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Actionnotes
Schedule / notify representative / usersCommunication timeline
Evaluate hard drives (system left in operation)

Review all:

  • SMART
  • dmesg
  • Review  /var/log/messages

Verify backups and related (system left in operation)

Back-in-time (local versioning)

  • Do what to verify?

EZ-Backup (remote backup)

  • Review log for recent uploads.
  • Q: Occassionally spot-check restoring a random, recent file?
Disable outside access 
Delete jobs 
Shutdown headnode & nodes 
Scheraga only: Synology updateRequires reboot. Safer with headnode off.
Reboot switches

Only for Scheraga Matrix usually. All others have shared switches!

Q: Hoffmann compute nodes isolated switches?

Boot synologyScheraga Matrix only
Boot headnode 
Verify drives with fsckOnly do every ~6 months. Time consuming.
Ex: Abruna's cluster (small): 1-2 hours
Test UPS and its notifications

Does it work as expected?

How reasonably test? Pull power? Rely on self test?

Reboot anything that needs 
Boot nodes 
Enable access 
Send email 
Add "maintenance recorde" description at HPC's wiki page