HECToR Monthly Report, Phase 2A system, March 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 March 2011 to 08:00 1 April 2011
Number of hours: 744

1: Availability

Scheduled down time: 8 hours 11 minutes

Incidents

The following incidents were recorded:

SeverityNumber
12
20
37
40

Details of severity level 1 incidents

ID Date Description Length Attribution
Incident-5906 19/03/2011 Faulty OSS node 03:27 Cray
Incident-5926 23/03/2011 EPO on cabinet c6-0 01:12 Cray

MTBF and Serviceability

AttributionFailuresMTBFUDTServiceability
Cray2 366 04:3999.4%
Site000:00100%
External000:00100%
Other000:00100%
Overall2 366 04:3999.4%
  • 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 99.4%
Technology throughput 8630 hours
Capability job completion rate TBA
Technology MTBF 366

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