High await numbers
Jack
quiet_celt at yahoo.com
Tue Mar 29 09:10:50 CST 2005
1) How long as this been happening? Is it something
new? Something just noticed? Something that has always
been?
2) What does cfdisk/fdisk say about your partitions?
Could you post a "screenshot" of fdisk stats on the
drive?
Brian D.
--- Jonathan Hutchins <hutchins at tarcanfel.org> wrote:
> I'm getting very suspicious numbers for the average
> wait time on my swap
> partition (hda3). The iostat -x output doesn't look
> very good wrapped for
> email, but I'm seeing await over 3000 ms, and svctm
> over 2000. What's really
> surprising about this is that the system is using
> the swap partition, but
> doesn't seem to be actively swapping - vmstat shows
> 0 si/so most of the time.
>
> Smart monitoring daemon isn't reporting any problems
> with the drive, and fsck
> doesn't show any errors.
>
> I did read somewhere that Redhat's iostat sometimes
> produces anamolous
> readings, but the other readings on the drive look
> reasonable.
>
> Anybody have ideas on how I can pursue this issue
> further?
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