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Rob Wing
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tests: add zed_ck_config: test ZED with checksum_n and checksum_t
Test ZED configurability with checksum_n and checksum_t. Sponsored-by: Seagate Technology LLC Submitted-by: Klara, Inc. Signed-off-by: Rob Wing <rob.wing@klarasystems.com>
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‎tests/runfiles/linux.run‎

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@@ -86,7 +86,8 @@ tests = ['devices_001_pos', 'devices_002_neg', 'devices_003_pos']
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tags = ['functional', 'devices']
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[tests/functional/events:Linux]
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tests = ['events_001_pos', 'events_002_pos', 'zed_rc_filter', 'zed_fd_spill']
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tests = ['events_001_pos', 'events_002_pos', 'zed_ck_config',
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'zed_rc_filter', 'zed_fd_spill']
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tags = ['functional', 'events']
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[tests/functional/fadvise:Linux]

‎tests/zfs-tests/tests/Makefile.am‎

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@@ -1367,6 +1367,7 @@ nobase_dist_datadir_zfs_tests_tests_SCRIPTS += \
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functional/events/events_001_pos.ksh \
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functional/events/events_002_pos.ksh \
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functional/events/setup.ksh \
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functional/events/zed_ck_config.ksh \
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functional/events/zed_fd_spill.ksh \
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functional/events/zed_rc_filter.ksh \
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functional/exec/cleanup.ksh \

‎tests/zfs-tests/tests/functional/events/zed_ck_config.ksh‎

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#!/bin/ksh -p
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# CDDL HEADER START
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#
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# The contents of this file are subject to the terms of the
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# Common Development and Distribution License (the "License").
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# You may not use this file except in compliance with the License.
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#
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# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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# or https://opensource.org/licenses/CDDL-1.0.
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# See the License for the specific language governing permissions
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# and limitations under the License.
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#
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# When distributing Covered Code, include this CDDL HEADER in each
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# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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# If applicable, add the following below this CDDL HEADER, with the
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# fields enclosed by brackets "[]" replaced with your own identifying
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# information: Portions Copyright [yyyy] [name of copyright owner]
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#
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# CDDL HEADER END
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#
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#
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# Copyright (c) 2022 by Rob Wing <rob.wing@klarasystems.com>
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#
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# DESCRIPTION:
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# Verify that vdev properties, checksum_n and checksum_t, work with ZED.
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#
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# STRATEGY:
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# 1. Create a pool with single vdev
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# 2. Set checksum_n/checksum_t to non-default values
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# 3. Inject checksum errors
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# 4. Verify that ZED degrades vdev
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#
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. $STF_SUITE/include/libtest.shlib
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. $STF_SUITE/tests/functional/events/events_common.kshlib
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verify_runnable "both"
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MOUNTDIR="$TEST_BASE_DIR/checksum_mount"
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FILEPATH="$MOUNTDIR/checksum_file"
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VDEV="$TEST_BASE_DIR/vdevfile.$$"
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POOL="checksum_pool"
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FILESIZE="10M"
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function cleanup
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{
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log_must zed_stop
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log_must zinject -c all
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if poolexists $POOL ; then
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destroy_pool $POOL
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fi
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log_must rm -fd $VDEV $MOUNTDIR
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}
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log_onexit cleanup
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log_assert "Test ZED checksum_N and checksum_T configurability"
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function do_setup
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{
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log_must zpool create -f -m $MOUNTDIR $POOL $VDEV
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log_must zpool events -c
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log_must truncate -s 0 $ZED_DEBUG_LOG
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log_must zfs set compression=off $POOL
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log_must zfs set primarycache=none $POOL
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log_must zfs set recordsize=512 $POOL
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}
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function do_clean
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{
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log_must zinject -c all
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log_must zpool destroy $POOL
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}
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function must_degrade
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{
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log_must wait_vdev_state $POOL $VDEV "DEGRADED" 60
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}
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function mustnot_degrade
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{
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log_must file_wait $ZED_DEBUG_LOG 5
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log_must wait_vdev_state $POOL $VDEV "ONLINE" 60
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}
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# Test default settings of ZED:
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# checksum_n=10
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# checksum_t=600
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# fire 10 events, should degrade.
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function default_degrade
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{
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do_setup
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log_must mkfile $FILESIZE $FILEPATH
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log_must zinject -a -t data -e checksum -T read -f 100 $FILEPATH
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blk=0
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for _ in {1..10}; do
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dd if=$FILEPATH of=/dev/null bs=1 count=1 skip=$blk 2>/dev/null
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blk=$((blk+512))
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done
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must_degrade
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do_clean
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}
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# Set checksum_t=1
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# fire 10 events over 2.5 seconds, should not degrade.
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function checksum_t_no_degrade
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{
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do_setup
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log_must zpool set checksum_t=1 $POOL $VDEV
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log_must mkfile $FILESIZE $FILEPATH
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log_must zinject -a -t data -e checksum -T read -f 100 $FILEPATH
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blk=0
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for _ in {1..10}; do
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dd if=$FILEPATH of=/dev/null bs=1 count=1 skip=$blk 2>/dev/null
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blk=$((blk+512))
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sleep 0.25
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done
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mustnot_degrade
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do_clean
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}
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# Set checksum_n=1
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# fire 1 event, should degrade.
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function checksum_n_degrade
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{
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do_setup
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log_must zpool set checksum_n=1 $POOL $VDEV
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log_must mkfile $FILESIZE $FILEPATH
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log_must zinject -a -t data -e checksum -T read -f 100 $FILEPATH
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dd if=$FILEPATH of=/dev/null bs=1 count=1 2>/dev/null
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must_degrade
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do_clean
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}
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log_must truncate -s $MINVDEVSIZE $VDEV
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log_must mkdir -p $MOUNTDIR
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log_must zed_start
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default_degrade
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checksum_n_degrade
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checksum_t_no_degrade
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log_pass "Test ZED checksum_N and checksum_T configurability"

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