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…
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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
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