Spdk/test/nvmf/target/ns_hotplug_stress.sh
Jim Harris ab0a3f8f33 nvmf: do not pause a namespace when resizing
SPDK block devices can only be resized up when
it is open. So there is no need to pause the
associated namespace itself when resized - just
pausing the subsystem is enough.

Also modify the ns_hotplug_test to do null bdev
resizing - this will help test this resize code path.

Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I3cb7b9de0892c296f2abf2280bed434d18ebe6b5
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/6467
Community-CI: Broadcom CI
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
Reviewed-by: <dongx.yi@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
2021-02-22 10:05:11 +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 $rootdir/test/nvmf/common.sh
rpc_py="$rootdir/scripts/rpc.py"
nvmftestinit
nvmfappstart -m 0xE
null_size=1000
$rpc_py nvmf_create_transport $NVMF_TRANSPORT_OPTS -u 8192
$rpc_py nvmf_create_subsystem nqn.2016-06.io.spdk:cnode1 -a -s SPDK00000000000001 -m 10
$rpc_py nvmf_subsystem_add_listener nqn.2016-06.io.spdk:cnode1 -t $TEST_TRANSPORT -a $NVMF_FIRST_TARGET_IP -s $NVMF_PORT
$rpc_py bdev_malloc_create 32 512 -b Malloc0
$rpc_py bdev_delay_create -b Malloc0 -d Delay0 -r 1000000 -t 1000000 -w 1000000 -n 1000000
$rpc_py nvmf_subsystem_add_ns nqn.2016-06.io.spdk:cnode1 Delay0
$rpc_py bdev_null_create NULL1 $null_size 512
$rpc_py nvmf_subsystem_add_ns nqn.2016-06.io.spdk:cnode1 NULL1
# Note: use -Q option to rate limit the error messages that perf will spew due to the
# namespace hotplugs
$SPDK_EXAMPLE_DIR/perf -c 0x1 -r "trtype:$TEST_TRANSPORT adrfam:IPv4 traddr:$NVMF_FIRST_TARGET_IP trsvcid:$NVMF_PORT" \
-t 30 -q 128 -w randread -o 512 -Q 1000 &
PERF_PID=$!
while kill -0 $PERF_PID; do
$rpc_py nvmf_subsystem_remove_ns nqn.2016-06.io.spdk:cnode1 1
$rpc_py nvmf_subsystem_add_ns nqn.2016-06.io.spdk:cnode1 Delay0
# Also test bdev/namespace resizing here, since it has a similar
# effect on subsystem/namespace handling in the nvmf target
null_size=$((null_size + 1))
$rpc_py bdev_null_resize NULL1 $null_size
done
wait $PERF_PID
trap - SIGINT SIGTERM EXIT
nvmftestfini