xref: /freebsd/tests/sys/cddl/zfs/tests/zfsd/zfsd.kshlib (revision c697fb7f)
1#!/usr/local/bin/ksh93 -p
2# vim: filetype=sh
3#
4# CDDL HEADER START
5#
6# The contents of this file are subject to the terms of the
7# Common Development and Distribution License (the "License").
8# You may not use this file except in compliance with the License.
9#
10# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
11# or http://www.opensolaris.org/os/licensing.
12# See the License for the specific language governing permissions
13# and limitations under the License.
14#
15# When distributing Covered Code, include this CDDL HEADER in each
16# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
17# If applicable, add the following below this CDDL HEADER, with the
18# fields enclosed by brackets "[]" replaced with your own identifying
19# information: Portions Copyright [yyyy] [name of copyright owner]
20#
21# CDDL HEADER END
22#
23
24# $FreeBSD$
25
26#
27# Copyright 2013 Spectra Logic.  All rights reserved.
28# Use is subject to license terms.
29#
30
31# Common routines used by multiple zfsd tests
32
33function wait_for_pool_dev_state_change
34{
35	typeset -i timeout=$1
36	typeset disk=$2
37	typeset state=$3
38
39	log_note "Waiting up to $timeout seconds for $disk to become $state ..."
40	for ((; $timeout > 0; timeout=$timeout-1)); do
41		check_state $TESTPOOL "$disk" "$state"
42		[ $? -eq 0 ] && return
43		$SLEEP 1
44	done
45	log_must $ZPOOL status $TESTPOOL
46	log_fail "ERROR: Disk $disk not marked as $state in $TESTPOOL"
47}
48
49function wait_for_pool_removal
50{
51	typeset -i timeout=$1
52	wait_for_pool_dev_state_change $timeout $REMOVAL_DISK "REMOVED|UNAVAIL"
53}
54
55function wait_until_scrubbed
56{
57	typeset pool=$1
58
59	while is_pool_scrubbing $pool; do
60		log_note "$pool still scrubbing..."
61		$SLEEP 1
62	done
63}
64
65function corrupt_pool_vdev
66{
67	typeset pool=$1
68	typeset vdev=$2
69	typeset file=$3
70
71	# do some IO on the pool
72	log_must $DD if=/dev/zero of=$file bs=1024k count=64
73	$FSYNC $file
74
75	# scribble on the underlying file to corrupt the vdev
76	log_must $DD if=/dev/urandom of=$vdev bs=1024k count=64 conv=notrunc
77
78	# Scrub the pool to detect the corruption
79	log_must $ZPOOL scrub $pool
80	wait_until_scrubbed $pool
81
82	# ZFSD can take up to 60 seconds to degrade an array in response to
83	# errors (though it's usually faster).
84	wait_for_pool_dev_state_change 60 $vdev DEGRADED
85}
86