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ELF is now back in service

Galen Collier
Saturday, March 7, 2020 at 2:05 am

ELF Users,

Maintenance for the ELF cluster is nearly complete and the system has been returned to service.

Account holders can access ELF at or (ssh [NetID]

Work completed includes:

— All hosted VMs, compute nodes, and login nodes have been upgraded to CentOS 7.7 with GPFS, SLURM 18.08.8.
— The firmware for all managed and unmanaged InfiniBand switches has been upgraded.
— Node Health Check has been setup to help with monitoring of the compute nodes.
— Added DNS names such that and elf[1-2] and are the names used.
— Same list of packages is now installed on each node of each type (improved consistency among the compute nodes).
— Switched from nslcd (deprecated) to System Security Services Daemon (SSSD) for authentication services.
— The Lmod module system has been upgraded to 8.1.6.

For information about Caliburn, please see our Caliburn System Status page: We are currently working quickly to have Caliburn ready for production use on March 13.

Please let us know if you have questions or if you encounter any problems:


Galen Collier, PhD
Director, Research Support
Office of Advanced Research Computing (OARC)