HECToR Monthly Report, Phase 2A system, April 2011
Information on the utilisation, disk allocations, slowdowns and helpdesk statistics can be found in the associated SAFE monthly report.
Dates covered: 08:00 1 April 2011 to 08:00 1 May 2011
Number of hours: 720
1: Availability
Scheduled down time: none
Incidents
The following incidents were recorded:
| Severity | Number |
| 1 | 1 |
| 2 | 0 |
| 3 | 10 |
| 4 | 0 |
Details of severity level 1 incidents
| ID | Date | Description | Length | Attribution |
| Incident-5926 | 30/04/2011 | EPO on cab c1-2 | 67:31 | Cray |
MTBF and Serviceability
| Attribution | Failures | MTBF | UDT | Serviceability |
| Cray | 1 | 732 | 67:31 | 90.9% |
| Site | 0 | ∞ | 00:00 | 100% |
| External | 0 | ∞ | 00:00 | 100% |
| Other | 0 | ∞ | 00:00 | 100% |
| Overall | 1 | 732 | 67:31 | 90.9% |
- Note 1: Serviceability%= 100*(WCT-SDT-UDT)/(WCT-SDT)
- Note 2: MTBF (Mean Time Between Failures) is defined as 732/Number of failures.
2: Performance Statistics
Technology Provision
| Description | Value |
| Technology reliability | 90.9% |
| Technology throughput | 7974 hours |
| Capability job completion rate | 100% |
| Technology MTBF | 732 |
Note: Technology throughput is calculated: 12*(732-UDT-SDT); 732 - annual average number of hours in a month
Note: MTBF is calculated as 732/number of failures
