Asha Basic Usage Guide

Working with the Job Scheduler

When on the cluster, you will use the job scheduler to run and interact with your jobs. For the Asha cluster, we use the Slurm Workload Manager. Below is a basic usage outline and links to the official documentation.

  • sbatch
    • Used to submit a job that uses a submission script to the cluster. Options for sbatch allow you to:
      • Submit to specific partition.
      • Direct output.
      • Select node count and/or processor count.
      • Change most controls for running your job.
    • More Info
    • Examples.
      • sbatch --partition=all --ntasks 100
      • sbatch --nodes 2 --job-name=my_job
    • Note: You can set your options in your submission script.
  • scancel
    • Cancel a job.
    • Example canceling a specific job.
      • scancel -j 100
    • More Info
  • squeue
    • Used to view information on currently running jobs. Using it with no options is often good enough.
    • More Info
    • Note: Can be used with the “watch” command or with the “-i” option to show updated information.
      • Examples
        • watch squeue
        • squeue  -i 1
  • sacct
    • Used to view information on past jobs. Use the “-j” option to see a specific job.
    • More Info
  • sinfo
    • Get information on partitions in the cluster or specific nodes.
    • Using “sinfo” by itself will show you all the partitions you have access to.
    • sinfo can be manipulated to show only output you would like to see.
      • Example summary of Allocated/Idle/Other(down or in maintenance)/Total cores per partition.
        • sinfo -o "%9P %5a %16C"
    • More Info

Slurm is one of the most popular job schedulers available. There is quite a bit of documentation online, including the official documentation, but if you need help getting started please don’t hesitate to contact us.

General Linux Usage.

Disk Usage

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