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Regular maintenance of clusters requires downtime. |
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A maintenance schedule |
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can reduce surprises and not unnecessarily delay required maintenance. |
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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 | |
| Hoffmann | 2 | Jul. 20, 2021 | Apr. 21, 2020 | 3nd Tuesday of the month 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 | 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 |
Created November 2015
Default day and
time of day
March
June
Sept
Need do cluster upgrade, may merge with
Widom-Loring?
March
June
Sept
1st Monday of the month
9am (if holiday, move to
1st Tuesday)
March
June
Sept
2nd Tuesday of the month
Noon
March
June
Sept
1st Wednesday of the
month 9am
March
June
Sept
3rd Thursday of the month
9am
March
June
Sept
1st Thursday of the month
9am
March
June
Sept
2nd Wednesday of the
month 9am