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+#!/usr/bin/env bash
+# group: rw auto quick
+#
+# Test qemu-img check on duplicated clusters
+#
+# Copyright (c) 2022 Virtuozzo International GmbH
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+# creator natalia.kuzmina@openvz.org
+
+owner=alexander.ivanov@virtuozzo.com
+
+seq=`basename $0`
+echo "QA output created by $seq"
+
+status=1 # failure is the default!
+
+_cleanup()
+{
+ _cleanup_test_img
+}
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+# get standard environment, filters and checks
+. ./common.rc
+. ./common.filter
+. ./common.pattern
+
+_supported_fmt parallels
+_supported_proto file
+_supported_os Linux
+
+echo
+echo "using sample corrupted image"
+echo
+_use_sample_img parallels-2-duplicated-cluster.bz2
+
+CLUSTER_SIZE=65536
+
+#read one cluster from original offset
+$QEMU_IO -c "read -P 0x11 0 $CLUSTER_SIZE" "$TEST_IMG" | \
+ _filter_qemu_io
+#read from duplicated offset (data must be the same as on original offset)
+$QEMU_IO -c "read -P 0x11 $((4 * CLUSTER_SIZE)) $CLUSTER_SIZE" "$TEST_IMG" | \
+ _filter_qemu_io
+#change data from original offset
+$QEMU_IO -c "write -P 0x55 0 $CLUSTER_SIZE" "$TEST_IMG" | \
+ _filter_qemu_io
+#read from duplicated offset (data must be the same as on original offset)
+$QEMU_IO -c "read -P 0x55 $((4 * CLUSTER_SIZE)) $CLUSTER_SIZE" "$TEST_IMG" | \
+ _filter_qemu_io
+echo
+echo "check and repair the image for parallels format"
+echo
+_check_test_img -r all
+echo
+
+#read one cluster from original offset
+$QEMU_IO -c "read -P 0x55 0 $CLUSTER_SIZE" "$TEST_IMG" | \
+ _filter_qemu_io
+#read copied data from new offset
+$QEMU_IO -c "read -P 0x55 $((4 * CLUSTER_SIZE)) $CLUSTER_SIZE" "$TEST_IMG" | \
+ _filter_qemu_io
+#change data from original offset
+$QEMU_IO -c "write -P 0x11 0 $CLUSTER_SIZE" "$TEST_IMG" | \
+ _filter_qemu_io
+#read from new offset (fail, now this data was left unchanged)
+$QEMU_IO -c "read -P 0x11 $((4 * CLUSTER_SIZE)) $CLUSTER_SIZE" "$TEST_IMG" | \
+ _filter_qemu_io
+
+echo
+echo
+# success, all done
+echo "*** done"
+rm -f $seq.full
+status=0
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+QA output created by 314
+
+using sample corrupted image
+
+read 65536/65536 bytes at offset 0
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 65536/65536 bytes at offset 262144
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+wrote 65536/65536 bytes at offset 0
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 65536/65536 bytes at offset 262144
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+check and repair the image
+
+Repairing BAT offset in entry 4 duplicates offset in entry 0
+The following inconsistencies were found and repaired:
+
+ 0 leaked clusters
+ 1 corruptions
+
+Double checking the fixed image now...
+No errors were found on the image.
+
+read 65536/65536 bytes at offset 0
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 65536/65536 bytes at offset 262144
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+wrote 65536/65536 bytes at offset 0
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+Pattern verification failed at offset 262144, 65536 bytes
+read 65536/65536 bytes at offset 262144
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+
+*** done
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