Tier1 Operations Report 2019-01-07

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RAL Tier1 Operations Report for 7th January 2019

Review of Issues during the week 2nd January 2019 to the 7th January 2019.
  • Very smooth running over Christmas period.
  • 28th December, File System problem with one of the Squids, was fixed on 2nd Jan.
  • Problem with one of the ARC CEs, this seems to be intermittently impacting VOs. Currently under investigation.
Current operational status and issues
  • NTR
Resolved Castor Disk Server Issues
Machine VO DiskPool dxtx Comments
gdss761 lhcb lhcbDst d1t0 -
Ongoing Castor Disk Server Issues
Machine VO DiskPool dxtx Comments
- - - - -
Limits on concurrent batch system jobs.
  • ALICE - 1000
Notable Changes made since the last meeting.
  • NTR
Entries in GOC DB starting since the last report.
Service ID Scheduled? Outage/At Risk Start End Duration Reason
- - - - - - - -
Declared in the GOC DB
Service Scheduled? Outage/At Risk Start End Duration Reason
- - - - - - -
  • No ongoing downtime
Advanced warning for other interventions
The following items are being discussed and are still to be formally scheduled and announced.

Listing by category:

  • 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
138891 ops in progress less urgent 17/12/2018 17/12/2018 Operations [Rod Dashboard] Issue detected : egi.eu.lowAvailability-/RAL-LCG2@RAL-LCG2_Availability EGI
138833 none in progress urgent 13/12/2018 13/12/2018 Storage Systems Tape reporting is not being updated EGI
138665 mice in progress urgent 04/12/2018 12/12/2018 Middleware Problem accessing LFC at RAL EGI
138500 cms in progress urgent 26/11/2018 20/12/2018 CMS_Data Transfers Transfers failing from T2_PL_Swierk to RAL WLCG
138361 t2k.org in progress less urgent 19/11/2018 19/12/2018 Other RAL-LCG2: t2k.org LFC to DFC transition EGI
138033 atlas in progress urgent 01/11/2018 30/11/2018 Other singularity jobs failing at RAL EGI
137897 enmr.eu in progress less urgent 23/10/2018 19/12/2018 Accounting enmr.eu accounting at RAL EGI
GGUS Tickets Closed Last week
Request id Affected vo Status Priority Date of creation Last update Type of problem Subject Scope
139034 cms solved urgent 31/12/2018 02/01/2019 CMS_Facilities T1_UK_RAL squid05 not responding WLCG
139031 lhcb verified urgent 31/12/2018 02/01/2019 File Transfer FTS3 transfer problem from RAL WLCG
139020 atlas solved less urgent 29/12/2018 02/01/2019 Other RAL-LCG2 squid service degraded WLCG
139015 lhcb verified very urgent 28/12/2018 02/01/2019 Other arc-ce04.gridpp.rl.ac.uk unavailable at RAL-LCG2 WLCG
138948 cms closed urgent 19/12/2018 03/01/2019 CMS_Facilities T1_UK_RAL SRM SAM tests failing (disk pool is full) WLCG
138825 cms closed urgent 12/12/2018 02/01/2019 CMS_Data Transfers File staging at T1_UK_RAL_Buffer WLCG

Availability Report

Target Availability for each site is 97.0% Red <90% Orange <97%
Day Atlas Atlas-Echo CMS LHCB Alice OPS Comments
2019-01-01 100 100 100 100 100
2019-01-02 100 100 100 100 100 -1
2019-01-03 100 100 100 100 100 -1
2019-01-04 100 100 100 100 100 -1
2019-01-05 100 100 100 100 100 -1
2019-01-06 100 100 100 100 100 -1
2019-01-07 57 57 56 98 100 -1
Hammercloud Test Report
Target Availability for each site is 97.0% Red <90% Orange <97%
Day Atlas HC CMS HC Comment
2018-12-17 100 100
2018-12-18 100 100
2018-12-19 100 100
2018-12-20 100 100
2018-12-21 100 100
2018-12-22 100 100
2018-12-23 100 100
2018-12-24 100 93
2018-12-25 100 99
2018-12-26 100 N/A
2018-12-27 100 N/A
2018-12-28 100 N/A
2018-12-29 100 N/A
2018-12-30 100 N/A
2018-12-31 100 N/A
2019-01-01 100 N/A

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

Notes from Meeting.