Re: UNS: who/what uses my CPU?
On Wed, 28 Feb 2007 17:16:57 +0100, Mitja wrote in message
<45E5AAF9.8010206@kivem.org>:
> Steffan Davies wrote:
> > From "man top":
> >
> > wa -- iowait
> > Amount of time the CPU has been waiting for I/O to complete.
> Ups, I've checked the man pages but I guess I missed this line.
> > Something is doing lots of IO (probably disk IO). Have a look at the
> > output of iostat (part of the sysstat package) to find out a little
> > more about what sort of activity is going on.
>
> This usually happens after NFS connection crash. So far I repaired it
> by rebooting, but next time I will try what you suggested.
..also chk your disks for io errors, recent disks have s.m.a.r.t logs
which you can chk and monitor to help spot dying disks earlier.
--
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
Scenarios always come in sets of three:
best case, worst case, and just in case.
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