Difference between revisions of "Tier1 Operations Report 2018-06-18"
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Revision as of 07:44, 20 June 2018
RAL Tier1 Operations Report for 18th June 2018
Review of Issues during the week 11th June to the 18th June 2018. |
- On Tuesday 12th June there was an internal network problem, which took around ~3 hours to resolve. This seemed to mostly affect facilities rather than Tier-1 services. The concern is not that a piece of hardware failed, but that it doesn’t always switch seamlessly to the backup links (especially for IPv6).
Current operational status and issues |
- None.
Resolved Castor Disk Server Issues |
- gdss687 - LHCb - LHCbDst - d1t0. Currently back in Production.
- gdss738 - LHCb - LHCbDst - d1t0. Currently back in Production RO.
Ongoing Castor Disk Server Issues |
- gdss746 - ATLAS - atlasStripInut - d1t0. Currently in intervention.
- gdss685 - ATLAS - atlasTape - d1t0. Currently in intervention.
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 |
- None
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.
- Networking
- Extend the number of services on the production network with IPv6 dual stack. (Done for Perfsonar, FTS3, all squids and the CVMFS Stratum-1 servers).
- Internal
- DNS servers will be rolled out within the Tier1 network.
- Infrastructure
- Testing of power distribution boards in the R89 machine room is being scheduled for some time late July / Early August. The effect of this on our services is being discussed.
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 |
---|---|---|---|---|---|---|---|---|
135711 | cms | waiting for reply | urgent | 18/06/2018 | 19/06/2018 | CMS_Central Workflows | T1_UK_RAL production jobs failing | WLCG |
135455 | cms | in progress | less urgent | 31/05/2018 | 04/06/2018 | File Transfer | Checksum verification at RAL | EGI |
135293 | ops | on hold | less urgent | 23/05/2018 | 04/06/2018 | Operations | [Rod Dashboard] Issues detected at RAL-LCG2 | EGI |
134685 | dteam | in progress | less urgent | 23/04/2018 | 11/06/2018 | Middleware | please upgrade perfsonar host(s) at RAL-LCG2 to CentOS7 | EGI |
124876 | ops | on hold | less urgent | 07/11/2016 | 13/11/2017 | 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 |
---|---|---|---|---|---|---|---|---|
135661 | atlas | solved | less urgent | 14/06/2018 | 14/06/2018 | Databases | RAL-LCG2: ATLAS RAL Frontier server down | WLCG |
135367 | snoplus.snolab.ca | solved | less urgent | 28/05/2018 | 13/06/2018 | Other | Lost access to srm-snoplus.gridpp.rl.ac.uk | EGI |
135308 | mice | solved | top priority | 24/05/2018 | 13/06/2018 | Information System | Can't send data to RAL Castor | EGI |
134468 | cms | closed | top priority | 09/04/2018 | 15/06/2018 | CMS_AAA WAN Access | Xrootd redirector not seeing some files in ECHO | WLCG |
117683 | none | closed | less urgent | 18/11/2015 | 15/06/2018 | Information System | CASTOR at RAL not publishing GLUE 2 | EGI |
Availability Report |
Target Availability for each site is 97.0% | Red <90% | Orange <97% |
Day | Atlas | Atlas-Echo | CMS | LHCB | Alice | OPS | Comments |
---|---|---|---|---|---|---|---|
2018-06-11 | 100 | 100 | 78 | 100 | 100 | 100 | |
2018-06-12 | 100 | 100 | 93 | 100 | 100 | 100 | |
2018-06-13 | 100 | 100 | 100 | 100 | 100 | 100 | |
2018-06-14 | 100 | 100 | 100 | 100 | 100 | 100 | |
2018-06-15 | 100 | 100 | 92 | 100 | 100 | 100 | |
2018-06-16 | 100 | 100 | 100 | 100 | 100 | 100 | |
2018-06-17 | 100 | 100 | 100 | 100 | 100 | 100 | |
2018-06-18 | 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 |
---|---|---|---|
2018/06/11 | 97 | 72 | |
2018/06/12 | 97 | 100 | |
2018/06/13 | 95 | 77 | |
2018/06/14 | 92 | 45 | |
2018/06/15 | 85 | 73 | |
2018/06/16 | 95 | 100 | |
2018/06/17 | 97 | 66 | 100 |
2018/06/18 | - | - |
Key: Atlas HC = Atlas HammerCloud (Queue RAL-LCG2_UCORE, Template 841); CMS HC = CMS HammerCloud
Notes from Meeting. |
- Notes from meeting of 13th June:
- SKA:
- It was noted that the SKA batch jobs are limited to 24 cores by the Dirac system (at Imperial) that they are using.
- Dune/ProtoDune:
- There is now a regular monday meeting for Dune/ProtoDune. Raja, as the Dune-Tier1 liaison person will attend regularly. Darren will attend in his place if Raja cannot be there.
- Access to the Tier1 batch farm is being set-up. The Tier1's aim is to get this set-up for initial testing by next Monday's meeting. (18th June).
- Alastair has set-up Dune access to Echo (line for access via WebDAV provided to Raja).
- Euclid:
- We are in contact with Euclid to get the public key for access to the Euclid CVMFS repository.
Documentation to Get VOs started accessing Tier1 Services: A start has been made on this. See: https://www.gridpp.ac.uk/wiki/RAL_Tier1_Echo