0a993323f9
Change-Id: I46722176726076fd8bbcfa681eb7316e30ecb07d Signed-off-by: Pawel Kaminski <pawelx.kaminski@intel.com> Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/468580 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Paul Luse <paul.e.luse@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Ben Walker <benjamin.walker@intel.com>
93 lines
2.4 KiB
Bash
Executable File
93 lines
2.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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testdir=$(readlink -f $(dirname $0))
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rootdir=$(readlink -f $testdir/../..)
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source $rootdir/test/common/autotest_common.sh
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source $testdir/common.sh
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rpc_py=$rootdir/scripts/rpc.py
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pu_start=0
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pu_end=3
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while getopts ':u:c:' opt; do
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case $opt in
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u) uuid=$OPTARG ;;
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c) nv_cache=$OPTARG ;;
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?) echo "Usage: $0 [-u UUID] [-c NV_CACHE_PCI_BDF] OCSSD_PCI_BDF" && exit 1 ;;
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esac
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done
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shift $((OPTIND -1))
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device=$1
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restore_kill() {
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rm -f $testdir/config/ftl.json
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rm -f $testdir/testfile.md5
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rm -f $testdir/testfile2.md5
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$rpc_py bdev_ftl_delete -b nvme0 || true
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killprocess $svcpid || true
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rmmod nbd || true
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}
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trap "restore_kill; exit 1" SIGINT SIGTERM EXIT
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chunk_size=$(get_chunk_size $device)
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pu_count=$(($pu_end - $pu_start + 1))
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# Write one band worth of data + one extra chunk
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data_size=$(($chunk_size * ($pu_count + 1)))
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$rootdir/app/spdk_tgt/spdk_tgt & svcpid=$!
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waitforlisten $svcpid
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if [ -n "$nv_cache" ]; then
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nvc_bdev=$(create_nv_cache_bdev nvc0 $device $nv_cache $pu_count)
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fi
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ftl_construct_args="bdev_ftl_create -b nvme0 -a $device -l $pu_start-$pu_end -o"
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[ -n "$nvc_bdev" ] && ftl_construct_args+=" -c $nvc_bdev"
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[ -n "$uuid" ] && ftl_construct_args+=" -u $uuid"
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$rpc_py $ftl_construct_args
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# Load the nbd driver
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modprobe nbd
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$rpc_py nbd_start_disk nvme0 /dev/nbd0
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waitfornbd nbd0
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$rpc_py save_config > $testdir/config/ftl.json
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dd if=/dev/urandom of=/dev/nbd0 bs=4K count=$data_size oflag=dsync
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# Calculate checksum of the data written
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dd if=/dev/nbd0 bs=4K count=$data_size | md5sum > $testdir/testfile.md5
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$rpc_py stop_nbd_disk /dev/nbd0
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# Force kill bdev service (dirty shutdown) and start it again
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kill -9 $svcpid
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rm -f /dev/shm/spdk_tgt_trace.pid$svcpid
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$rootdir/app/spdk_tgt/spdk_tgt -L ftl_init & svcpid=$!
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waitforlisten $svcpid
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$rpc_py load_config < $testdir/config/ftl.json
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waitfornbd nbd0
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# Write extra data after restore
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dd if=/dev/urandom of=/dev/nbd0 bs=4K count=$chunk_size seek=$data_size oflag=dsync
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# Save md5 data
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dd if=/dev/nbd0 bs=4K count=$chunk_size skip=$data_size | md5sum > $testdir/testfile2.md5
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# Make sure all data will be read from disk
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echo 3 > /proc/sys/vm/drop_caches
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# Verify that the checksum matches and the data is consistent
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dd if=/dev/nbd0 bs=4K count=$data_size | md5sum -c $testdir/testfile.md5
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dd if=/dev/nbd0 bs=4K count=$chunk_size skip=$data_size | md5sum -c $testdir/testfile2.md5
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report_test_completion ftl_dirty_shutdown
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trap - SIGINT SIGTERM EXIT
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restore_kill
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