Displaying disk statistics

The Device Statistics (DVLSTATR) view, displays the statistics for devices that are attached to the monitored Linux system. The following statistics are displayed in the DVLSTATR view:

  • disk name
  • monitored Linux image
  • operations per second (average transfer rate)
  • average queue lengths
  • response time (seconds per operation)
  • input/output rate (pages per second and kilobytes per second)
  • blocks read per second
  • blocks written per second
  • paging device indication (indicates if a disk is a paging device)
  • page size (in bytes)
  • block size (in bytes)
  • major device number
  • minor device number


 DiskName Image     XferRate        %Active           AvgQuLen  RespTime I/
-------- -------- (ops/sec)        0.....50...100 ----------- (secs/op) (page
sda      JWAYGOOD      0.42   0.00                       0.00      0.00
sdb      JWAYGOOD      0.00   0.00                       0.00      0.00
sdc      JWAYGOOD      0.03   0.00                       0.00      0.00
hda      JWAYGOOD      0.00   0.00                       0.00      0.00 

By hyperlinking on the DiskName field, you can display the VMLVDEVR view that shows real-time VM minidisk information.

Related topic

Using-views


 

  • 1.5
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