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+.. This work is licensed under a Creative Commons Attribution 4.0 International
+.. License.
+.. http://creativecommons.org/licenses/by/4.0
+.. (c) OPNFV, Huawei Tech and others.
+
+***************************************************
+POSCA Stress (Factor) Test of Multistack Storage
+***************************************************
+
+Test Case
+========
+
++--------------------------------------------------------------------------------------+
+|Bottlenecks POSCA Stress Test MultiStack Storage |
+| |
++--------------+-----------------------------------------------------------------------+
+|test case name| posca_factor_multistack_storage |
+| | |
++--------------+-----------------------------------------------------------------------+
+|description | Stress test regarding multistack storage using |
+| | yardstick as a runner |
++--------------+-----------------------------------------------------------------------+
+|configuration | config file: |
+| | /testsuite/posca/testcase_cfg/posca_factor_multistack_storage.yaml |
+| | |
+| | stack number: 5, 10, 20, 50 ... |
+| | |
++--------------+-----------------------------------------------------------------------+
+|test result | Read / Write IOPS, Throughput, latency |
+| | |
++--------------+-----------------------------------------------------------------------+
+
+Configuration
+============
+::
+
+ load_manager:
+ scenarios:
+ tool: fio
+ test_times: 10
+ rw: write, read, rw, rr, randomrw
+ bs: 4k
+ size: 50g
+ rwmixwrite: 50
+ num_stack: 1, 3
+ volume_num: 1
+ numjobs: 1
+ direct: 1
+
+ contexts:
+ stack_create: yardstick
+ flavor:
+ yardstick_test_ip:
+ yardstick_test_dir: "samples"
+ yardstick_testcase: "storage_bottlenecks"
+
+ dashboard:
+ dashboard: "y"
+ dashboard_ip: