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#!/bin/ksh -p
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or https://opensource.org/licenses/CDDL-1.0.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#
#
# Copyright 2007 Sun Microsystems, Inc. All rights reserved.
# Use is subject to license terms.
#
#
# Copyright (c) 2013 by Delphix. All rights reserved.
#
. $STF_SUITE/include/libtest.shlib
. $STF_SUITE/tests/functional/redundancy/redundancy.kshlib
#
# DESCRIPTION:
# A raidz2 pool can withstand 2 devices are failing or missing.
#
# STRATEGY:
# 1. Create N(>3,<5) virtual disk files.
# 2. Create raidz2 pool based on the virtual disk files.
# 3. Fill the filesystem with directories and files.
# 4. Record all the files and directories checksum information.
# 5. Damaged at most two of the virtual disk files.
# 6. Verify the data is correct to prove raidz2 can withstand 2 devices
# are failing.
#
verify_runnable "global"
log_assert "Verify raidz2 pool can withstand two devices failing."
log_onexit cleanup
typeset -i cnt=$(random_int_between 3 5)
setup_test_env $TESTPOOL raidz2 $cnt
#
# Inject data corruption errors for raidz2 pool
#
for i in 1 2; do
damage_devs $TESTPOOL $i "label"
log_must is_data_valid $TESTPOOL
log_must clear_errors $TESTPOOL
done
#
# Inject bad devices errors for raidz2 pool
#
for i in 1 2; do
damage_devs $TESTPOOL $i
log_must is_data_valid $TESTPOOL
log_must recover_bad_missing_devs $TESTPOOL $i
done
#
# Inject missing device errors for raidz2 pool
#
for i in 1 2; do
remove_devs $TESTPOOL $i
log_must is_data_valid $TESTPOOL
log_must recover_bad_missing_devs $TESTPOOL $i
done
log_pass "raidz2 pool can withstand two devices failing passed."
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