CSD3 Full Maintenance 30th January 2025

Important

  • The period of full maintenance scheduled for 30th January 2025 will commence 07:30 and last all day.
  • CSD3, Dawn, RDS and RCS will be unavailable during the maintenance period.
  • Arcus, SRCP and RFS will experience a brief loss of external access only, but should be considered at risk.

The up to date plan and status of the maintenance will be displayed on this page.

Current Status

  • Full maintenance will commence 07:30 on Thursday 30th January.

Key Points

Wednesday 29th January 2025

  • Capacity on CSD3 and Dawn will begin to reduce to produce empty clusters at 07:30 on 30th January.
  • RCS tape library operations will be suspended.

Thursday 30th January 2025

  • 07:30 maintenance commences:
    • Job scheduling will be suspended.
    • All CSD3 login and visualization nodes will reboot and login access will be blocked throughout the maintenance period.
    • /rds-d8 lustre upgrade will commence.
    • Access via login nodes or storage gateways to RDS and RCS will not be possible during maintenance.
  • 08:00-11:00 electrical sequencing work and transformer maintenance will be performed by Estates.
    • At 08:00 network reconfiguration will cause an approximately 5 minute loss of external connectivity to all services.
  • 11:00-18:00 Firmware, Lustre and Slurm updates will be performed.
  • 18:00-19:00 (approximately) normal services will be restored in order.

Questions

If you have any questions about these developments or have issues before or after the changes, please contact us at support@hpc.cam.ac.uk.