--- title: AWS Parallel Computing Service supports in-place Slurm... description: AWS Parallel Computing Service (PCS) now supports managed in-place Slurm major version upgrades for existing HPC clusters. Users can advance up to three Slurm... canonical: https://daily.dev/posts/aws-parallel-computing-service-supports-in-place-slurm-major-version-upgrades-c60ifm1s3 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: AWS Parallel Computing Service supports in-place Slurm major version upgrades | daily.dev og:description: AWS Parallel Computing Service (PCS) now supports managed in-place Slurm major version upgrades for existing HPC clusters. Users can advance up to three Slurm... og:url: https://daily.dev/posts/aws-parallel-computing-service-supports-in-place-slurm-major-version-upgrades-c60ifm1s3 og:image: https://api.daily.dev/og/posts/c60IfM1s3.png og:image:alt: AWS Parallel Computing Service supports in-place Slurm major version upgrades og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # AWS Parallel Computing Service supports in-place Slurm major version upgrades **[AWS](https://daily.dev/sources/aws)** · 2 min read · 0 upvotes · 0 comments ## Summary AWS Parallel Computing Service (PCS) now supports managed in-place Slurm major version upgrades for existing HPC clusters. Users can advance up to three Slurm major versions without disrupting running jobs. The upgrade process covers all managed Slurm components — controller, accounting database, and REST API — and can be triggered via the AWS Console, CLI, or UpdateCluster API. Queued jobs resume after the upgrade completes, and accounting data is preserved. Compute nodes can be updated separately at the user's convenience. The feature is available in all AWS regions where PCS is supported. ## Full article daily.dev links to this article rather than hosting it. 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