AWS Parallel Computing Service supports in-place Slurm major version upgrades

AWS Parallel Computing Service (PCS) Update

AWS PCS now supports managed in-place Slurm version upgrades for existing clusters, allowing you to move up to three Slurm major versions ahead without disrupting running jobs.

What to do

• Update your Cluster configuration with the target Slurm version using the AWS Management Console, AWS CLI, or UpdateCluster API.
• PCS handles the upgrade of all managed Slurm components, ensuring uninterrupted running jobs and preserved accounting data.
• Update your compute nodes to the new Slurm version at your convenience.

Refer to the PCS User Guide for detailed steps and considerations.

AWS PCS simplifies running and scaling HPC workloads on AWS using Slurm, offering managed updates and built-in observability features.

This feature is available in all AWS Regions where PCS is available. To get started, see the PCS User Guide.

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