The HECToR Service is now closed and has been superceded by ARCHER.

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