64 lines
2.4 KiB
Markdown
64 lines
2.4 KiB
Markdown
---
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title: Slurm Basic Commands
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#tags:
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#keywords:
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last_updated: 19 June 2019
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#summary: ""
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sidebar: merlin6_sidebar
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permalink: /merlin6/slurm-basics.html
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---
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In this document some basic commands for using Slurm are showed. Advanced examples for some of these
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are explained in other Merlin6 Slurm pages. You can always use ```man <command>``` pages for more
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information about options and examples.
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## Basic commands
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Useful commands for the slurm:
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```bash
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sinfo # to see the name of nodes, their occupancy,
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# name of slurm partitions, limits (try out with "-l" option)
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squeue # to see the currently running/waiting jobs in slurm
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# (additional "-l" option may also be useful)
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sbatch Script.sh # to submit a script (example below) to the slurm.
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srun <command> # to submit a command to Slurm. Same options as in 'sbatch' can be used.
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salloc # to allocate computing nodes. Use for interactive runs.
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scancel job_id # to cancel slurm job, job id is the numeric id, seen by the squeue.
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sview # X interface for managing jobs and track job run information.
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seff # Calculates the efficiency of a job
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sjstat # List attributes of jobs under the SLURM control
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sacct # Show job accounting, useful for checking details of finished jobs.
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```
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---
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## Advanced basic commands:
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```bash
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sinfo -N -l # list nodes, state, resources (#CPUs, memory per node, ...), etc.
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sshare -a # to list shares of associations to a cluster
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sprio -l # to view the factors that comprise a job's scheduling priority
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# add '-u <username>' for filtering user
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```
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## Show information for specific cluster
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By default, any of the above commands shows information of the local cluster which is ***merlin6**.
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If you want to see the same information for **merlin5** you have to add the parameter ``--clusters=merlin5``.
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If you want to see both clusters at the same time, add the option ``--federation``.
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Examples:
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```bash
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sinfo # 'sinfo' local cluster which is 'merlin6'
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sinfo --clusters=merlin5 # 'sinfo' non-local cluster 'merlin5'
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sinfo --federation # 'sinfo' all clusters which are 'merlin5' & 'merlin6'
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squeue # 'squeue' local cluster which is 'merlin6'
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squeue --clusters=merlin5 # 'squeue' non-local cluster 'merlin5'
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squeue --federation # 'squeue' all clusters which are 'merlin5' & 'merlin6'
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```
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---
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