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#!/bin/ksh -p
#
# CDDL HEADER START
#
# This file and its contents are supplied under the terms of the
# Common Development and Distribution License ("CDDL"), version 1.0.
# You may only use this file in accordance with the terms of version
# 1.0 of the CDDL.
#
# A full copy of the text of the CDDL should have accompanied this
# source. A copy of the CDDL is also available via the Internet at
# http://www.illumos.org/license/CDDL.
#
# CDDL HEADER END
#
#
# Copyright (c) 2017 by Intel Corporation. All rights reserved.
#
. $STF_SUITE/include/libtest.shlib
. $STF_SUITE/tests/functional/fault/fault.cfg
#
# DESCRIPTION:
# Testing Fault Management Agent ZED Logic - Automated Auto-Spare Test when
# drive is faulted due to IO ERRORS.
#
# STRATEGY:
# 1. Create a pool with hot spares
# 2. Create a filesystem with the primary cache disable to force reads
# 3. Write a file to the pool to be read back
# 4. Inject IO ERRORS on read with a zinject error handler
# 5. Verify the ZED kicks in a hot spare and expected pool/device status
# 6. Clear the fault
# 7. Verify the hot spare is available and expected pool/device status
#
verify_runnable "both"
function cleanup
{
log_must zinject -c all
destroy_pool $TESTPOOL
rm -f $VDEV_FILES $SPARE_FILE
}
log_assert "Testing automated auto-spare FMA test"
log_onexit cleanup
# Clear events from previous runs
zed_events_drain
TESTFILE="/$TESTPOOL/$TESTFS/testfile"
for type in "mirror" "raidz" "raidz2" "draid:1s"; do
if [ "$type" = "draid:1s" ]; then
# 1. Create a dRAID pool with a distributed hot spare
#
# Corruption is injected in the file-2 instead of file-1
# vdev since the dRAID permutation at these offsets maps
# to distributed spare space and not data devices.
#
log_must truncate -s $MINVDEVSIZE $VDEV_FILES
log_must zpool create -f $TESTPOOL $type $VDEV_FILES
SPARE="draid1-0-0"
FAULT="$TEST_BASE_DIR/file-2"
else
# 1. Create a pool with hot spares
log_must truncate -s $MINVDEVSIZE $VDEV_FILES $SPARE_FILE
log_must zpool create -f $TESTPOOL $type $VDEV_FILES \
spare $SPARE_FILE
SPARE=$SPARE_FILE
FAULT=$FAULT_FILE
fi
# 2. Create a filesystem with the primary cache disable to force reads
log_must zfs create -o primarycache=none $TESTPOOL/$TESTFS
log_must zfs set recordsize=16k $TESTPOOL/$TESTFS
# 3. Write a file to the pool to be read back
log_must dd if=/dev/urandom of=$TESTFILE bs=1M count=64
# 4. Inject IO ERRORS on read with a zinject error handler
log_must zinject -d $FAULT -e io -T read $TESTPOOL
log_must cp $TESTFILE /dev/null
# 5. Verify the ZED kicks in a hot spare and expected pool/device status
log_note "Wait for ZED to auto-spare"
log_must wait_vdev_state $TESTPOOL $FAULT "FAULTED" 60
log_must wait_vdev_state $TESTPOOL $SPARE "ONLINE" 60
log_must wait_hotspare_state $TESTPOOL $SPARE "INUSE"
log_must check_state $TESTPOOL "" "DEGRADED"
# The ZED will use a sequential resilver for dRAID. Wait for the
# resilver and subsequent scrub to complete before moving on.
if [ "$type" = "draid:1s" ]; then
log_must wait_scrubbed $TESTPOOL
fi
# 6. Clear the fault
log_must zinject -c all
log_must zpool clear $TESTPOOL $FAULT
# 7. Verify the hot spare is available and expected pool/device status
log_must wait_vdev_state $TESTPOOL $FAULT "ONLINE" 60
log_must wait_hotspare_state $TESTPOOL $SPARE "AVAIL"
log_must is_pool_resilvered $TESTPOOL
log_must check_state $TESTPOOL "" "ONLINE"
cleanup
done
log_pass "Auto-spare test successful"
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