Il 24.05.2017 20:45, Reuti ha scritto:
Am 24.05.2017 um 19:09 schrieb Roberto Nunnari <[email protected]>:
Hi Reuti.
wow.. that enhancement request was opened 10 years ago! :-D
Anyways.. that means that at present it's not possible to grant access to a node (or
queue) only if the user ask for a gpu with -l gpu=<n> ?
It is possible, but someone could specify -l gpu=0 and it counts as requested.
One could use a JSV of course, to be sure that the limit is higher than zero
(or remove the request completely in case it’s zero, so that the FORCED
criteria is no longer satisfied and such a job would be routed to the
conventional nodes again).
In case you use "-w e": this will be checked before the JSV is called and after (AFAICS independent
from the action taken in the JSV). To avoid this: one can submit always with "-w n", but set set
"-w e" inside the JSV.
— Reuti
I see.
So the problem is only that a user could cheat and get anyways access to
the nodes with GPUs.
For now I'd be glad to trust my users and set this limit. Could you
please tell me how to set it?
Thank you.
Roberto
At present, based on my configuration, the scheduler can (and do) give access
to those nodes (equipped with GPUs) even if the user don't request any GPU.
Thank you and best regards.
Roberto
On 24.05.2017 16:47, Reuti wrote:
Am 24.05.2017 um 14:50 schrieb Roberto Nunnari <[email protected]>:
Hello.
I am using Oracle Grid Engine 6.2u7.
Is there a way to configure the OGE so that it will give access to some nodes only if
a gpu is requested? I have a few nodes that are equipped with gpus and I would like
that only jobs that require at least one gpu can access them. gpu is a JOB consumable
in complex configuration that users can request upon job submission with -l
gpu=<n>
I knew I entered an issue about it:
https://arc.liv.ac.uk/trac/SGE/ticket/391
-- Reuti
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