Difference between revisions of "Tier1 Operations Report 2019-03-11"

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* All very much business as usual in Tier-1 world.  
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* Very quiet at Tier-1 until Friday afternoon, then the Security Challenge started...!
* We have experienced an issue with ATLAS SRM tests where ATLAS are requesting incorrect CASTOR space token. Although this is not overly an issue for ATLAS, it does impact the apparent availability metrics for the Tier-1.   This have been passed to the appropriate liaison to resolve.  
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* With reference to the current Security Challenge, at time of reporting, RAL-LCG2 have not yet found any evidence of the DN successfully running batch work or accessing our storage. We do see the incoming batch jobs and we are investigating why these seem not to have run. As yet we have not found any access to the IPs listed in the initial communication.
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* Tier-1 did not a problem on our site Argus server on Saturday around 13:20UTC when the Argus PAP server stopped. It was restarted after a callout. At present we do not believe this is related to the challenge.
 
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Latest revision as of 10:21, 19 March 2019

RAL Tier1 Operations Report for 4th March 2019

Review of Issues during the week 11th March 2019 to the 18th March 2019.
  • Very quiet at Tier-1 until Friday afternoon, then the Security Challenge started...!
  • With reference to the current Security Challenge, at time of reporting, RAL-LCG2 have not yet found any evidence of the DN successfully running batch work or accessing our storage. We do see the incoming batch jobs and we are investigating why these seem not to have run. As yet we have not found any access to the IPs listed in the initial communication.
  • Tier-1 did not a problem on our site Argus server on Saturday around 13:20UTC when the Argus PAP server stopped. It was restarted after a callout. At present we do not believe this is related to the challenge.
Current operational status and issues
Resolved Castor Disk Server Issues
Machine VO DiskPool dxtx Comments
- - - - -
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 ID 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
139990 cms in progress urgent 01/03/2019 08/03/2019 CMS_AAA WAN Access T1_UK_RAL xrootd segfaulted WLCG
139723 atlas in progress less urgent 15/02/2019 26/02/2019 Data Management - generic permissions on scratchdisk EGI
139672 other waiting for reply urgent 13/02/2019 05/03/2019 Middleware No LIGO pilots running at RAL EGI
138665 mice on hold urgent 04/12/2018 30/01/2019 Middleware Problem accessing LFC at RAL EGI
138033 atlas in progress urgent 01/11/2018 31/01/2019 Other singularity jobs failing at RAL EGI
GGUS Tickets Closed Last week
Request id Affected vo Status Priority Date of creation Last update Type of problem Subject Scope
140082 atlas solved less urgent 06/03/2019 07/03/2019 Other RAL-LCG2 squid service degraded WLCG
139983 t2k.org solved less urgent 28/02/2019 07/03/2019 File Access Failed to bring files online at RAL-tape EGI
139858 cms solved urgent 23/02/2019 04/03/2019 CMS_Data Transfers Failing transfers of 7 files from T1_UK_RAL_Disk to T2_FR_GRIF_LLR WLCG
139639 cms solved very urgent 12/02/2019 07/03/2019 CMS_AAA WAN Access file open error at RAL WLCG
139476 mice solved less urgent 01/02/2019 08/03/2019 Other LFC dump for MICE VO EGI
139306 dteam solved less urgent 24/01/2019 06/03/2019 Monitoring perfsonar hosts need updating EGI
138500 cms solved urgent 26/11/2018 07/03/2019 CMS_Data Transfers Transfers failing from T2_PL_Swierk to RAL WLCG
138361 t2k.org verified less urgent 19/11/2018 06/03/2019 Other RAL-LCG2: t2k.org LFC to DFC transition EGI
137897 enmr.eu verified urgent 23/10/2018 05/03/2019 Workload Management enmr.eu accounting at RAL EGI

Availability Report

Day Atlas Atlas-Echo CMS LHCB Alice OPS Comments
2019-03-05 100 100 100 100 100 100
2019-03-06 57 100 100 100 96 100
2019-03-07 89 100 100 100 100 100
2019-03-08 100 100 100 100 96 100
2019-03-09 100 100 100 100 96 100
2019-03-10 100 100 99 100 100 86
2019-03-11 100 100 100 100 100 100
Hammercloud Test Report
Target Availability for each site is 97.0% Red <90% Orange <97%
Day Atlas HC CMS HC Comment
2019-03-06 100 N/A
2019-03-07 100 N/A
2019-03-08 100 99
2019-03-09 100 100
2019-03-10 100 100
2019-03-11 100 100
2019-03-12 100 100
2019-03-13 100 100

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

Notes from Meeting.