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 2007 Sun Microsystems, Inc. All rights reserved. 25# Use is subject to license terms. 26# 27 28# 29# Copyright (c) 2013 by Delphix. All rights reserved. 30# Copyright (c) 2020 by Lawrence Livermore National Security, LLC. 31# 32 33. $STF_SUITE/include/libtest.shlib 34. $STF_SUITE/tests/functional/redundancy/redundancy.kshlib 35 36# 37# DESCRIPTION: 38# A draid3 pool can withstand 3 devices are failing or missing. 39# 40# STRATEGY: 41# 1. Create N(>5,<6) virtual disk files. 42# 2. Create draid3 pool based on the virtual disk files. 43# 3. Fill the filesystem with directories and files. 44# 4. Record all the files and directories checksum information. 45# 5. Damaged at most three of the virtual disk files. 46# 6. Verify the data is correct to prove draid3 can withstand 3 devices 47# are failing. 48# 49 50verify_runnable "global" 51 52log_assert "Verify draid3 pool can withstand three devices failing." 53log_onexit cleanup 54 55typeset -i cnt=$(random_int_between 5 6) 56setup_test_env $TESTPOOL draid3 $cnt 57 58# 59# Inject data corruption errors for draid3 pool 60# 61for i in 1 2 3; do 62 damage_devs $TESTPOOL $i "label" 63 log_must is_data_valid $TESTPOOL 64 log_must clear_errors $TESTPOOL 65done 66 67# 68# Inject bad devices errors for draid3 pool 69# 70for i in 1 2 3; do 71 damage_devs $TESTPOOL $i 72 log_must is_data_valid $TESTPOOL 73 log_must recover_bad_missing_devs $TESTPOOL $i 74done 75 76# 77# Inject missing device errors for draid3 pool 78# 79for i in 1 2 3; do 80 remove_devs $TESTPOOL $i 81 log_must is_data_valid $TESTPOOL 82 log_must recover_bad_missing_devs $TESTPOOL $i 83done 84 85log_pass "draid3 pool can withstand three devices failing passed." 86