Difference between revisions of "Tier1 Operations Report 2018-07-23"
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Key: Atlas HC = Atlas HammerCloud (Queue RAL-LCG2_UCORE, Template 841); CMS HC = CMS HammerCloud | Key: Atlas HC = Atlas HammerCloud (Queue RAL-LCG2_UCORE, Template 841); CMS HC = CMS HammerCloud | ||
<!-- **********************End Hammercloud Test Report************************** -----> | <!-- **********************End Hammercloud Test Report************************** -----> |
Revision as of 09:12, 23 July 2018
RAL Tier1 Operations Report for 23rd July 2018
Review of Issues during the week 16th July to the 23rd July 2018. |
- Tier-1 has been very much business as usual this week. The only incident of real note was the loss of an Atlas server(gdss747 - d1t0). This incident involved a lost drive that was found to be not recoverable. Subsequently a data loss declared. Under normal circumstances this would be considered a serious incident, however Atlas are all but complete in the process of migrating from CASTOR to ECHO. As such, no primary data had been lost with 89% of lost data comprising log files.
Current operational status and issues |
- ADVANCE WARNING - There is currently a scheduled three day period (July 24th - July 26th), where RAL Tier-1 will be undertaking server room circuit breaker testing. Although it is believed that these tests should not effect our services, such is the nature of these tests all Tier-1 production services should be considered "At Risk" during this time. All VOs have been asked to give consideration with respect to possible unexpected outage to any high priority/critical jobs they may wish to run during this period.
Resolved Castor Disk Server Issues |
- None
Ongoing Castor Disk Server Issues |
- None.
Limits on concurrent batch system jobs. |
- CMS Multicore 550
Notable Changes made since the last meeting. |
- None.
Entries in GOC DB starting since the last report. |
Declared in the GOC DB |
- No downtime scheduled in the GOCDB for next 2 weeks
Advanced warning for other interventions |
The following items are being discussed and are still to be formally scheduled and announced. |
Listing by category:
- Castor:
- Update systems to use SL7 and configured by Quattor/Aquilon. (Tape servers done)
- Move to generic Castor headnodes.
- Internal
- DNS servers will be rolled out within the Tier1 network.
Open
GGUS Tickets (Snapshot taken during morning of the meeting). |
Request id | Affected vo | Status | Priority | Date of creation | Last update | Type of problem | Subject | Scope |
---|---|---|---|---|---|---|---|---|
136270 | cms | in progress | urgent | 22/07/2018 | 23/07/2018 | CMS_Facilities | T1_UK_RAL xrootd access failures | WLCG |
136199 | lhcb | in progress | very urgent | 18/07/2018 | 23/07/2018 | File Transfer | Lots of submitted transfers on RAL FTS | WLCG |
136138 | t2k.org | in progress | urgent | 16/07/2018 | 17/07/2018 | File Access | Extremely long download times for T2K files on tape at RALL - Part 2 | EGI |
136104 | ops | in progress | less urgent | 13/07/2018 | 13/07/2018 | Operations | [Rod Dashboard] Issues detected at RAL-LCG2 | EGI |
136028 | cms | in progress | very urgent | 10/07/2018 | 20/07/2018 | CMS_AAA WAN Access | Issues reading files at T1_UK_RAL_Disk | WLCG |
134685 | dteam | in progress | less urgent | 23/04/2018 | 09/07/2018 | Middleware | please upgrade perfsonar host(s) at RAL-LCG2 to CentOS7 | EGI |
124876 | ops | reopened | less urgent | 07/11/2016 | 28/06/2018 | Operations | [Rod Dashboard] Issue detected : hr.srce.GridFTP-Transfer-ops@gridftp.echo.stfc.ac.uk | EGI |
GGUS Tickets Closed Last week |
Request id | Affected vo | Status | Priority | Date of creation | Last update | Type of problem | Subject | Scope |
---|---|---|---|---|---|---|---|---|
136229 | cms | solved | very urgent | 19/07/2018 | 19/07/2018 | Data Management - generic | RAL FTS Service not reachable via IPv6 | EGI |
136110 | atlas | solved | urgent | 13/07/2018 | 17/07/2018 | File Transfer | RAL-LCG2: Transfer errors as source with "SRM_FILE_UNAVAILABLE" | WLCG |
136097 | other | solved | urgent | 13/07/2018 | 19/07/2018 | Operations | Please restart frontier-squid on RAL cvmfs stratum 1 | EGI |
135940 | cms | closed | urgent | 04/07/2018 | 20/07/2018 | CMS_Data Transfers | Transfers failing to RAL_Disk - no data available | WLCG |
135822 | cms | closed | very urgent | 26/06/2018 | 19/07/2018 | CMS_Central Workflows | File Read Problems for Production at T1_UK_RAL | WLCG |
Availability Report |
Target Availability for each site is 97.0% | Red <90% | Orange <97% |
Day | Atlas | Atlas-Echo | CMS | LHCB | Alice | OPS | Comments |
---|---|---|---|---|---|---|---|
2018-07-16 | 100 | 100 | 100 | 100 | 100 | 100 | |
2018-07-17 | 100 | 100 | 95 | 100 | 100 | 100 | |
2018-07-18 | 100 | 100 | 92 | 100 | 100 | 100 | |
2018-07-19 | 94 | 100 | 93 | 100 | 100 | 100 | |
2018-07-20 | 100 | 100 | 93 | 100 | 100 | 100 | |
2018-07-21 | 100 | 100 | 96 | 100 | 100 | 100 | |
2018-07-22 | 100 | 100 | 98 | 100 | 100 | 100 | |
2018-07-23 | 100 | 100 | 100 | 100 | 100 | 100 |
Hammercloud Test Report |
Target Availability for each site is 97.0% | Red <90% | Orange <97% |
Day | Atlas HC | CMS HC | Comment |
---|---|---|---|
2018-07-16 | 94 | 99 | |
2018-07-17 | 89 | 99 | |
2018-07-18 | 77 | 98 | |
2018-07-19 | 93 | 99 | |
2018-07-20 | 83 | 97 | |
2018-07-21 | 97 | 100 | |
2018-07-22 | 93 | 100 | |
2018-07-23 | - | - |
Key: Atlas HC = Atlas HammerCloud (Queue RAL-LCG2_UCORE, Template 841); CMS HC = CMS HammerCloud
Notes from Meeting. |