Re: 8.1.7 Linux: strange Harddisk activity

Connor McDonald wrote:
>
> Hermi wrote:
> >
> > hi,
> > on 8.1.6 and 8.1.7 Enterprise Edition
> > on Linux (SuSE 7.0) I found a strange behaviour:
> >
> > after the change from _nomount_ to _mount_
> > (the same as to _open_)
> > there is a rhytmic harddisk-activity every second.
> > rdrdrd .....1 second silence ..... rdrdrd .....
> >
> > - with and without a Listener running
> > - 256 MB RAM, unused Swapfile
> > - no network active.
> > - alert log shows no errors, except this:
> > Load Indicator not supported by OS !
> > - all background processes show zero-activity
> > soon after startup, so I cannot identify
> > one of them.
> >
> > This is specific to the Linux-Installation.
> > I played around with 8.1.5 and 8.1.6 Enterprise on
> > Windows NT 4 and NT 5 and found nothing
> > of that kind.
> >
> > I thought of SMON rearranging blocks in the
> > datafiles. But this behaviour lastet for
> > hours on an idle database with almost nothing
> > but system tablespace.
> >
> > any ideas ?
> >
> > --= Hermi =--
>
> LGWR writes a little info the control file - but I thought it was every
> 3 seconds not every 1...
>
> HTH
> --
> ===========================================
> Connor McDonald
> http://www.oracledba.co.uk (mirrored at
> http://www.oradba.freeserve.co.uk)
>
> "Some days you're the pigeon, some days you're the statue"

Sorry - of course I meant CKPT not LGWR...

Connor

-- 
===========================================
Connor McDonald
http://www.oracledba.co.uk (mirrored at
http://www.oradba.freeserve.co.uk)

"Some days you're the pigeon, some days you're the statue"