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AWS ParallelCluster v2.6.0
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@lukeseawalker lukeseawalker released this 26 Feb 20:41
· 23 commits to release-2.6 since this release
v2.6.0
aff412c

We're excited to announce the release of AWS ParallelCluster Cookbook 2.6.0.

This is associated with AWS ParallelCluster v2.6.0.

ENHANCEMENTS

  • Add support for Amazon Linux 2
  • Install and setup CloudWatch agent for logging capability
  • Install NICE DCV on Ubuntu 18.04 (this includes ubuntu-desktop, lightdm, mesa-util packages)
  • Install and setup Amazon Time Sync on all OSs
  • Enable accounting plugin in Slurm for all OSes. Note: accounting is not enabled nor configured by default
  • Enable FSx Lustre on Ubuntu 18.04 and Ubuntu 16.04

CHANGES

  • Upgrade Slurm to version 19.05.5
  • Upgrade Intel MPI to version U6
  • Upgrade EFA installer to version 1.8.3:
    • Kernel module: efa-1.5.1 (updated from efa-1.4.1)
    • RDMA core: rdma-core-25.0 (distributed only) (no change)
    • Libfabric: libfabric-aws-1.9.0amzn1.1 (updated from libfabric-aws-1.8.1amzn1.3)
    • Open MPI: openmpi40-aws-4.0.2 (no change)
  • Add SHA256 checksum verification to verify integrity of NICE DCV packages
  • Install Python 2.7.17 on CentOS 6 and set it as default through pyenv
  • Install Ganglia from repository on Amazon Linux, Amazon Linux 2, CentOS 6 and CentOS 7
  • Disable StrictHostKeyChecking for SSH client when target host is inside cluster VPC for all OSs except CentOS 6
  • Pin Intel Python 2 and Intel Python 3 to version 2019.4
  • Automatically disable ptrace protection on Ubuntu 18.04 and Ubuntu 16.04 compute nodes when EFA is enabled
  • Packer version >= 1.4.0 is required for AMI creation

BUG FIXES

  • Fix issue with slurmd daemon not being restarted correctly when a compute node is rebooted
  • Fix errors causing Torque not able to locate jobs, setting server_name to fqdn on master node
  • Fix Torque issue that was limiting the max number of running jobs to the max size of the cluster
  • Slurm: configured StateSaveLocation and SlurmdSpoolDir directories to be writable only to slurm user

Support

Need help / have a feature request?
AWS Support: https://console.aws.amazon.com/support/home
ParallelCluster Issues tracker on GitHub: https://github.com/aws/aws-parallelcluster
The HPC Forum on the AWS Forums page: https://forums.aws.amazon.com/forum.jspa?forumID=192

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