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