Tier1 Operations Report 2018-05-28

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RAL Tier1 Operations Report for 28th May 2018

Review of Issues during the week 14th May to the 21st May 2018.
  • No incidents(major or minor), have been flagged during this reporting period.
Current operational status and issues
  • None
Resolved Castor Disk Server Issues
  • gdss732 (lhcbDst- D1T0) - Back in production after completion of rebuilding of the replacement drive.
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:

  • 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 during morning of the report). The latest ticket snapshot can be found here[1].

Request id Affected vo Status Priority Date of creation Last update Type of problem Subject Scope
135342 ops in progress less urgent 27/05/2018 28/05/2018 Operations [Rod Dashboard] Issue detected : egi.eu.lowAvailability-/RAL-LCG2@RAL-LCG2_Availability EGI
135308 mice in progress top priority 24/05/2018 29/05/2018 Information System Can't send data to RAL Castor EGI
135293 ops in progress less urgent 23/05/2018 27/05/2018 Operations [Rod Dashboard] Issues detected at RAL-LCG2 EGI
135133 cms in progress urgent 15/05/2018 30/05/2018 CMS_Data Transfers Likely corrupted File at T1_UK_RAL WLCG
134703 cms in progress urgent 23/04/2018 25/05/2018 CMS_Data Transfers Transfer failing from RAL_Disk 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
134468 cms waiting for reply top priority 09/04/2018 25/05/2018 CMS_AAA WAN Access Xrootd redirector not seeing some files in ECHO WLCG
133992 atlas in progress less urgent 12/03/2018 22/05/2018 File Transfer RAL-LCG2-ECHO: No such file or directory EGI
127597 cms on hold urgent 07/04/2017 30/04/2018 File Transfer Check networking and xrootd RAL-CERN performance 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
117683 none on hold less urgent 18/11/2015 09/05/2018 Information System CASTOR at RAL not publishing GLUE 2 EGI
GGUS Tickets Closed Last week
Request id Affected vo Status Priority Date of creation Last update Type of problem Subject Scope
135001 cms closed urgent 09/05/2018 24/05/2018 CMS_Data Transfers Fts-client needs to be updated WLCG
134769 cms closed urgent 26/04/2018 22/05/2018 CMS_Data Transfers Transfers from RAL_Disk to Florida are failing WLCG
134744 cms closed top priority 25/04/2018 22/05/2018 File Transfer Zero Phedex Transfers - via RAL FTS service on certain links EGI
134619 cms closed urgent 19/04/2018 22/05/2018 CMS_SAM tests Problems reading data from ECHO WLCG
Availability Report
Target Availability for each site is 97.0% Red <90% Orange <97%
Day Atlas Atlas-Echo CMS LHCB Alice OPS Comments
2018-05-21 100 100 100 100 100 100
2018-05-22 100 100 100 100 100 60
2018-05-23 100 100 100 100 100 0
2018-05-24 100 100 100 100 100 0
2018-05-25 100 100 100 100 100 0
2018-05-26 100 100 100 100 100 0
2018-05-27 100 100 99 100 100 0
2018-05-28 100 100 100 100 100 0
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
2018/05/22 98 100
2018/05/23 98 98
2018/05/24 97 99
2018/05/25 96 99
2018/05/26 98 56
2018/05/27 100 60
2018/05/28 93 100
Notes from Meeting.
  • None yet