[GE users] Group membership limit?

udowaechter udo.waechter at uni-osnabrueck.de
Mon Sep 14 10:35:56 BST 2009

Hi, I wrote the mail below to the mailing list, beliveing that this 
problem might occur only under snow-leopard. Now I think that this might 
be a general OS-unrelated question.

Is there a limit to the number of groups a user can be a member of?
As I describe below, in Snow Leopard the user root is member of 19 
groups and GE fails to run jobs as that user.

Thanks for any help,

On 09/10/2009 11:12 AM, udowaechter wrote:
> Hello all,
> I have recently installed Snow Leopard on one of our exec hosts.
> there is a problem when users with many unix-groups are executing jobs.
> The jobs fail and set the queue in E state. The message is:
> job N failed on host XY general before job because: 09/10/2009 10:28:46
> [0:65820]: can't set additional group id (uid=0, euid=0): the user
> already has too many group ids
> What is the limit of groups-memberships in SGE 6.2u3. And why is it
> there? Can I reconfigure it, such that this error does not happen?
> Thanks,
> udo.

Institute of Cognitive Science - System Administration Team
      Albrechtstrasse 28 - 49076 Osnabrueck - Germany
       Tel: +49-541-969-3362 - Fax: +49-541-969-3361


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