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:

SeverityNumber
11
20
313
40

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

AttributionFailuresMTBFUDTServiceability
Cray1 732 02:5399.6%
Site000:00100%
External000:00100%
Other000:00100%
Overall0 732 02:5399.6%
  • 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