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Fix snapshotted bitmap reads not working in EC pools (fix #92)

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This commit is contained in:
Vitaliy Filippov
2025-09-24 02:33:04 +03:00
parent 1e1f395947
commit cff08d2c72
4 changed files with 92 additions and 23 deletions
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tests/run_tests.sh
+2 -2
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@@ -71,6 +71,8 @@ SCHEME=ec ./test_heal.sh
ANTIETCD=1 ./test_heal.sh
./test_reweight_half.sh
./test_snapshot_pool2.sh
./test_snapshot_read_bitmap.sh
TEST_NAME=csum_32k_dmj OSD_ARGS="--data_csum_type crc32c --csum_block_size 32k --inmemory_metadata false --inmemory_journal false" OFFSET_ARGS=$OSD_ARGS ./test_heal.sh
TEST_NAME=csum_32k_dj OSD_ARGS="--data_csum_type crc32c --csum_block_size 32k --inmemory_journal false" OFFSET_ARGS=$OSD_ARGS ./test_heal.sh
@@ -82,8 +84,6 @@ TEST_NAME=csum_4k OSD_ARGS="--data_csum_type crc32c" OFFSET_ARGS=$OSD_ARGS
./test_resize.sh
./test_resize_auto.sh
./test_snapshot_pool2.sh
./test_osd_tags.sh
./test_enospc.sh
tests/test_snapshot_read_bitmap.sh
Executable
+39
View File
@@ -0,0 +1,39 @@
#!/bin/bash -ex
SCHEME=${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