numam-spdk/test/ftl/dirty_shutdown.sh
Pawel Kaminski 0a993323f9 rpc: Rename start_nbd_disk to nbd_start_disk
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>
2019-09-19 20:56:35 +00:00

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#!/usr/bin/env bash
testdir=$(readlink -f $(dirname $0))
rootdir=$(readlink -f $testdir/../..)
source $rootdir/test/common/autotest_common.sh
source $testdir/common.sh
rpc_py=$rootdir/scripts/rpc.py
pu_start=0
pu_end=3
while getopts ':u:c:' opt; do
case $opt in
u) uuid=$OPTARG ;;
c) nv_cache=$OPTARG ;;
?) echo "Usage: $0 [-u UUID] [-c NV_CACHE_PCI_BDF] OCSSD_PCI_BDF" && exit 1 ;;
esac
done
shift $((OPTIND -1))
device=$1
restore_kill() {
rm -f $testdir/config/ftl.json
rm -f $testdir/testfile.md5
rm -f $testdir/testfile2.md5
$rpc_py bdev_ftl_delete -b nvme0 || true
killprocess $svcpid || true
rmmod nbd || true
}
trap "restore_kill; exit 1" SIGINT SIGTERM EXIT
chunk_size=$(get_chunk_size $device)
pu_count=$(($pu_end - $pu_start + 1))
# Write one band worth of data + one extra chunk
data_size=$(($chunk_size * ($pu_count + 1)))
$rootdir/app/spdk_tgt/spdk_tgt & svcpid=$!
waitforlisten $svcpid
if [ -n "$nv_cache" ]; then
nvc_bdev=$(create_nv_cache_bdev nvc0 $device $nv_cache $pu_count)
fi
ftl_construct_args="bdev_ftl_create -b nvme0 -a $device -l $pu_start-$pu_end -o"
[ -n "$nvc_bdev" ] && ftl_construct_args+=" -c $nvc_bdev"
[ -n "$uuid" ] && ftl_construct_args+=" -u $uuid"
$rpc_py $ftl_construct_args
# Load the nbd driver
modprobe nbd
$rpc_py nbd_start_disk nvme0 /dev/nbd0
waitfornbd nbd0
$rpc_py save_config > $testdir/config/ftl.json
dd if=/dev/urandom of=/dev/nbd0 bs=4K count=$data_size oflag=dsync
# Calculate checksum of the data written
dd if=/dev/nbd0 bs=4K count=$data_size | md5sum > $testdir/testfile.md5
$rpc_py stop_nbd_disk /dev/nbd0
# Force kill bdev service (dirty shutdown) and start it again
kill -9 $svcpid
rm -f /dev/shm/spdk_tgt_trace.pid$svcpid
$rootdir/app/spdk_tgt/spdk_tgt -L ftl_init & svcpid=$!
waitforlisten $svcpid
$rpc_py load_config < $testdir/config/ftl.json
waitfornbd nbd0
# Write extra data after restore
dd if=/dev/urandom of=/dev/nbd0 bs=4K count=$chunk_size seek=$data_size oflag=dsync
# Save md5 data
dd if=/dev/nbd0 bs=4K count=$chunk_size skip=$data_size | md5sum > $testdir/testfile2.md5
# Make sure all data will be read from disk
echo 3 > /proc/sys/vm/drop_caches
# Verify that the checksum matches and the data is consistent
dd if=/dev/nbd0 bs=4K count=$data_size | md5sum -c $testdir/testfile.md5
dd if=/dev/nbd0 bs=4K count=$chunk_size skip=$data_size | md5sum -c $testdir/testfile2.md5
report_test_completion ftl_dirty_shutdown
trap - SIGINT SIGTERM EXIT
restore_kill