AWS ParallelCluster 3.16 Brings Built-In Diagnostics for Easier HPC Troubleshooting

AWS ParallelCluster 3.16 is now live with pcluster-diag, a handy on-node diagnostics tool that lets you run checks and get structured reports with a single command—perfect for spotting cluster issues fast. The release also beefs up stability with more resilient cluster creation and updates, plus fresh NVIDIA drivers, CUDA, and Slurm versions across all AWS regions.