c9c7c281f8
Part of #2256 * achieve * additionally * against * aliases * already * another * arguments * between * capabilities * comparison * compatibility * configuration * continuing * controlq * cpumask * default * depends * dereferenced * discussed * dissect * driver * environment * everything * excluded * existing * expectation * failed * fails * following * functions * hugepages * identifiers * implicitly * in_capsule * increment * initialization * initiator * integrity * iteration * latencies * libraries * management * namespace * negotiated * negotiation * nonexistent * number * occur * occurred * occurring * offsetting * operations * outstanding * overwhelmed * parameter * parameters * partition * preempts * provisioned * responded * segment * skipped * struct * subsystem * success * successfully * sufficiently * this * threshold * transfer * transferred * unchanged * unexpected * unregistered * useless * utility * value * variable * workload Change-Id: I21ca7dab4ef575b5767e50aaeabc34314ab13396 Signed-off-by: Josh Soref <jsoref@gmail.com> Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/10409 Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com> Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
46 lines
1.7 KiB
Bash
Executable File
46 lines
1.7 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 $rootdir/test/nvmf/common.sh
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MALLOC_BDEV_SIZE=64
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MALLOC_BLOCK_SIZE=512
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rpc_py="$rootdir/scripts/rpc.py"
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nvmftestinit
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nvmfappstart -m 0xF
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# create the rdma transport with an intentionally small SRQ depth
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$rpc_py nvmf_create_transport $NVMF_TRANSPORT_OPTS -u 8192 -s 1024
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for i in $(seq 0 5); do
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$rpc_py nvmf_create_subsystem nqn.2016-06.io.spdk:cnode$i -a -s SPDK00000000000001
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$rpc_py bdev_malloc_create $MALLOC_BDEV_SIZE $MALLOC_BLOCK_SIZE -b Malloc$i
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$rpc_py nvmf_subsystem_add_ns nqn.2016-06.io.spdk:cnode$i Malloc$i
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$rpc_py nvmf_subsystem_add_listener nqn.2016-06.io.spdk:cnode$i -t $TEST_TRANSPORT -a $NVMF_FIRST_TARGET_IP -s $NVMF_PORT
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nvme connect -t $TEST_TRANSPORT -n "nqn.2016-06.io.spdk:cnode${i}" -a "$NVMF_FIRST_TARGET_IP" -s "$NVMF_PORT" -i 16
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waitforblk "nvme${i}n1"
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done
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# by running 6 different FIO jobs, each with 13 subjobs, we end up with 78 fio threads trying to write to
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# our target at once. This completely overwhelms the target SRQ, but allows us to verify that rnr_retry is
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# working even at very high queue depths because the rdma qpair doesn't fail.
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# It is normal to see the initiator timeout and reconnect waiting for completions from an overwhelmed target,
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# but the connection should come up and FIO should complete without errors.
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$rootdir/scripts/fio-wrapper -p nvmf -i 1048576 -d 128 -t read -r 10 -n 13
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sync
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for i in $(seq 0 5); do
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nvme disconnect -n "nqn.2016-06.io.spdk:cnode${i}"
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$rpc_py nvmf_delete_subsystem nqn.2016-06.io.spdk:cnode$i
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done
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trap - SIGINT SIGTERM EXIT
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nvmftestfini
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