Extremely High IOWAIT

From: Baillargeon, Sonny (Sonny.Baillargeon@bmonb.com)
Date: Fri Apr 16 2004 - 08:56:37 EDT


My system suddenly has a consistently high 90+% IOWAIT. I believe it
happened after the latest recommended on sunsolve. vmstat reports the
machine being idle but mpstat reports the same as top, very high IOWAIT.

Is there a way to check what processes are using IOWAIT. This is not
disk accessing as SAR reports very quiet disks.

Thanks,
Sonny

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