1#!/bin/ksh -p
2#
3# CDDL HEADER START
4#
5# The contents of this file are subject to the terms of the
6# Common Development and Distribution License (the "License").
7# You may not use this file except in compliance with the License.
8#
9# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10# or https://opensource.org/licenses/CDDL-1.0.
11# See the License for the specific language governing permissions
12# and limitations under the License.
13#
14# When distributing Covered Code, include this CDDL HEADER in each
15# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16# If applicable, add the following below this CDDL HEADER, with the
17# fields enclosed by brackets "[]" replaced with your own identifying
18# information: Portions Copyright [yyyy] [name of copyright owner]
19#
20# CDDL HEADER END
21#
22
23#
24# Copyright (c) 2016 by Delphix. All rights reserved.
25#
26. $STF_SUITE/include/libtest.shlib
27
28#
29# DESCRIPTION:
30# After initializing, the disk is actually initialized.
31#
32# STRATEGY:
33# 1. Create a one-disk pool.
34# 2. Initialize the disk to completion.
35# 3. Load all metaslabs and make sure that each contains at least
36#    once instance of the initializing pattern (deadbeef).
37#
38
39function cleanup
40{
41	set_tunable64 INITIALIZE_VALUE $ORIG_PATTERN
42        zpool import -d $TESTDIR $TESTPOOL
43
44        if datasetexists $TESTPOOL ; then
45                zpool destroy -f $TESTPOOL
46        fi
47        if [[ -d "$TESTDIR" ]]; then
48                rm -rf "$TESTDIR"
49        fi
50}
51log_onexit cleanup
52
53PATTERN="deadbeefdeadbeef"
54SMALLFILE="$TESTDIR/smallfile"
55
56ORIG_PATTERN=$(get_tunable INITIALIZE_VALUE)
57log_must set_tunable64 INITIALIZE_VALUE $(printf %llu 0x$PATTERN)
58
59log_must mkdir "$TESTDIR"
60log_must truncate -s $MINVDEVSIZE "$SMALLFILE"
61log_must zpool create $TESTPOOL "$SMALLFILE"
62log_must zpool initialize -w $TESTPOOL
63log_must zpool export $TESTPOOL
64
65metaslabs=0
66bs=512
67zdb -p $TESTDIR -Pme $TESTPOOL | awk '/metaslab[ ]+[0-9]+/ { print $4, $8 }' |
68while read -r offset size; do
69	log_note "offset: '$offset'"
70	log_note "size: '$size'"
71
72	metaslabs=$((metaslabs + 1))
73	offset=$(((4 * 1024 * 1024) + 16#$offset))
74	log_note "vdev file offset: '$offset'"
75
76	# Note we use '-t x4' instead of '-t x8' here because x8 is not
77	# a supported format on FreeBSD.
78	dd if=$SMALLFILE skip=$((offset / bs)) count=$((size / bs)) bs=$bs |
79	    od -t x4 -Ad | grep -qE "deadbeef +deadbeef +deadbeef +deadbeef" ||
80	    log_fail "Pattern not found in metaslab free space"
81done
82
83if [[ $metaslabs -eq 0 ]]; then
84	log_fail "Did not find any metaslabs to check"
85else
86	log_pass "Initializing wrote to each metaslab"
87fi
88