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SLURM can be used as a queuing system, but at PSUD it is only used as a resource allocation system at the moment (as of 2016-04-22).
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Connection
Please use your PSUD login/password to connect to cluster-head.ias.u-psud.fr
Please note that a connection from out of PSUD requires using the ias-ssh.ias.u-psud.fr
gateway.
Information about current resource usage
sinfo
: information about SLURM queuessqueue
: list of jobs in queues
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flarecast
is a high-priority queue, meaning that jobs (from other projects) running on nodes including cluster-r730-1
will be suspended if you start a job in the flarecast
queue.
Launching an interactive session within the SLURM system
The salloc
command allocates resources within a queue and opens a shell from which commands using these resources can be launched with the srun
command. This is mainly used for testing. Exiting the shell will cancel the resource allocation. If you want to keep the resource allocation (and job running) and logout from your terminal, you will need to run salloc
within a screen
command (then don't forget to cancel the resource allocation later!).
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srun and salloc have different options for selecting a queue, the desired number of nodes or processes per node, etc.
Launching a batch job
A batch job can be launched using
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