[GE users] Group membership limit?

reuti reuti at staff.uni-marburg.de
Mon Sep 14 11:34:13 BST 2009


Hi,

Am 14.09.2009 um 11:35 schrieb udowaechter:

> 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.

AFAIK GE will only record the primary group. Hence it might occur  
when the additional group ID will be attached. Can you try on the Mac  
just to add some more groups - is this working?

-- Reuti


> Thanks for any help,
> udo.
>
> 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.
>
>
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