HECToR Monthly Report, November 2013
Information on the utilisation, disk allocations, slowdowns and helpdesk statistics can be found in the associated SAFE monthly report.
Dates covered: 08:00 1 November 2013 to 08:00 1 December 2013
Number of hours: 720
1: Availability
Scheduled down time: 5 hrs 43 min.
Incidents
The following incidents were recorded:
Severity | Number |
1 | 0 |
2 | 0 |
3 | 9 |
4 | 0 |
Of the four severity levels, level 1 corresponds to a contractual failure.
Out of the 9 SEV-3 Incidents, 9 were attributed to node failure events.
Details of severity level 1 incidents
None this month
MTBF and Serviceability
Attribution | Failures | MTBF | UDT | Serviceability |
Cray | 0 | ∞ | 00:00 | 100% |
Site | 0 | ∞ | 00:00 | 100% |
External | 0 | ∞ | 00:00 | 100% |
Overall | 0 | ∞ | 00:00 | 100% |
- Note 1: Serviceability%= 100*(WCT-SDT-UDT)/(WCT-SDT)
- Note 2: MTBF (Mean Time Between Failures) is defined as 732/Number of failures.
Details of single node failures
Error Type | Number |
MCE bk0 - bk4 error (Opteron) | 3 |
Node heartbeat fault | 1 |
Software Error - kernel panic (bug 790101/780210) | 5 |
2: Courses
This information is supplied by NAG Ltd
Title of Course | Dates | Available Places | Ordinary Attendees | Paying Attendees | CSE Staff | Total Attending |
Introduction to the Unified Model (course given by NCAS-CMS staff) University of Reading | 13-14 November 2013 | 25 | 25 | 0 | 0 | 0 |
Debugging, Profiling and Optimising University of Bristol | 13-15 November 2013 | 18 | 11 | 0 | 0 | 11 |
Scientific Visualisation NAG Manchester | 27 Nov 2013 | 40 | 12 | 0 | 0 | 0 |
Accelerating Applications with CUDA Culham Science Centre | 27-29 November 2013 | 18 | 12 | 0 | 0 | 12 |
3: Quality Tokens
Date | Tokens Awarded | Comment | Consortium |
18 November 2013 | * * * * * (five positive tokens) | No comment from user | e286 |
4: Hours Worked
Group | Days worked | FTEs |
USL | 75.8 | 4.3 |
OSG | 71.0 | 4.0 |
5: Performance Metrics
Technology Provision
Description | TSL | FSL | Value |
Technology reliability | 85% | 98.5% | 100% |
Technology throughput | 7000 hours | 8367 hours | 8716 hours |
Capability job completion rate | 70% | 90% | 100% |
Technology MTBF | 100 hours | 126.4 hours | ∞ |
Note: Technology throughput is calculated: 12*(732-UDT-SDT), where 732 is the 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% | 98.2% |
Number of SP FTEs | 7.3 | 8.0 | 8.7 | 8.3 |
SP Serviceability | 80% | 99% | 99.5% | 100% |