WHEN IS IT HAPPENING?
PACE’s next Maintenance Period starts at 6:00AM Monday January 12th and is scheduled to end no later than 11:59PM on Thursday January 15th; ICE will open to Spring 2026 courses on Friday, January 16th. The additional day is needed to install a second cooling pump at the data center to provide redundancy for PACE clusters. PACE will release each cluster (Phoenix, Firebird, ICE, and Buzzard) as soon as maintenance work and testing are completed. PACE will release each cluster (Phoenix, Firebird, ICE, and Buzzard) as soon as maintenance work and testing are completed.
WHAT DO YOU NEED TO DO?
As usual, jobs with resource requests that would be running during the Maintenance Period will be held until after the maintenance by the scheduler. During this Maintenance Period, access to all the PACE-managed computational and storage resources will be unavailable. This includes Phoenix, Firebird, ICE, and Buzzard. Please plan accordingly for the projected downtime. CEDAR storage will not be affected.
WHAT IS HAPPENING?
ITEMS REQUIRING USER ACTION:
- None
ITEMS NOT REQUIRING USER ACTION:
- [all] DataBank will install a second cooling pump into the research hall cooling loop, providing redundancy.
- [all] Apply maintenance updates to all compute nodes
- [Phoenix, ICE, Firebird] Upgrade clusters to Slurm 25.05.5
- [Storage] Enable Write Back on all VAST storage for performance improvements
- [all] Replace some PDU and IB network switches with new equipment
- [Storage] Apply maintenance upgrades to Lustre file system appliances
WHY IS IT HAPPENING?
Regular maintenance periods are necessary to reduce unplanned downtime and maintain a secure and stable system.
WHO IS AFFECTED?
All users across all PACE clusters.
WHO SHOULD YOU CONTACT FOR QUESTIONS?
Please contact PACE at pace-support@oit.gatech.edu with questions or concerns.