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
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 |
|---|---|---|---|---|---|---|---|
| Abruna |
|
| merged with CLAW Widom-Loring-Collum-Abruna | ||||
| Scheraga | 1 | December 13, 2017 (Lulu won't be available Sep-Nov) | 2rd Wednesday of the month 9:30am | 2 weeks before | 24 hours before | ||
| Collum |
| merged with CLAW Widom-Loring-Collum-Abruna | |||||
| Hoffmann | 2 | January 16, 2018 (Lulu won't be available Sep-Nov) | 3nd Tuesday of the month 9:30am | 2 weeks before | 24 hours before | ||
| Widom-Loring-Collum-Abruna | 3 | February 6, 2018 (Lulu won't be available Sep-Nov)
|
| 1st Tuesday of the month 9:30am | 2 weeks before | 24 hours before | |
| Eldor ( Freed ) | 3 | February 8, 2018 (Lulu won't be available Sep-Nov) | 2nd Thursday of the month 9:30am | 2 weeks before | 24 hours before | ||
Crane Linux Workstations | 3 | February 21, 2017 (Lulu won't be available Sep-Nov) | 3rd Wednesday of the month 9:30am | 2 weeks before | 24 hours before | ||
| Petersen Independent Nodes | 2 | January 2, 2018 (Lulu won't be available Sep-Nov) | 1st Tuesday of the month 9:30am | 2 weeks before | 24 hours before |