Test sequence

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For each test variation, the sequence of major control steps described in this section was performed.

The steps were as follows:

  1. The z/VMs on both test LPARs are IPLed as the only LPARs running on the CEC.
  2. The ISFC logical link between the z/VM® members is reconfigured according to the requirements of the test variation
  3. Monitoring is started
  4. The guest used for the test is started on one z/VM
  5. The workload is started within the Linux™ guest operating system with a 10 minutes runtime
  6. The workload execution is allowed to stabilize, in order to produce a comparable processor and memory usage pattern
  7. After 7 minutes, the guest virtual machine is relocated to the other z/VM, while continuing to execute the workload
  8. After the termination of the workload the test ends.
  9. Data gathered from each run:
    • Workload specific performance data (e.g. throughput)
    • z/VM monitor data
    • Linux syststat tool output (sadc/sar)