HECToR Monthly Report, June 2008
Information on the utilisation, disk allocations, slowdowns and helpdesk statistics can be found in the associated SAFE monthly report.
Dates covered: 08:00 1 June 2008 to 08:00 1 July 2008
Number of hours: 720
1: Availability
Scheduled down time: 64 hours 12 minutes. This includes a 48-hour slot for the X2 integration.
Incidents
The following incidents were recorded:
Severity | Number |
1 | 5 |
2 | 3 |
3 | 20 |
4 | 0 |
Of the four severity levels, level 1 corresponds to a contractual failure.
Details of severity level 1 incidents
ID | Date | Description | Length | Attribution |
Incident-260 | 06/06/2008 | HSN collapsed after compute node failure | 01:32 | Cray |
Incident-268 | 17/06/2008 | HSN collapse after compute node failure | 03:13 | Cray |
Incident-270 | 19/06/2008 | Voltage fault on c18-1c2s4n | 00:59 | Cray |
Incident-278 | 23/06/2008 | Close for security problem | 15:52 | Cray |
Incident-282 | 27/06/2008 | PDU fail in cab 9 delayed service return | 00:22 | Cray |
MTBF and Serviceability
Attribution | Failures | MTBF | UDT | Serviceability |
Cray | 5 | 146 | 21:58:00 | 96.7% |
Site | 0 | ~ | 00:00:00 | 100% |
External | 0 | ~ | 00:00:00 | 100% |
Other | 0 | ~ | 00:00:00 | 100% |
Overall | 5 | 146 | 21:58:00 | 96.7% |
- Note 1: Serviceability%= 100*(WCT-SDT-UDT)/(WCT-SDT)
- Note 2: MTBF (Mean Time Between Failures) is defined as 732/Number of failures.
2: Courses
This information is supplied by NAG Ltd
Title of Course | Dates | Available places | Total attending | HECToR Users | HECToR Staff |
10-11 June 2008 | Programming Tricks for HECToR | 12 | 4 | 4 | 4 |
12-13 June 2008 | Techniques for Achieving Scalability | 12 | 1 | 1 | 0 |
3: Quality tokens
None set this month
4: Hours worked
Group | Days worked | FTEs |
USL | 73.6 | 4.1 |
OSG | 74.33 | 4.2 |
5: Performance metrics
Technology Provision
Description | TSL | FSL | Value |
Technology reliability | 85% | 98.5% | 96.7% |
Technology throughput | 7000 hours | 8367 hours | 7750 hours |
Capability job completion rate | 70% | 90% | 93.3% |
Technology MTBF | 100 hours | 126.4 hours | 146 hours |
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
Service Provision
Description | TSL | FSL | USL | Value |
Percentage of non-in-depth queries resolved within one day | 85% | 97% | 99% | 100% |
Number of SP FTEs | 7.3 | 8.0 | 8.7 | 8.3 |
SP serviceability | 80% | 99% | 99.5% | 100% |