3PAR InForm® OS 2.2.4 CLI Administrator's Manual (320-200113 Rev A, March 2009)

12.4
Viewing Statistics
3PAR InForm OS CLI Administrator’s Manual InForm OS Version 2.2.4
You can use additional filters to refine the data output. Refer to the InForm OS Command
Line Reference for complete details about
statvlun command options and for sample
command data output.
12.2.4 Viewing Virtual Volume Statistics
 To view virtual volume statistics, issue the statvv command.
By default, statistics for virtual volume read and write operations are displayed together.
You can optionally display statistics for volume reads and writes separately by issuing the
statvv -rw command.
You can use additional filters to refine the data output. Refer to the InForm OS Command
Line Reference for complete details about
statvv command options and for sample
command data output.
12.2.5 Viewing Statistics for Data Cache Memory
 To view data cache memory statistics, issue the statcmp command.
By default, data cache memory statistics are displayed by node. You can optionally display
data cache memory statistics by virtual volume by issue the
statcmp -v command.
You can use additional filters to refine the data output. Refer to the InForm OS Command
Line Reference for complete details about
statcmp command options and for sample
command data output.
12.2.6 Viewing Statistics for CPU Usage
 To view statistics for CPU usage from all nodes, issue the statcpu command.
Refer to the InForm OS Command Line Reference for complete details about
statcpu
command options and for sample command data output.
NOTE: Virtual volumes may be accessed externally by hosts and internally by the
system prefetcher. When viewing virtual volume I/O statistics, the information
provided by the InForm CLI includes access by the prefetcher. To see only external
I/O statistics, view the VLUN statistics for a specific virtual volume/host
combination.