FTL: Add restore tests
Additional tests testing clean shutdown/startup capability (both fast and slow shutdown paths). Additionally FIO tests can now run on the same FTL instance, instead of creating a new one for each test. Signed-off-by: Kozlowski Mateusz <mateusz.kozlowski@intel.com> Signed-off-by: Artur Paszkiewicz <artur.paszkiewicz@intel.com> Change-Id: I20cbd2fe0303b3e75bf7efca1623e223e2611f17 Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/13365 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Ben Walker <benjamin.walker@intel.com>
This commit is contained in:
Kozlowski Mateusz
Ben Walker
parent
86619848ec
commit
70c2bd8858
@ -52,7 +52,12 @@ fi
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l2p_dram_size_mb=$(($(get_bdev_size $split_bdev) * l2p_percentage / 100 / 1024))
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if [ -z "$uuid" ]; then
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# First FTL creation takes longer due to scrubbing, so extending the timeout
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$rpc_py -t $timeout bdev_ftl_create -b ftl0 -d $split_bdev -c $nv_cache --l2p_dram_limit $l2p_dram_size_mb
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else
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$rpc_py bdev_ftl_create -b ftl0 -d $split_bdev -c $nv_cache -u $uuid --l2p_dram_limit $l2p_dram_size_mb
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fi
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waitforbdev ftl0
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@ -60,8 +65,7 @@ waitforbdev ftl0
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echo '{"subsystems": ['
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$rpc_py save_subsystem_config -n bdev
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echo ']}'
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# Temporary hack so tests are always creating new instance, until clean restore is reintroduced later
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) | sed 's/"uuid": "[a-f0-9\-]\{36\}"/"uuid": "00000000-0000-0000-0000-000000000000"/g' > $FTL_JSON_CONF
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) > $FTL_JSON_CONF
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killprocess $svcpid
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trap - SIGINT SIGTERM EXIT
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@ -70,6 +70,8 @@ fi
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if [[ -z $SPDK_TEST_FTL_NIGHTLY ]]; then
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run_test "ftl_fio_basic" $testdir/fio.sh $device $nv_cache basic
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run_test "ftl_bdevperf" $testdir/bdevperf.sh $device $nv_cache
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run_test "ftl_restore" $testdir/restore.sh -c $nv_cache $device
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run_test "ftl_restore_fast" $testdir/restore.sh -f -c $nv_cache $device
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fi
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if [ $SPDK_TEST_FTL_EXTENDED -eq 1 ]; then
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105
test/ftl/restore.sh
Executable file
105
test/ftl/restore.sh
Executable file
@ -0,0 +1,105 @@
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#!/usr/bin/env bash
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testdir=$(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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mount_dir=$(mktemp -d)
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while getopts ':u:c:f' 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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f) fast_shutdown=1 ;;
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?) echo "Usage: $0 [-f] [-u UUID] [-c NV_CACHE_PCI_BDF] BASE_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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timeout=240
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restore_kill() {
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if mount | grep $mount_dir; then
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umount $mount_dir
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fi
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rm -rf $mount_dir
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rm -f $testdir/testfile.md5
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rm -f $testdir/testfile2.md5
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rm -f $testdir/config/ftl.json
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killprocess $svcpid
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rmmod nbd || true
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remove_shm
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}
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trap "restore_kill; exit 1" SIGINT SIGTERM EXIT
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"$SPDK_BIN_DIR/spdk_tgt" &
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svcpid=$!
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# Wait until spdk_tgt starts
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waitforlisten $svcpid
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split_bdev=$(create_base_bdev nvme0 $device $((1024 * 101)))
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if [ -n "$nv_cache" ]; then
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nvc_bdev=$(create_nv_cache_bdev nvc0 $nv_cache $split_bdev)
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fi
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l2p_dram_size_mb=$(($(get_bdev_size $split_bdev) * 10 / 100 / 1024))
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ftl_construct_args="bdev_ftl_create -b ftl0 -d $split_bdev --l2p_dram_limit $l2p_dram_size_mb"
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[ -n "$uuid" ] && ftl_construct_args+=" -u $uuid"
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[ -n "$nv_cache" ] && ftl_construct_args+=" -c $nvc_bdev"
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$rpc_py -t $timeout $ftl_construct_args
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# Load the nbd driver
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modprobe nbd
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$rpc_py nbd_start_disk ftl0 /dev/nbd0
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waitfornbd nbd0
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$rpc_py save_config > $testdir/config/ftl.json
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# Prepare the disk by creating ext4 fs and putting a file on it
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make_filesystem ext4 /dev/nbd0
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mount /dev/nbd0 $mount_dir
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dd if=/dev/urandom of=$mount_dir/testfile bs=4K count=256K
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sync
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mount -o remount /dev/nbd0 $mount_dir
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md5sum $mount_dir/testfile > $testdir/testfile.md5
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umount $mount_dir
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# Kill bdev service and start it again
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if [ "$fast_shutdown" -eq "1" ]; then
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$rpc_py bdev_ftl_delete -b ftl0 --fast_shutdown
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else
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$rpc_py bdev_ftl_delete -b ftl0
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fi
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killprocess $svcpid
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"$SPDK_BIN_DIR/spdk_tgt" -L ftl_init &
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svcpid=$!
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# Wait until spdk_tgt starts
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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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mount /dev/nbd0 $mount_dir
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# Write second file, to make sure writer thread has restored properly
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dd if=/dev/urandom of=$mount_dir/testfile2 bs=4K count=256K
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md5sum $mount_dir/testfile2 > $testdir/testfile2.md5
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# Make sure second file will be read from disk
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echo 3 > /proc/sys/vm/drop_caches
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# Check both files have proper data
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md5sum -c $testdir/testfile.md5
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md5sum -c $testdir/testfile2.md5
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trap - SIGINT SIGTERM EXIT
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restore_kill
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