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iotests: Add test for oVirt-like storage migration
Signed-off-by: Max Reitz <mreitz@redhat.com> Message-id: 20160610185750.30956-6-mreitz@redhat.com Reviewed-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
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Max Reitz
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298c6009dc
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3dd48fdc55
174
tests/qemu-iotests/156
Executable file
174
tests/qemu-iotests/156
Executable file
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#!/bin/bash
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#
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# Tests oVirt-like storage migration:
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# - Create snapshot
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# - Create target image with (not yet existing) target backing chain
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# (i.e. just write the name of a soon-to-be-copied-over backing file into it)
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# - drive-mirror the snapshot to the target with mode=existing and sync=top
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# - In the meantime, copy the original source files to the destination via
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# conventional means (i.e. outside of qemu)
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# - Complete the drive-mirror job
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# - Delete all source images
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#
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# Copyright (C) 2016 Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# creator
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owner=mreitz@redhat.com
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seq="$(basename $0)"
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echo "QA output created by $seq"
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here="$PWD"
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status=1 # failure is the default!
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_cleanup()
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{
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rm -f "$TEST_IMG{,.target}{,.backing,.overlay}"
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}
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trap "_cleanup; exit \$status" 0 1 2 3 15
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# get standard environment, filters and checks
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. ./common.rc
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. ./common.filter
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. ./common.qemu
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_supported_fmt qcow2 qed
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_supported_proto generic
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_supported_os Linux
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# Create source disk
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TEST_IMG="$TEST_IMG.backing" _make_test_img 1M
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_make_test_img -b "$TEST_IMG.backing" 1M
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$QEMU_IO -c 'write -P 1 0 256k' "$TEST_IMG.backing" | _filter_qemu_io
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$QEMU_IO -c 'write -P 2 64k 192k' "$TEST_IMG" | _filter_qemu_io
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_launch_qemu -drive if=none,id=source,file="$TEST_IMG"
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_send_qemu_cmd $QEMU_HANDLE \
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"{ 'execute': 'qmp_capabilities' }" \
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'return'
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# Create snapshot
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TEST_IMG="$TEST_IMG.overlay" _make_test_img -b "$TEST_IMG" 1M
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_send_qemu_cmd $QEMU_HANDLE \
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"{ 'execute': 'blockdev-snapshot-sync',
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'arguments': { 'device': 'source',
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'snapshot-file': '$TEST_IMG.overlay',
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'format': '$IMGFMT',
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'mode': 'existing' } }" \
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'return'
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# Write something to the snapshot
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_send_qemu_cmd $QEMU_HANDLE \
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"{ 'execute': 'human-monitor-command',
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'arguments': { 'command-line':
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'qemu-io source \"write -P 3 128k 128k\"' } }" \
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'return'
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# Create target image
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TEST_IMG="$TEST_IMG.target.overlay" _make_test_img -b "$TEST_IMG.target" 1M
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# Mirror snapshot
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_send_qemu_cmd $QEMU_HANDLE \
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"{ 'execute': 'drive-mirror',
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'arguments': { 'device': 'source',
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'target': '$TEST_IMG.target.overlay',
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'mode': 'existing',
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'sync': 'top' } }" \
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'return'
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# Wait for convergence
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_send_qemu_cmd $QEMU_HANDLE \
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'' \
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'BLOCK_JOB_READY'
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# Write some more
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_send_qemu_cmd $QEMU_HANDLE \
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"{ 'execute': 'human-monitor-command',
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'arguments': { 'command-line':
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'qemu-io source \"write -P 4 192k 64k\"' } }" \
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'return'
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# Copy source backing chain to the target before completing the job
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cp "$TEST_IMG.backing" "$TEST_IMG.target.backing"
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cp "$TEST_IMG" "$TEST_IMG.target"
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$QEMU_IMG rebase -u -b "$TEST_IMG.target.backing" "$TEST_IMG.target"
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# Complete block job
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_send_qemu_cmd $QEMU_HANDLE \
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"{ 'execute': 'block-job-complete',
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'arguments': { 'device': 'source' } }" \
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''
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_send_qemu_cmd $QEMU_HANDLE \
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'' \
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'BLOCK_JOB_COMPLETED'
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# Remove the source images
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rm -f "$TEST_IMG{,.backing,.overlay}"
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echo
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# Check online disk contents
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_send_qemu_cmd $QEMU_HANDLE \
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"{ 'execute': 'human-monitor-command',
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'arguments': { 'command-line':
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'qemu-io source \"read -P 1 0k 64k\"' } }" \
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'return'
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_send_qemu_cmd $QEMU_HANDLE \
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"{ 'execute': 'human-monitor-command',
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'arguments': { 'command-line':
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'qemu-io source \"read -P 2 64k 64k\"' } }" \
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'return'
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_send_qemu_cmd $QEMU_HANDLE \
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"{ 'execute': 'human-monitor-command',
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'arguments': { 'command-line':
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'qemu-io source \"read -P 3 128k 64k\"' } }" \
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'return'
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_send_qemu_cmd $QEMU_HANDLE \
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"{ 'execute': 'human-monitor-command',
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'arguments': { 'command-line':
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'qemu-io source \"read -P 4 192k 64k\"' } }" \
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'return'
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echo
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_send_qemu_cmd $QEMU_HANDLE \
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"{ 'execute': 'quit' }" \
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'return'
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wait=1 _cleanup_qemu
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echo
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# Check offline disk contents
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$QEMU_IO -c 'read -P 1 0k 64k' \
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-c 'read -P 2 64k 64k' \
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-c 'read -P 3 128k 64k' \
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-c 'read -P 4 192k 64k' \
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"$TEST_IMG.target.overlay" | _filter_qemu_io
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echo
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# success, all done
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echo '*** done'
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rm -f $seq.full
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status=0
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48
tests/qemu-iotests/156.out
Normal file
48
tests/qemu-iotests/156.out
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QA output created by 156
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Formatting 'TEST_DIR/t.IMGFMT.backing', fmt=IMGFMT size=1048576
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576 backing_file=TEST_DIR/t.IMGFMT.backing
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wrote 262144/262144 bytes at offset 0
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256 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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wrote 196608/196608 bytes at offset 65536
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192 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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{"return": {}}
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Formatting 'TEST_DIR/t.IMGFMT.overlay', fmt=IMGFMT size=1048576 backing_file=TEST_DIR/t.IMGFMT
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{"return": {}}
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wrote 131072/131072 bytes at offset 131072
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128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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{"return": ""}
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Formatting 'TEST_DIR/t.IMGFMT.target.overlay', fmt=IMGFMT size=1048576 backing_file=TEST_DIR/t.IMGFMT.target
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{"return": {}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "source", "len": 131072, "offset": 131072, "speed": 0, "type": "mirror"}}
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wrote 65536/65536 bytes at offset 196608
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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{"return": ""}
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{"return": {}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_COMPLETED", "data": {"device": "source", "len": 196608, "offset": 196608, "speed": 0, "type": "mirror"}}
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read 65536/65536 bytes at offset 0
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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{"return": ""}
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read 65536/65536 bytes at offset 65536
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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{"return": ""}
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read 65536/65536 bytes at offset 131072
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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{"return": ""}
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read 65536/65536 bytes at offset 196608
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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{"return": ""}
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{"return": {}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "SHUTDOWN"}
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read 65536/65536 bytes at offset 0
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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read 65536/65536 bytes at offset 65536
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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read 65536/65536 bytes at offset 131072
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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read 65536/65536 bytes at offset 196608
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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*** done
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@ -155,3 +155,4 @@
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152 rw auto quick
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154 rw auto backing quick
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155 rw auto
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156 rw auto quick
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