Tier1 Operations Report 2018-05-07

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RAL Tier1 Operations Report for 7th May 2018

Review of Issues during the week 30th April to the 7th May 2018.
  • * The RAL networking team are continuing to investigate our failing, fail-over firewall issues. Please be advised that to minimize the impact on services we have not re-scheduled any at-risk or downtime's with regards this issue for the next 2 weeks (however, this is subject to change at short notice depending on operational requirements).
Current operational status and issues
  • None
Resolved Castor Disk Server Issues
  • gdss737 (lhcbDst- D1T0) - Back in full production
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.
  • None
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:

  • Echo
    • Applying minor CEPH update to fix the "backfill" bug. Increase number of placement groups and add more capacity.
  • 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).
    • Replacement (upgrade) of RAL firewall.
  • 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 during morning of the report)
Request id Affected vo Status Priority Date of creation Last update Type of problem Subject Scope
117683 none on hold less urgent 18/11/2015 03/05/2018 Information System CASTOR at RAL not publishing GLUE 2 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
127597 cms on hold urgent 07/04/2017 30/04/2018 File Transfer Check networking and xrootd RAL-CERN performance EGI
133992 atlas in progress less urgent 12/03/2018 19/04/2018 File Transfer RAL-LCG2-ECHO: No such file or directory EGI
134468 cms waiting for reply top priority 09/04/2018 07/05/2018 CMS_AAA WAN Access Xrootd redirector not seeing some files in ECHO WLCG
134685 dteam in progress less urgent 23/04/2018 02/05/2018 Middleware please upgrade perfsonar host(s) at RAL-LCG2 to CentOS7 EGI
134703 cms in progress urgent 23/04/2018 08/05/2018 CMS_Data Transfers Transfer failing from RAL_Disk WLCG
134880 none in progress top priority 02/05/2018 03/05/2018 Middleware please upgrade Singularity EGI
GGUS Tickets Closed Last week
Request id Affected vo Status Priority Date of creation Last update Type of problem Subject Scope
134494 atlas solved urgent 11/04/2018 03/05/2018 Storage Systems json space reporting not updated WLCG
134619 cms solved urgent 19/04/2018 08/05/2018 CMS_SAM tests Problems reading data from ECHO WLCG
134622 cms closed urgent 19/04/2018 03/05/2018 CMS_Data Transfers Update FileDownload configuration for RAL_Buffer - point to RAL's FTS server WLCG
134731 lhcb verified very urgent 25/04/2018 01/05/2018 File Access could not open connection to srm-lhcb.gridpp.rl.ac.uk:8443 WLCG
134744 cms solved top priority 25/04/2018 08/05/2018 File Transfer Zero Phedex Transfers - via RAL FTS service on certain links EGI
134769 cms solved urgent 26/04/2018 08/05/2018 CMS_Data Transfers Transfers from RAL_Disk to Florida are failing WLCG
134839 snoplus.snolab.ca solved urgent 30/04/2018 02/05/2018 File Transfer Data Transfer Failure EGI
134853 cms solved urgent 02/05/2018 02/05/2018 CMS_Facilities T1_UK_RAL HammerCloud failures WLCG
Availability Report
Target Availability for each site is 97.0% Red <90% Orange <97%
2018-05-02 100 100 100 100 100 100
2018-05-03 100 100 100 100 100 100
2018-05-04 100 100 100 100 100 100
2018-05-05 100 100 100 100 100 100
2018-05-06 100 100 100 98 100 100
2018-05-07 100 100 100 100 100 100
2018-05-08 100 100 100 39 100 100
Hammercloud Test Report
Target Availability for each site is 97.0% Red <90% Orange <97%

Key: Atlas HC = Atlas HammerCloud (Queue RAL-LCG2_UCORE, Template 841); CMS HC = CMS HammerCloud

Day Atlas HC CMS HC Comment
2018/05/01 81 100
2018/05/02 99 96
2018/05/03 100 100
2018/05/04 99 100
2018/05/05 98 88
2018/05/06 99 96
2018/05/07 99 100
Notes from Meeting.
  • None yet


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