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tromcho.net/tests/test_snapshot_pool2.sh

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#!/bin/bash -ex
. `dirname $0`/run_3osds.sh
check_qemu
# snapshot in another pool
$VITASTOR_CLI create-pool testpool2 -s 3 -n 4 --failure_domain osd
wait_pool_up 30 2 3 4
$VITASTOR_CLI create -s 128M testchain -p testpool
$VITASTOR_FIO -bs=1M -direct=1 -iodepth=4 -fsync=1 -rw=write \
-image=testchain -mirror_file=./testdata/bin/mirror.bin -randrepeat=0
$VITASTOR_CLI snap-create testchain@snap1 -p testpool2
$VITASTOR_FIO -bs=4k -direct=1 -iodepth=4 -end_fsync=1 -rw=randwrite -number_ios=32 \
-image=testchain -mirror_file=./testdata/bin/mirror.bin -randrepeat=0
# Read from the first snapshot
$VITASTOR_CLI dd iimg=testchain of=./testdata/bin/res.bin bs=128k iodepth=4 --log_level 10
cmp ./testdata/bin/res.bin ./testdata/bin/mirror.bin
# Create a second snapshot - there was a bug where snapshotted reads from another pool
# were working only when the image and the snapshot were modified in the same revision
# (i.e. there was only one snapshot)
$VITASTOR_CLI snap-create testchain@snap2 -p testpool2
$VITASTOR_FIO -bs=4k -direct=1 -iodepth=4 -end_fsync=1 -rw=randwrite -number_ios=32 \
-image=testchain -mirror_file=./testdata/bin/mirror.bin -randrepeat=0
$VITASTOR_CLI dd iimg=testchain of=./testdata/bin/res.bin bs=128k iodepth=4 --log_level 10
cmp ./testdata/bin/res.bin ./testdata/bin/mirror.bin
$VITASTOR_CLI dd iimg=testchain of=./testdata/bin/res.bin bs=32k iodepth=4 conv=nosparse
cmp ./testdata/bin/res.bin ./testdata/bin/mirror.bin
qemu-img convert -p \
-f raw "vitastor:config_path=$VITASTOR_CFG:image=testchain" \
-O raw ./testdata/bin/res.bin
cmp ./testdata/bin/res.bin ./testdata/bin/mirror.bin
format_green OK