Systems News

Narwhal Scheduled Maintenance

NAVY DSRC : System Maintenance

2023 Oct 02 08:00 - Oct 05 14:00 CT (In Progress)

Navy DSRC Preventive Maintenance (PM) for the HPE Cray EX system, Narwhal, is scheduled from 0800 (1300Z) Monday, 02 October 2023 to 1400 (1900Z) Thursday, 05 October 2023.

Multiple updates and installs are to be performed:

  • SLES 15SP4 Install
  • Slingshot interconnect drivers/firmware/etc.
  • Lustre version update
  • Default compiler update: CCE 15.0.0, Intel OneAPI 2022.2.1, AOCC 3.2.0 and NVIDIA HPC SDK 22.3
  • Update external node FQDNs to match domain of internal nodes
  • Upgrade to PBS Pro 2022

For a full list of module changes, please see: /p/app/modulefiles/unsupported/MOTD.modules_Oct23Update

All PBS/Scheduling functions will be unavailable during this maintenance window; jobs will not be running.

Note: Running FY23 jobs will be able to cross the FY boundary; however, any job with a requested walltime that extends into the PM period will not start.