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tromcho.net/tests/test_snapshot_read_bitmap.sh
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#!/bin/bash -ex
SCHEME=${SCHEME:-ec}
. `dirname $0`/run_3osds.sh
check_qemu
build/src/cmd/vitastor-cli --etcd_address $ETCD_URL create -s 128M testchain
dd if=/dev/zero of=./testdata/bin/mirror.bin bs=4k seek=$(((128*1024-4)/4)) count=1
LD_PRELOAD="build/src/client/libfio_vitastor.so" \
fio -thread -name=test -ioengine=build/src/client/libfio_vitastor.so -bs=32k -direct=1 -iodepth=4 -end_fsync=1 -rw=randwrite \
-etcd=$ETCD_URL -image=testchain -mirror_file=./testdata/bin/mirror.bin -buffer_pattern=0xabcd -number_ios=1024
build/src/cmd/vitastor-cli --etcd_address $ETCD_URL snap-create testchain@snap1
LD_PRELOAD="build/src/client/libfio_vitastor.so" \
fio -thread -name=test -ioengine=build/src/client/libfio_vitastor.so -bs=4k -direct=1 -iodepth=4 -end_fsync=1 -rw=randwrite -number_ios=32 \
-etcd=$ETCD_URL -image=testchain -mirror_file=./testdata/bin/mirror.bin -buffer_pattern=0xabcd
# Now read from the snapshot
dd if=/dev/zero of=./testdata/bin/res.bin bs=4k seek=$(((128*1024-4)/4)) count=1
build/src/cmd/vitastor-cli --etcd_address $ETCD_URL dd iimg=testchain of=./testdata/bin/res.bin bs=$((PG_DATA_SIZE*128))k iodepth=4 --log_level 10
cmp ./testdata/bin/res.bin ./testdata/bin/mirror.bin
build/src/cmd/vitastor-cli --etcd_address $ETCD_URL dd iimg=testchain of=./testdata/bin/res.bin bs=$((PG_DATA_SIZE*128))k iodepth=4 conv=nosparse
cmp ./testdata/bin/res.bin ./testdata/bin/mirror.bin
qemu-img convert -p \
-f raw "vitastor:etcd_host=127.0.0.1\:$ETCD_PORT/v3:image=testchain" \
-O raw ./testdata/bin/res.bin
cmp ./testdata/bin/res.bin ./testdata/bin/mirror.bin
format_green OK