[torqueusers] torque server on a virtual machine

Clotho Tsang wytsang at clustertech.com
Tue Jan 29 23:48:45 MST 2013


I also run Torque on KVM. It works.

Check your /etc/hosts or DNS to see whether there is wrong mapping between
hostnames and IPs.


On 22 January 2013 05:04, Thomas Exner <thomas.exner at uni-konstanz.de> wrote:

> Dear torque users and developers:
>
> I have a very strange problem. I set up a kernel-based virtual machine
> (KVM) on an OpenSuse 12.1 system. This virtual machine should be used as
> the torque server for a small cluster. Installation went fine but when
> the first client tries to connect, I get thousands of these error massages:
> PBS_Server;Svr;PBS_Server;LOG_ERROR::is_request, bad attempt to connect
> from 10.0.2.2:1023 (address not trusted - check entry in
> server_priv/nodes)
>
> The funny thing is that the IP address is not the IP of the client
> (10.0.2.11) but of the host running the virtual machine (10.0.2.2). Thus
> it seems that torque thinks that the request is coming from the
> KVM-server host and not the torque client. But there is definitely no
> pbs_mom running on 10.0.2.2. If 10.0.2.2 is added to the nodes file,
> pbsnodes shows this machine but with the data of 10.0.2.11. This has
> definitely something to do with the network setup to get KVM to work.
> For this a network bridge is needed. Does anyone know if this bridge is
> the problem and if I can configure it to send the original IP?
> Unfortunately, my knowledge about such a setting is very limited. But
> everything except torque seems to run nicely. Any other idea?
>
> Thank you very much.
> Thomas
>
> --
>
> ________________________________________________________________________________
>
> Dr. Thomas E. Exner
> Theoretische Pharmazeutische Chemie & Biophysik
> Lehrstuhl Pharmazeutische Chemie
> Pharmazeutisches Institut
> Eberhard Karls Universität Tübingen
> Auf der Morgenstelle 8 (Haus B)
> 72076 Tübingen
> Germany
>
> Tel.:    +49-(0)7071-2976969
> Mobil:   +49-(0)171-3807485
> Fax:     +49-(0)7071-295637
> E-Mail:  Thomas.Exner[at]uni-tuebingen.de
>
> Fachbereich Chemie  und Zukunftskolleg
> Universität Konstanz
> 78457 Konstanz
> Germany
>
> Tel.:   +49-(0)7531-882015
> Fax:    +49-(0)7531-883587
> E-Mail: Thomas.Exner[at]uni-konstanz.de
>
> ________________________________________________________________________________
>
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>



-- 
Clotho Tsang
Senior Software Engineer
Cluster Technology Limited
Email: clotho at clustertech.com
Tel: (852) 2655-6129
Fax: (852) 2994-2101
Website: www.clustertech.com
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