" ]] && \
62    log_fail "Trimming did not start"
63
64log_must dd if=/dev/urandom of=/$TESTPOOL/file2 bs=1048576 count=64
65sync_all_pools
66
67log_must zpool export $TESTPOOL
68log_must zdb -e -p "$TESTDIR" -cc $TESTPOOL
69
70log_pass "Trimming does not corrupt existing or new data"
71