endless loop ?

Steffen Grunewald steffen.grunewald at aei.mpg.de
Mon Jun 6 16:01:40 CEST 2005

On Mon, Jun 06, 2005 at 03:41:47PM +0200, Steffen Grunewald wrote:
> On Mon, Jun 06, 2005 at 03:33:12PM +0200, Thomas Lange wrote:
> >     > 05-06-06:15:09:53       n021 TASKEND chboot 3
> > 
> >     > How can this happen?
> > If task chboot fails, the node get the install clients during the next
> > boot. So a new installation is startet. Check if user fai has write
> > permissions on /boot/fai/pxelinux.cfg and always read the log files :-)
> OK, so it's not endless, but in some cases it takes a few attempts.
> (20 minutes instead of 5...) Which means that the setup is OK (nothing 
> changed). And I cannot read the log files since they don't get transferred
> to the server :-( 
> I might choose -F instead of -B - and would probably find out that the
> effect had disappeared completely ...
> Perhaps it'd be a nice idea to give chboot a second chance (or send some
> extended information about the error).
> Trying to find out where RC == 3 comes from now,
>  Steffen

Just had an idea that the reason might be some "security" feature built 
into inetd, so I changed "nowait" to "nowait.400" for remote access, and 
successfully ran an installation of 20 more nodes, without going into
the loop again. Now I'm ready for The Big One: 100 nodes in one go!


Steffen Grunewald * MPI fuer Gravitationsphysik (Albert-Einstein-Institut)
SciencePark Golm, Am Mühlenberg 1, D-14476 Potsdam * http://www.aei.mpg.de
* e-mail: steffen.grunewald(*)aei.mpg.de * +49-331-567-{fon:7233,fax:7298}
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