xref: /spdk/test/nvmf/target/multipath.sh (revision f869197b76ff6981e901b6d9a05789e1b993494a)
1#!/usr/bin/env bash
2
3testdir=$(readlink -f $(dirname $0))
4rootdir=$(readlink -f $testdir/../../..)
5source $rootdir/test/common/autotest_common.sh
6source $rootdir/test/nvmf/common.sh
7
8MALLOC_BDEV_SIZE=64
9MALLOC_BLOCK_SIZE=512
10
11rpc_py="$rootdir/scripts/rpc.py"
12
13function check_ana_state() {
14	local subsys_id=$1
15	local ctrl_id=$2
16	local ana_state=$3
17	# Very rarely a connection is lost and Linux NVMe host tries reconnecting
18	# after 10 seconds delay. For this case, set a sufficiently long timeout.
19	# Linux NVMe host usually recognizes the new ANA state within 2 seconds.
20	local timeout=20
21
22	while [ $(cat /sys/block/nvme"$subsys_id"c"$ctrl_id"n1/ana_state) != "$ana_state" ]; do
23		sleep 1
24		if ((timeout-- == 0)); then
25			echo "timeout before ANA state (nvme$subsys_id c$ctrl_id) becomes $ana_state"
26			return 1
27		fi
28	done
29}
30
31nvmftestinit
32
33if [ -z $NVMF_SECOND_TARGET_IP ]; then
34	echo "only one NIC for nvmf test"
35	nvmftestfini
36	exit 0
37fi
38
39if [ "$TEST_TRANSPORT" != "tcp" ]; then
40	echo "run this test only with TCP transport for now"
41	nvmftestfini
42	exit 0
43fi
44
45nvmfappstart -m 0xF
46
47$rpc_py nvmf_create_transport $NVMF_TRANSPORT_OPTS -u 8192
48
49$rpc_py bdev_malloc_create $MALLOC_BDEV_SIZE $MALLOC_BLOCK_SIZE -b Malloc0
50$rpc_py nvmf_create_subsystem nqn.2016-06.io.spdk:cnode1 -a -s SPDK00000000000001 -r
51$rpc_py nvmf_subsystem_add_ns nqn.2016-06.io.spdk:cnode1 Malloc0
52$rpc_py nvmf_subsystem_add_listener nqn.2016-06.io.spdk:cnode1 -t $TEST_TRANSPORT -a $NVMF_FIRST_TARGET_IP -s $NVMF_PORT
53$rpc_py nvmf_subsystem_add_listener nqn.2016-06.io.spdk:cnode1 -t $TEST_TRANSPORT -a $NVMF_SECOND_TARGET_IP -s $NVMF_PORT
54
55nvme connect -t $TEST_TRANSPORT -n "nqn.2016-06.io.spdk:cnode1" -a "$NVMF_FIRST_TARGET_IP" -s "$NVMF_PORT" -g -G
56nvme connect -t $TEST_TRANSPORT -n "nqn.2016-06.io.spdk:cnode1" -a "$NVMF_SECOND_TARGET_IP" -s "$NVMF_PORT" -g -G
57
58waitforserial "$NVMF_SERIAL"
59
60# We assume only a single subsystem.
61subsys_id=$(nvme list-subsys | sed -n 's/nqn.2016-06.io.spdk:cnode1//p' | sed 's/[^0-9]*//g')
62ctrl1_id=$(nvme list-subsys | sed -n "s/traddr=$NVMF_FIRST_TARGET_IP trsvcid=$NVMF_PORT//p" | sed 's/[^0-9]*//g')
63ctrl2_id=$(nvme list-subsys | sed -n "s/traddr=$NVMF_SECOND_TARGET_IP trsvcid=$NVMF_PORT//p" | sed 's/[^0-9]*//g')
64
65check_ana_state "$subsys_id" "$ctrl1_id" "optimized"
66check_ana_state "$subsys_id" "$ctrl2_id" "optimized"
67
68# Set IO policy to numa
69echo numa > /sys/class/nvme-subsystem/nvme-subsys$subsys_id/iopolicy
70
71$rootdir/scripts/fio-wrapper -p nvmf -i 4096 -d 128 -t randrw -r 6 -v &
72fio_pid=$!
73
74sleep 1
75
76$rpc_py nvmf_subsystem_listener_set_ana_state nqn.2016-06.io.spdk:cnode1 -t $TEST_TRANSPORT -a "$NVMF_FIRST_TARGET_IP" -s "$NVMF_PORT" -n inaccessible
77$rpc_py nvmf_subsystem_listener_set_ana_state nqn.2016-06.io.spdk:cnode1 -t $TEST_TRANSPORT -a "$NVMF_SECOND_TARGET_IP" -s "$NVMF_PORT" -n non_optimized
78
79check_ana_state "$subsys_id" "$ctrl1_id" "inaccessible"
80check_ana_state "$subsys_id" "$ctrl2_id" "non-optimized"
81
82$rpc_py nvmf_subsystem_listener_set_ana_state nqn.2016-06.io.spdk:cnode1 -t $TEST_TRANSPORT -a "$NVMF_FIRST_TARGET_IP" -s "$NVMF_PORT" -n non_optimized
83$rpc_py nvmf_subsystem_listener_set_ana_state nqn.2016-06.io.spdk:cnode1 -t $TEST_TRANSPORT -a "$NVMF_SECOND_TARGET_IP" -s "$NVMF_PORT" -n inaccessible
84
85check_ana_state "$subsys_id" "$ctrl1_id" "non-optimized"
86check_ana_state "$subsys_id" "$ctrl2_id" "inaccessible"
87
88wait $fio_pid
89
90$rpc_py nvmf_subsystem_listener_set_ana_state nqn.2016-06.io.spdk:cnode1 -t $TEST_TRANSPORT -a "$NVMF_FIRST_TARGET_IP" -s "$NVMF_PORT" -n optimized
91$rpc_py nvmf_subsystem_listener_set_ana_state nqn.2016-06.io.spdk:cnode1 -t $TEST_TRANSPORT -a "$NVMF_SECOND_TARGET_IP" -s "$NVMF_PORT" -n optimized
92
93check_ana_state "$subsys_id" "$ctrl1_id" "optimized"
94check_ana_state "$subsys_id" "$ctrl2_id" "optimized"
95
96# Set IO policy to round-robin
97echo round-robin > /sys/class/nvme-subsystem/nvme-subsys$subsys_id/iopolicy
98
99$rootdir/scripts/fio-wrapper -p nvmf -i 4096 -d 128 -t randrw -r 6 -v &
100fio_pid=$!
101
102sleep 1
103
104$rpc_py nvmf_subsystem_listener_set_ana_state nqn.2016-06.io.spdk:cnode1 -t $TEST_TRANSPORT -a "$NVMF_FIRST_TARGET_IP" -s "$NVMF_PORT" -n inaccessible
105$rpc_py nvmf_subsystem_listener_set_ana_state nqn.2016-06.io.spdk:cnode1 -t $TEST_TRANSPORT -a "$NVMF_SECOND_TARGET_IP" -s "$NVMF_PORT" -n non_optimized
106
107check_ana_state "$subsys_id" "$ctrl1_id" "inaccessible"
108check_ana_state "$subsys_id" "$ctrl2_id" "non-optimized"
109
110$rpc_py nvmf_subsystem_listener_set_ana_state nqn.2016-06.io.spdk:cnode1 -t $TEST_TRANSPORT -a "$NVMF_FIRST_TARGET_IP" -s "$NVMF_PORT" -n non_optimized
111$rpc_py nvmf_subsystem_listener_set_ana_state nqn.2016-06.io.spdk:cnode1 -t $TEST_TRANSPORT -a "$NVMF_SECOND_TARGET_IP" -s "$NVMF_PORT" -n inaccessible
112
113check_ana_state "$subsys_id" "$ctrl1_id" "non-optimized"
114check_ana_state "$subsys_id" "$ctrl2_id" "inaccessible"
115
116wait $fio_pid
117
118nvme disconnect -n "nqn.2016-06.io.spdk:cnode1" || true
119waitforserial_disconnect "$NVMF_SERIAL"
120
121$rpc_py nvmf_delete_subsystem nqn.2016-06.io.spdk:cnode1
122
123rm -f ./local-job0-0-verify.state
124rm -f ./local-job1-1-verify.state
125
126trap - SIGINT SIGTERM EXIT
127
128nvmftestfini
129