SAN I/O monitor?

NeilCarter
2011-04-27
2013-05-08
  • NeilCarter

    NeilCarter - 2011-04-27

    Greetings:

    We've run into something of a quandary because top doesn't recognize SAN I/O activity when reporting I/O wait.

    Is there a way around this?

    Does a newer version allow for this?

    Thanks!

     
  • Dan Nelson

    Dan Nelson - 2011-04-27

    Top has no control over this.  It simply reports the statistics gathered by the kernel.  If your OS treats SAN volumes different from regular SCSI/SATA disks, that's an OS bug.  What OS are you running?  On linux, you can verify that this isn't a bug in top by running  "vmstat 1" to print the same statistics that top prints.  The "-cpu-" columns are the same ones top prints.

     

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