HECToR Monthly Report, July 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 July 2011 to 08:00 1 August 2011
Number of hours: 744
Scheduled down time: 11 hours 23 minutes.
The following incidents were recorded:
Of the four severity levels, level 1 corresponds to a contractual failure.
Out of the 11 SEV-3 Incidents, 11 were attributed to node failure events.
Details of severity level 1 incidentsNone this month.
MTBF and Serviceability
- 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
|Software error (bug #774390)||1|
|Software problem (related to a user application)||2|
|MCA bank 4 error||6|
|Out Of Memory error (bug 774036)||1|
2: CoursesThis information is supplied by NAG Ltd
|Title of Course||Dates||Available Places||Ordinary Attendees||Paying Attendees||CSE Staff||Total Attending|
|NERC Summer School Stream Beginner, Liverpool||4-5 July 2011||30||10||0||0||10|
|NERC Summer School Stream Advanced, Liverpool||4-5 July 2011||30||16||0||0||16|
3: Quality Tokens
|01/07/2011||* * * * *||Everything working beautifully||n01|
4: Hours Worked
5: Performance Metrics
|Technology throughput||7000 hours||8367 hours||8647 hours|
|Capability job completion rate||70%||90%||97.2%|
|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
|Percentage of non-in-depth |
queries resolved within one day
|Number of SP FTEs||7.3||8.0||8.7||8.5|
|SP Serviceability||80%||99%||99.5%||100.0 %|