HECToR Monthly Report, August 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 August 2008 to 08:00 1 September 2008
Number of hours: 744
1: Availability
Scheduled down time: 17 hours 37 minutes.
Incidents
The following incidents were recorded:
| Severity | Number |
| 1 | 2 |
| 2 | 0 |
| 3 | 38 |
| 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-354 | 12/08/2008 | Link inactive error | 01:43 | Cray |
| Incident-369 | 21/08/2008 | WWW/helpdesk unavailable | 16:20 | Site |
MTBF and Serviceability
| Attribution | Failures | MTBF | UDT | Serviceability |
| Cray | 1 | 732 | 01:43:00 | 99.8% |
| Site | 1 | 732 | 16:20:00 | 97.8% |
| External | 0 | ~ | 00:00:00 | 100% |
| Other | 0 | ~ | 00:00:00 | 100% |
| Overall | 2 | 366 | 18:03:00 | 97.5% |
- 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 |
| 4-5 August 2008 | Programming for the vector platform | 12 | 7 | 3 | 4 |
| 6 August 2008 | Introduction to HECToR | 20 | 0 | 0 | 0 |
| 26-27 August 2008 | Portability and Maintainability | 12 | 0 | 0 | 0 |
| 28 August 2008 | HPC data management | 12 | 0 | 0 | 0 |
| 29 August 2008 | Code surgery | 12 | 0 | 0 | 0 |
3: Quality tokens
None set this month
4: Hours worked
| Group | Days worked | FTEs |
| USL | 73.6 | 4.2 |
| OSG | 71.0 | 4.0 |
5: Performance metrics
Technology Provision
| Description | TSL | FSL | Value |
| Technology reliability | 85% | 98.5% | 99.8% |
| Technology throughput | 7000 hours | 8367 hours | 8356 hours |
| Capability job completion rate | 70% | 90% | 100% |
| Technology MTBF | 100 hours | 126.4 hours | 366 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% | 98% |
| Number of SP FTEs | 7.3 | 8.0 | 8.7 | 8.2 |
| SP serviceability | 80% | 99% | 99.5% | 97.8% |
