HECToR Monthly Report, Phase 2A system, February 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 February 2011 to 08:00 1 March 2011
Number of hours: 672
1: Availability
Scheduled down time: 4 hours 7 minutes
Incidents
The following incidents were recorded:
| Severity | Number |
| 1 | 1 |
| 2 | 0 |
| 3 | 13 |
| 4 | 0 |
Details of severity level 1 incidents
Note: Incident-5811 affecting both services reported under Phase 2b (contractual service).| ID | Date | Description | Length | Attribution |
| Incident-5801 | 24/02/2011 | Link inactive - PDU failure | 02:53 | Cray |
MTBF and Serviceability
| Attribution | Failures | MTBF | UDT | Serviceability |
| Cray | 1 | 732 | 02:53 | 99.6% |
| Site | 0 | ∞ | 00:00 | 100% |
| External | 0 | ∞ | 00:00 | 100% |
| Other | 0 | ∞ | 00:00 | 100% |
| Overall | 0 | 732 | 02:53 | 99.6% |
- 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 | 99.6% |
| Technology throughput | 8700 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
