AWS ParallelCluster v3.9.2

We're excited to announce the release of AWS ParallelCluster Cookbook 3.9.2

This is associated with AWS ParallelCluster v3.9.2

CHANGES

• Upgrade Slurm to 23.11.7 (from 23.11.4).

AWS ParallelCluster v3.9.1

We're excited to announce the release of AWS ParallelCluster Cookbook 3.9.1

This is associated with AWS ParallelCluster v3.9.1

BUG FIXES

• Remove recursive deletion of shared storage mountdir when unmounting filesystems as part of update-cluster operation.

AWS ParallelCluster v3.9.0

We're excited to announce the release of AWS ParallelCluster Cookbook 3.9.0

This is associated with AWS ParallelCluster v3.9.0

ENHANCEMENTS

• Permit to update the external shared storage of type Efs, FsxLustre, FsxOntap, FsxOpenZfs and FileCache
  without replacing compute and login fleet.
• Add support for RHEL9.
• Add support for Rocky Linux 9 as CustomAmi created through build-image process. No public official ParallelCluster Rocky9 Linux AMI is made available at this time.
• Add the configuration parameter DeploymentSettings/DefaultUserHome to allow users to move the default user's home directory to /local/home instead of /home (default).
  • SSH connections will be closed and rejected while the user's home directory is being moved during the bootstrapping process.
• Add possibility to choose between Open and Closed Source Nvidia Drivers when building an AMI, through the ['cluster']['nvidia']['kernel_open'] cookbook node attribute.
• Add configuration parameter DeploymentSettings/DisableSudoAccessForDefaultUser to disable sudo access of default user in supported OSes.

CHANGES

• Upgrade Slurm to 23.11.4 (from 23.02.7).
  • Upgrade Pmix to 4.2.9 (from 4.2.6).
• Upgrade NVIDIA driver to version 535.154.05.
• Upgrade EFA installer to 1.30.0.
  • Efa-driver: efa-2.6.0-1
  • Efa-config: efa-config-1.15-1
  • Efa-profile: efa-profile-1.6-1
  • Libfabric-aws: libfabric-aws-1.19.0
  • Rdma-core: rdma-core-46.0-1
  • Open MPI: openmpi40-aws-4.1.6-2 and openmpi50-aws-5.0.0-11
• Upgrade NICE DCV to version 2023.1-16388.
  • server: 2023.1.16388-1
  • xdcv: 2023.1.565-1
  • gl: 2023.1.1047-1
  • web_viewer: 2023.1.16388-1
• Upgrade ARM PL to version 23.10.
• Upgrade third-party cookbook dependencies:
  • nfs-5.1.2 (from nfs-5.0.0)

BUG FIXES

• Fix issue making job fail when submitted as active directory user from login nodes.
  The issue was caused by an incomplete configuration of the integration with the external Active Directory on the head node.
• Fix issue making login nodes fail to bootstrap when the head node takes more time than expected in writing keys.

AWS ParallelCluster v3.8.0

We're excited to announce the release of AWS ParallelCluster Cookbook 3.8.0

This is associated with AWS ParallelCluster v3.8.0

ENHANCEMENTS

• Add support for EC2 Capacity Blocks for ML.
• Add support for Rocky Linux 8.
• Add support for Scheduling/SlurmSettings/Database/DatabaseName parameter to render StorageLoc
  in the slurmdbd configuration generated by ParallelCluster.
• Add the option to use EFS storage instead of NFS exports from the head node root volume
  for intra-cluster shared file system resources: ParallelCluster, Intel, Slurm, and /home data.
• Allow for mounting home as an EFS or FSx external shared storage via the SharedStorage section of the config file.

CHANGES

• Upgrade Slurm to 23.02.7 (from 23.02.6).
• Upgrade NVIDIA driver to version 535.129.03.
• Upgrade CUDA Toolkit to version 12.2.2.
• Use Open Source NVIDIA GPU drivers (OpenRM) as NVIDIA kernel module for Linux instead of NVIDIA closed source module.
• Do not wait for static nodes in maintenance to signal CFN that the head node initialization is complete.
• Upgrade EFA installer to 1.29.1.
  • Efa-driver: efa-2.6.0-1
  • Efa-config: efa-config-1.15-1
  • Efa-profile: efa-profile-1.5-1
  • Libfabric-aws: libfabric-aws-1.19.0-1
  • Rdma-core: rdma-core-46.0-1
  • Open MPI: openmpi40-aws-4.1.6-1
• Upgrade GDRCopy to version 2.4 in all supported OSes, except for Centos 7 where version 2.3.1 is used.
• Upgrade aws-cfn-bootstrap to version 2.0-28.
• Upgrade Python to 3.9.17.

BUG FIXES

• Fix inconsistent scaling configuration after cluster update rollback when modifying the list of instance types declared in the Compute Resources.
• Fix users SSH keys generation when switching users without root privilege in clusters integrated with an external LDAP server through cluster configuration files.
• Fix disabling Slurm power save mode when setting ScaledownIdletime = -1.
• Fix hard-coded path to Slurm installation dir in update_slurm_database_password.sh script for Slurm Accounting.

AWS ParallelCluster v3.7.2

We're excited to announce the release of AWS ParallelCluster Cookbook 3.7.2

This is associated with AWS ParallelCluster v3.7.2

CHANGES

• Upgrade Slurm to 23.02.6.

AWS ParallelCluster v3.7.1

We're excited to announce the release of AWS ParallelCluster Cookbook 3.7.1

This is associated with AWS ParallelCluster v3.7.1

CHANGES

• Upgrade Slurm to 23.02.5 (from 23.02.4).
  • Upgrade Pmix to 4.2.6 (from 3.2.3).
  • Upgrade libjwt to 1.15.3 (from 1.12.0).
• Upgrade EFA installer to 1.26.1, fixing RDMA writedata issue in P5.
  • Efa-driver: efa-2.5.0-1
  • Efa-config: efa-config-1.15-1
  • Efa-profile: efa-profile-1.5-1
  • Libfabric-aws: libfabric-aws-1.18.2-1
  • Rdma-core: rdma-core-46.0-1
  • Open MPI: openmpi40-aws-4.1.5-4

AWS ParallelCluster v3.7.0

We're excited to announce the release of AWS ParallelCluster Cookbook 3.7.0

This is associated with AWS ParallelCluster v3.7.0

ENHANCEMENTS

• Add support for Ubuntu 22. RSA keys are not supported by default. See this page.
• Add support for login nodes.
• Add support to mount existing Amazon File Cache as shared storage.
• Allow configuration of static and dynamic node priorities in Slurm compute resources via the ParallelCluster configuration YAML file.
• Add a queue-level parameter (JobExclusiveAllocation) to ensure nodes in the partition are exclusively allocated to a single job at any given time.
• Allow overriding the aws-parallelcluster-node package at cluster creation and update time (only on the head node during update). Useful for development purposes only.
• Allow memory-based scheduling when multiple instance types are specified for a Slurm Compute Resource.
• Avoid starting the NFS server on compute nodes.
• Forward SLURM_RESUME_FILE to ParallelCluster resume program.

CHANGES

• Deprecate Ubuntu 18.
• Upgrade Slurm to version 23.02.4.
• Update the default root volume size to 40 GB to account for limits on Centos 7.
• Upgrade NVIDIA driver to version 535.54.03.
• Upgrade CUDA library to version 12.2.0.
• Upgrade NVIDIA Fabric manager to nvidia-fabricmanager-535.
• Upgrade NICE DCV to version 2023.0-15487.
  • server: 2023.0.15487-1
  • xdcv: 2023.0.551-1
  • gl: 2023.0.1039-1
  • web_viewer: 2023.0.15487-1
• Upgrade EFA installer to 1.25.1.
  • Efa-driver: efa-2.5.0-1
  • Efa-config: efa-config-1.15-1
  • Efa-profile: efa-profile-1.5-1
  • Libfabric-aws: libfabric-aws-1.18.1-1
  • Rdma-core: rdma-core-46.0-1
  • Open MPI: openmpi40-aws-4.1.5-4
• Upgrade ARM PL to version 23.04.1 for Ubuntu 22.04 only.
• Upgrade third-party cookbook dependencies:
  • apt-7.5.14 (from apt-7.4.0)
  • line-4.5.13 (from line-4.5.2)
  • openssh-2.11.3 (from openssh-2.10.3)
  • pyenv-4.2.3 (from pyenv-3.5.1)
  • selinux-6.1.12 (from selinux-6.0.5)
  • yum-7.4.13 (from yum-7.4.0)
  • yum-epel-5.0.2 (from yum-epel-4.5.0)
• Assign Slurm dynamic nodes a priority (weight) of 1000 by default. This allows Slurm to prioritize idle static nodes over idle dynamic ones.
• Change the default value of Imds/ImdsSupport from v1.0 to v2.0.
• Make aws-parallelcluster-node daemons handle only ParallelCluster-managed Slurm partitions.
• Restrict permission on file /tmp/wait_condition_handle.txt within the head node so that only root can read it.
• Create a Slurm partition-nodelist mapping JSON file to be used by the node package daemons to recognize PC-managed Slurm partitions and nodelists.
• Increase EFS-utils watchdog poll interval to 10 seconds. Note: This change is meaningful only if EncryptionInTransit is set to true, because watchdog does not run otherwise.

BUG FIXES

• Add validation to ScaledownIdletime value, to prevent setting a value lower than -1.
• Fix issue causing dangling IAM policies to be created when creating ParallelCluster CloudFormation custom resource provider with CustomLambdaRole.
• Fix an issue that was causing misalignment of compute nodes DNS name on instances with multiple network interfaces,
  when using SlurmSettings/Dns/UseEc2Hostnames equals to True.
• Fix cluster creation failure with Ubuntu Deep Learning AMI on GPU instances and DCV enabled.

AWS ParallelCluster v3.6.1

We're excited to announce the release of AWS ParallelCluster Cookbook 3.6.1

This is associated with AWS ParallelCluster v3.6.1

CHANGES

• Remove security updates step executed on cluster nodes bootstrap in US isolated regions
  in order to reduce bootstrap time and avoid a potential point of failure.
• Replace nvidia-persistenced service with parallelcluster_nvidia service to avoid conflicts with DLAMI.

BUG FIXES

• Fix an issue that was preventing ptrace protection from being disabled on Ubuntu and allowing Cross Memory Attach (CMA) in libfabric.

AWS ParallelCluster v3.6.0

We're excited to announce the release of AWS ParallelCluster Cookbook 3.6.0

This is associated with AWS ParallelCluster v3.6.0

ENHANCEMENTS

• Add support for RHEL8.
• Add support for customizing the cluster Slurm configuration via the ParallelCluster configuration YAML file.
• Build Slurm with support for LUA.
• Add health check manager and GPU health check, which can be activated through cluster configuration.
  Health check manager execution is triggered by a Slurm prolog script. GPU check verifies healthiness of a node by executing NVIDIA DCGM L2 diagnostic.
• Add log rotation support for ParallelCluster managed logs.
• Track head node memory and root volume disk utilization using the mem_used_percent and disk_used_percent metrics collected through the CloudWatch Agent.
• Enforce the DCV Authenticator Server to use at least TLS-1.2 protocol when creating the SSL Socket.
• Load kernel module nvidia-uvm by default to provide Unified Virtual Memory (UVM) functionality to the CUDA driver.
• Install NVIDIA Persistence Daemon as a system service.
• Install NVIDIA Data Center GPU Manager (DCGM) package on all supported OSes except for aarch64 centos7 and alinux2.

CHANGES

• Upgrade Slurm to version 23.02.2.
• Upgrade munge to version 0.5.15.
• Set Slurm default TreeWidth to 30.
• Set Slurm prolog and epilog configurations to target a directory, /opt/slurm/etc/scripts/prolog.d/ and /opt/slurm/etc/scripts/epilog.d/ respectively.
• Set Slurm BatchStartTimeout to 3 minutes so to allow max 3 minutes Prolog execution during compute node registration.
• Upgrade EFA installer to 1.22.1
  • Dkms : 2.8.3-2
  • Efa-driver: efa-2.1.1g
  • Efa-config: efa-config-1.13-1
  • Efa-profile: efa-profile-1.5-1
  • Libfabric-aws: libfabric-aws-1.17.1-1
  • Rdma-core: rdma-core-43.0-1
  • Open MPI: openmpi40-aws-4.1.5-1
• Upgrade Lustre client version to 2.12 on Amazon Linux 2 (same version available on Ubuntu 20.04, 18.04 and CentOS >= 7.7).
• Upgrade Lustre client version to 2.10.8 on CentOS 7.6.
• Upgrade aws-cfn-bootstrap to version 2.0-24.
• Upgrade NVIDIA driver to version 470.182.03.
• Upgrade NVIDIA Fabric Manager to version 470.182.03.
• Upgrade NVIDIA CUDA Toolkit to version 11.8.0.
• Upgrade NVIDIA CUDA sample to version 11.8.0.
• Upgrade Intel MPI Library to 2021.9.0.43482.
• Upgrade NICE DCV to version 2023.0-15022.
  • server: 2023.0.15022-1
  • xdcv: 2023.0.547-1
  • gl: 2023.0.1027-1
  • web_viewer: 2023.0.15022-1

BUG FIXES

• Fix an issue that was causing misalignment of compute nodes IP on instances with multiple network interfaces.
• Fix replacement of StoragePass in slurm_parallelcluster_slurmdbd.conf when a queue parameter update is performed and the Slurm accounting configurations are not updated.
• Fix issue causing cfn-hup daemon to fail when it gets restarted.
• Fix issue causing NVIDIA GPU compute nodes not to resume correctly after executing an scontrol reboot command.

AWS ParallelCluster v3.5.1

We're excited to announce the release of AWS ParallelCluster Cookbook 3.5.1

This is associated with AWS ParallelCluster v3.5.1

ENHANCEMENTS

• Add support for US isolated region us-isob-east-1.

CHANGES

• Upgrade EFA installer to 1.22.0
  • Efa-driver: efa-2.1.1g
  • Efa-config: efa-config-1.13-1
  • Efa-profile: efa-profile-1.5-1
  • Libfabric-aws: libfabric-aws-1.17.0-1
  • Rdma-core: rdma-core-43.0-1
  • Open MPI: openmpi40-aws-4.1.5-1
• Upgrade NICE DCV to version 2022.2-14521.
  • server: 2022.2.14521-1
  • xdcv: 2022.2.519-1
  • gl: 2022.2.1012-1
  • web_viewer: 2022.2.14521-1

BUG FIXES

• Fix update cluster to remove shared EBS volumes can potentially cause node launching failures if MountDir match the same pattern in /etc/exports.