[GE users] Moved to users list: Re: [GE issues] Calendar and advance reservation

reuti reuti at staff.uni-marburg.de
Thu May 6 11:14:53 BST 2010


(the issues list is mainly for the emails which are send automatically when changes to the issues database are made)

Am 06.05.2010 um 09:06 schrieb fredwag:

> Hi .*,
> I have a problem in SGE 6.2u1:
> We have setup for visulization system with multiple nodes and multiple
> graphics cards per node. Through SGE a users can reserve a graphics card
> to do their visualization job, for this an advance reservation system is
> configured (its a batch queue, but interactive work).
> Now there is the demand for a nightly batch queue (no ar) for normal
> dataprocessing jobs (since the machines have lots of memory and they
> idle during the night). So I configured a 'nightly' batch queue, with a
> calendar attached to it (4-20=off 20-4=on).
> My problem now is the following:
> As soon there exists an advance reservation (for an already running job
> or for the future) _no_ jobs are running in nightly queue. The scheduler
> info gives (when the queue is by calendar enabled):
> '(-l NONE) cannot run in queue "nightly at somehost..." because it offers
> only qc:slots=0.000000 due to a reservation'
> What could be the problem here?
> The jobs in nightly _are_ running, when
> * I take away the calendar, so the job is always enabled
> * no advance reservation exists
> I already played with the scheduler parameters Maximum
> Reservation/Default Duration etc...
> It seems that the complex slots is somehow influenced by pending
> reservations... but why? Is this a 'backfilling' problem? I don't know
> where to search anymore. Or is this a bug?

there one issue which I also observed with RQS:


Are you using RQS?

-- Reuti

> Thanks a lot for any help!
> Bye,
> Frederik
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