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Slurm's architecture Slurm is made of a slurmd daemon running on each compute node and a central slurmctld daemon running on a management node. Node In slurm a node is a compute resource, usually defined by particular consumable resources, i.e. cores, memor...

sinfo : overview of the resources offered by the cluster By default, sinfo lists the available partitions name(s), availability, time limit, number of nodes, their state and the nodelist. A partition is a set of compute nodes. The command sinfo by default ...

scancel : used to signal jobs or job steps that are under the control of Slurm The command scancel is used to signal or cancel jobs, job arrays or job steps . A job or job step can only be signaled by the owner of that job or user root. If an attempt is mad...

srun : Used to submit/initiate job or job step Typically, srun is invoked from a SLURM job script but alternatively, srun can be run directly from the command, in which case srun will first create a resource allocation for running the parallel job (the sall...

Examples Submit a simple MPI job On this example we run a small MPI application doing the following steps: Create a submission file Submit the job to the default partition Execute a simple MPI code Check the status of the job Read the output D...