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Regular maintenance of clusters requires downtime. A maintenance schedule can reduce surprises and not unnecessarily delay required maintenance. |
See also
- For a snapshot inventory, and the costs to CCB if they were hosted elsewhere, see ChemIT's spreadsheet in <R:\Chem IT\Projects & Tracking>. The data and analysis is in spreadsheet, "Chem IT Support & Services", tab "Alternative server costs".
- 1) CCB High Performance Computers (HPC)
Documentation for staff, in support of cluster maintenance
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Specifics, per research group's cluster
(Table started November 2015)
| Group | Maintenance Cycle | Next Scheduled Downtime | Following Scheduled Downtime | Default day and time of day | First warning email sent when | Second warning email sent when | Notes |
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| Scheraga | 1 |
December 7, 2016
1st Wednesday of the month
9:30am
Need do cluster upgrade, may merge with
Widom-Loring?
Jun. 9, 2021 | March 11, 2020 |
2rd Wednesday of the month 9:30am | 2 weeks before | 24 hours before |
| Hoffmann | 2 |
Oct 3rd
January 2, 2017
1st Monday of the month
(if holiday, move to
1st Tuesday)
9:30am
| Jul. 20, 2021 | Apr. 21, 2020 | 3nd Tuesday of the month 9:30am | 2 weeks before | 24 hours before |
Nov 1st
| Cluster2020 | 3 | May. 4, 2021 | May 5, 2020 | 1st Tuesday of the month 9:30am | 2 weeks before | 24 hours before |
| Eldor ( Freed ) | 3 |
| May. 13, 2021 | Feb. 13, 2020 | 2nd Thursday of the month 9:30am | 2 weeks before | 24 hours before |
Crane Linux Workstations | 3 |
May. 19, 2021 | Feb. 19, 2020 | 3rd Wednesday of the month 9:30am | 2 weeks before | 24 hours before |
...
| Petersen Independent Nodes | Will be moved to Germany |