Commands

Common Commands

slurm (introduction)
launching jobs: salloc (resource reservation for jobs) && srun (jobs and job steps running tasks)
batch jobs: sbatch (batch jobs to queue)
scancel (signal/stop running jobs)
sstat (infos wrt. running jobs)
squeue (show queues)
sinfo (show node infos)

STUBL Tools

snodes (list node features; wrapper for sinfo)
sqstat (list job queues and cluster status information)

Manpages

man 1 sbatch
man 1 srun
man 1 salloc
man 1 scancel
man 1 squeue
man 1 sinfo

Important switches for sbatch/srun/salloc

-a <index_range> <html> </html>job array with index range, e.g. -a 0,1,4-6 or -a 0-8:2 (environment variables available: SLURM_ARRAY_TASK_ID, SLURM_ARRAY_JOB_ID, SLURM_ARRAY_TASK_COUNT etc.)
-d <dependency_list> <html> </html>define dependencies on other jobs (dependency_list: after:job_id[:job_id] or afterok:job_id[:job_id] and so on)
<html>–</html>begin=<time_string> <html> </html>(absolute/relative) start time of job (see man 1 sbatch)
<html>–</html>deadline=<time_string> <html> </html>job only scheduled as long as it finishes before deadline
<html>–</html>mem=<amount[T|G|M|K]> <html> </html>amount of virtual memory per node to allocate, e.g. 1G (1 Gibibyte)
-t <time> set job's wall clock time
-e <file> <html> </html>where to redirect error output
-o <file> <html> </html>where to redirect stdout
-i <file> <html> </html>read stdin for job script from file
-J <job_name>
-n <ntasks> <html> </html>the overall amount of task (all nodes); does NOT accept range of task number
-N <min_nodes[-max_nodes]> <html> </html>overall number of nodes; accepts range of node number
<html>–</html>tasks-per-node=<ntasks> <html> </html>number of tasks launched on each node
-w <node_list> <html> </html>where <node_list> e. g.: node001; node[001-005,009]; node001,node008
<html>–</html>mail-type=<types> <html> </html>NONE, BEGIN, END, FAIL, REQUEUE, ALL, ARRAY_TASKS etc., for further explanations see man 1 sbatch
-v <html> </html>run in verbose mode

Useful combination of arguments for srun/sbatch/salloc

-N with -n
-N with -n and <html>–</html>tasks-per-node=