1#!/usr/local/bin/ksh93 -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 http://www.opensolaris.org/os/licensing. 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# $FreeBSD$ 24 25# 26# Copyright 2007 Sun Microsystems, Inc. All rights reserved. 27# Use is subject to license terms. 28# 29# ident "@(#)redundancy_003_pos.ksh 1.4 07/06/05 SMI" 30# 31 32. $STF_SUITE/tests/redundancy/redundancy.kshlib 33 34################################################################################# 35# 36# __stc_assertion_start 37# 38# ID: redundancy_003_pos 39# 40# DESCRIPTION: 41# A mirrored pool can withstand N-1 device are failing or missing. 42# 43# STRATEGY: 44# 1. Create N(>2,<5) virtual disk files. 45# 2. Create mirror pool based on the virtual disk files. 46# 3. Fill the filesystem with directories and files. 47# 4. Record all the files and directories checksum information. 48# 5. Damaged at most N-1 of the virtual disk files. 49# 6. Verify the data are correct to prove mirror can withstand N-1 devices 50# are failing. 51# 52# TESTABILITY: explicit 53# 54# TEST_AUTOMATION_LEVEL: automated 55# 56# CODING_STATUS: COMPLETED (2006-08-21) 57# 58# __stc_assertion_end 59# 60################################################################################ 61 62verify_runnable "global" 63 64log_assert "Verify mirrored pool can withstand N-1 devices are failing or missing." 65log_onexit cleanup 66 67for cnt in 3 2; do 68 typeset -i i=1 69 70 setup_test_env $TESTPOOL mirror $cnt 71 72 # 73 # Inject data corruption errors for mirrored pool 74 # 75 while (( i < cnt )); do 76 damage_devs $TESTPOOL $i "label" 77 log_must is_data_valid $TESTPOOL 78 log_must clear_errors $TESTPOOL 79 80 (( i +=1 )) 81 done 82 83 # 84 # Inject bad devices errors for mirrored pool 85 # 86 i=1 87 while (( i < cnt )); do 88 damage_devs $TESTPOOL $i 89 log_must is_data_valid $TESTPOOL 90 log_must recover_bad_missing_devs $TESTPOOL $i 91 92 (( i +=1 )) 93 done 94 95 # 96 # Inject missing device errors for mirrored pool 97 # 98 i=1 99 while (( i < cnt )); do 100 remove_devs $TESTPOOL $i 101 log_must is_data_valid $TESTPOOL 102 log_must recover_bad_missing_devs $TESTPOOL $i 103 104 (( i +=1 )) 105 done 106done 107 108log_pass "Mirrored pool can withstand N-1 devices failing as expected." 109