[Mauiusers] Maui/Torque and Fairshare with secondary Unix groups

Bas van der Vlies basv at sara.nl
Wed Jan 9 03:07:30 MST 2008

Bas van der Vlies wrote:
> Chris Samuel wrote:
>> ----- "Bas van der Vlies" <basv at sara.nl> wrote:
>>> We know the FairShare groups. When a user submits a job maui
>>> will now find out if it is a member of one of this groups.
>>> If yes then set the group credentials to this group and it
>>> will ignore then the PBS egroup variable.
>> Interesting - what happens if they are members of multiple
>> FS groups ?
> To be short that is not possible. So the first match will be the group
> credential for this job.  To my knowledge in the current MAUI source a job
> can only have one group, account and user credential set.  This limitiation
> prevents that user can be long to multiple FS groups.
To be more correct a user can belong to multiple FS groups. For torque you 
have to use the -W group_list=<value> parameter. The group credential for a 
job is set to this value. At our site an user only belongs to one fairshare 

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*  Bas van der Vlies                     e-mail: basv at sara.nl      *
*  SARA - Academic Computing Services    phone:  +31 20 592 8012   *
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