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External Services

Scheduled Maintenance

Schedule

May 12, 2026 6:00AM - May 15, 2026 6:00PM EDT

Components

Academic Services

Services

PACE

Description

WHEN IS IT HAPPENING? PACE's next Maintenance Period starts at 6:00AM on Monday, 1/12/2026, and is tentatively scheduled to conclude by 11:59PM on Thursday, 1/15/2026. PACE will release each cluster (Phoenix, Firebird, and ICE) as soon as maintenance work is complete. 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, and ICE. Please plan accordingly for the projected downtime. WHAT IS HAPPENING? Apply updates to all production operating systems, During the scheduled maintenance window, multiple infrastructure upgrades and operational changes were successfully completed across PACE systems. These activities focused on improving stability, security, performance, and capacity across compute, storage, networking, and user‑facing services. Scheduler and Platform Services The Slurm workload manager was upgraded to the latest tested release across production clusters, including associated web‑based and cloud‑integrated components. This upgrade incorporates upstream fixes and improvements validated in development prior to deployment. Open OnDemand (OOD) was migrated to the current major release on both Phoenix and ICE platforms, aligning with supported versions and improving long‑term maintainability. Compute and Login Infrastructure New hardware was deployed for login nodes to expand capacity and improve reliability. A dedicated H100 GPU node within the AI Makerspace environment was reassigned to support SPIN workloads. A Phoenix login node based on new GNR hardware was promoted into production service. Firebird head nodes were relocated to new underlying GNR hardware to improve platform consistency. Storage and Data Services The DDN NVX scratch storage system was physically relocated within the data center to support infrastructure reorganization. Exascaler and SFA software components were upgraded to their latest supported versions, improving stability and incorporating vendor fixes and enhancements. Networking and Fabric Phoenix fabric subnet managers were replaced to improve reliability and operational consistency. InfiniBand switches were upgraded to a newer firmware release to address fixes and maintain compatibility with updated components. GPU and System Firmware Firmware updates were applied to DGX A100 systems to address known BMC and SBIOS security vulnerabilities. DGX H100 system firmware was updated to align with current vendor recommendations.. 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 <pace-support@oit.gatech.edu> with questions or concerns. You may read this message on our blog. Thank you, -The PACE Team
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