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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 |
|---|
| Scheraga | 1 |
Jun. 9, 2021 | March 11, 2020 | 2rd |
Wednesday of the month 9:30am | 2 weeks before | 24 hours before |
Need do cluster upgrade, may merge with
Widom-Loring?
| Hoffmann | 2 | Jul. 20, 2021 | Apr. 21, 2020 | 3nd Tuesday |
of the month |
(if holiday, move to
1st Tuesday)
9:30am | 2 weeks before | 24 hours before |
| Cluster2020 | 3 | May. 4, 2021 | May 5, 2020 | 1st |
Tuesday of the month 9:30am | 2 weeks before | 24 hours before |
| Eldor ( Freed ) | 3 |
3rd Wednesday of the
month 9:30am
2rd Wednesday of the month
| May. 13, 2021 | Feb. 13, 2020 | 2nd Thursday of the month 9:30am | 2 weeks before | 24 hours before |
1st Tuesday of the month
9:30am
Crane Linux Workstations | 3 | May. 19, 2021 | Feb. 19, 2020 | 3rd Wednesday of the month 9:30am | 2 weeks before | 24 hours before |
| Groups | Group member | Next Scheduled Downtime | Following Scheduled Downtime |
|---|---|---|---|
| 1 | Abruna Scheraga | June 1st June 8th | Sept 7th Sept 14th |
| 2 | Collum Hoffmann | July 18th July 26th | Oct 3rd Oct 18th |
| 3 | Widom-Loring-Collum Eldor Lancaster (w/ Crane) | Aug 2nd Aug 11th Aug 17th | Nov 1st Nov 10th Nov 16th |
...
| Petersen Independent Nodes | Will be moved to Germany |