IBM
C4040-332 · Question #109
An administrator is concerned about disk I/O and the impact this may have on a PowerHA cluster. The cluster nodes have virtual disks presented from dual VIO Servers. What action will improve PowerHA…
The correct answer is D. Tune I/O pacing with an initial high water mark of 33 and low of 24. See the full explanation below for the reasoning.
Question
An administrator is concerned about disk I/O and the impact this may have on a PowerHA cluster. The cluster nodes have virtual disks presented from dual VIO Servers. What action will improve PowerHA behavior during large disk writes?
Options
- ATune syncd to 60 seconds
- BTune cluster node disks qdepth to 16
- CTune hcheck_interval to 60 on all cluster node shared volumes
- DTune I/O pacing with an initial high water mark of 33 and low of 24
How the community answered
(31 responses)- A3% (1)
- B13% (4)
- C6% (2)
- D77% (24)
Community Discussion
No community discussion yet for this question.