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SubjectRe: strange disk activity
On Wed, 27 Mar 1996, Ronald Wahl wrote:

> On Wed, 27 Mar 1996, Bryn Paul Arnold Jones wrote:
>
> > On Wed, 27 Mar 1996, Ronald Wahl wrote:
> >
> > > On Wed, 27 Mar 1996, Bryn Paul Arnold Jones wrote:
> > > > Low priority swaping (ie kswapd), anyone agree ?
> > >
> > > kswapd runs with a nicevalue of -12 which means a high priority. But this
> > > can't be the reason for the disk activity - there is nothing to swap.
> > > cat /proc/meminfo doesn't change.
> > > I've measured the time between the disk accesses again and it is exact 10
> > > seconds.
> > >
> > Yep it does run with a huge nice value, but (I think) between mem usage
> > x, and y it swaps on a low priority, less than y and it swaps hard.
> >
> > Have you looked in your logs ? There could be something being written
> > there every 10 secs (sounds ominous).
>
> There is absolutely nothing and I log every little message
> (*.* in syslog.conf). The machine runs 24 hours and at night it is
> completely idle (only imapcopy runs every 15min and get mail from the
> mailserver) but every 10 second I hear a very short disk access (a "click").

It may be heat compensation. Every disk does it. bigger disk (usualy with
faster RPM) does it more often. 10 seconds is normal for some disks.

bye,

Or Tal <ortal@aquanet.co.il>



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