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SubjectRe: strange disk activity
On Wed, 27 Mar 1996, Stephen Tweedie wrote:

> Hi,
>
> In article <Pine.LNX.3.91.960327011208.199D-100000@gytha.demon.co.uk>,
> Bryn Paul Arnold Jones <bpaj@gytha.demon.co.uk> writes:
>
> > On Wed, 27 Mar 1996, Ronald Wahl wrote:
> >> Since 1.3.7x (I suppose since 1.3.77) I notice a access to my scsi-disk
> >> with the root filesystem every 8-10 seconds. There are no active
> >> processes. There are no unusual syslog entries.
> >>
> >> Any suggestions what the reason can be?
> >>
> > Low priority swaping (ie kswapd), anyone agree ?
>
> Probably not. kswapd, if it is doing low-priority swapping, activates
> 4 times a second, not once every few seconds. However, swapping in
> general could be the cause, if there are background daemons waking up
> for a quick look at the world every so often.

Which deamons will do this (look at the top output I mailed recently)?
Also there is no need to swap because there is enough free memory.

> Also bear in mind that even reading a file will cause a write in a few
> seconds time, as the last-access timestamp gets updated on disk.

There is nothing running every 10 seconds.

ron

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