Analyzing Disk Array Performance; Command Examples - HP Surestore Disk Array 12h - And FC60 System Administrator Manual

Using the ARM Command Line Utilities for HP-UX

Analyzing Disk Array Performance

Analyzing Disk Array Performance
The disk array monitors and stores a number of metrics that reflect how the disk array is performing. The
disk array management software periodically retrieves these performance metrics and stores them for your
viewing. The ARM software can also analyze the performance metrics to identify any potential performance
problems. Based on this analysis, recommendations are made on how to improve disk array performance.
Checking the metrics regularly is a quick and easy way for you to monitor the performance of the disk array
and identify any problems that may be developing. You may choose to display only the recommendations,
or you may want to view the metrics for further analysis.
For a complete description of each performance metric, refer to the HP SureStore E Disk Array 12H User's
and Service Manual. You can also view the arraydsp man page for a complete explanation of all the
performance command options.
To analyze disk array performance, type:
arraydsp { -r stime etime} | { -m stime etime [int] } <array-id>

Command Examples

The following command displays performance recommendations for disk array serial number
00786B5C0000. Performance is analyzed for the time period starting at 8:00 AM and ending at 5:00 PM
(1700) on March 15. The format of the stime and etime arguments is mmddhhmm[yy].
arraydsp -r 03150800 03151700 00786B5C0000
The following command displays the performance metrics for disk array serial number 00786B5C0000.
Metrics are displayed for the time period starting at 11:00 AM and ending at 6:00 PM on April 6. A display
interval of 30 minutes is specified.
arraydsp -m 04061100 04061800 2 00786B5C0000
48