ATLAS UK Cloud Support

Thursday 12 Nov 2020, 10:00 → 11:00 Europe/London

Zoom

Tim Adye (Science and Technology Facilities Council STFC (GB)), James William Walder (Science and Technology Facilities Council STFC (GB))

Meeting to be held via Zoom (https://ukri.zoom.us/j/97404730356)
Password protected (same as OPs Mtg)

Outstanding tickets

• 149362 UKI-SOUTHGRID-RALPP urgent in progress 2020-11-11 16:15:00 ATLAS CE failures on UKI-SOUTHGRID-RALPP-heplnx207
  • Change to ACT not helped; JW to see about switching back
  • Various replies on ticket from arc devs.
  • Problem persists
• 149349 UKI-SOUTHGRID-OX-HEP less urgent waiting for reply 2020-11-09 10:15:00 UKI-SOUTHGRID-OX-HEP Frontier Squid Status
  • JW to close
• 148968 UKI-NORTHGRID-LANCS-HEP less urgent in progress 2020-11-11 14:48:00 UKI-NORTHGRID-LANCS-HEP: deletion and transfer failures
  • Few failures on usual server. New disks now in.
  • To update jira with namespace files
  • JW to declare the latest files as lost
• 148342 UKI-SCOTGRID-GLASGOW less urgent in progress 2020-11-10 09:59:00 UKI-SCOTGRID-GLASGOW with transfer efficiency degraded and many failures
  • JW to verify that the file can be transfered and close
• 146651 RAL-LCG2 urgent on hold 2020-10-16 11:56:00 singularity and user NS setup at RAL
  • No update
• 144759 UKI-SCOTGRID-GLASGOW less urgent on hold 2020-08-10 09:54:00 High traffic from UKI-SCOTGRID-GLASGOW on RAL CVMFS Stratum1
  • Ticket closed; nat5 moved
• 142329 UKI-SOUTHGRID-SUSX top priority on hold 2020-11-05 10:52:00 CentOS7 migration UKI-SOUTHGRID-SUSX
  • Nodes in; awaiting networking.
    • Pilots still failing
  • arc can fill up logs quickly
    • Input from Gareth on checking the gridFTP logs
    • Matt to have a look at arc conf file

CPU

New site dashboard panel of job efficiency available.

• RAL

• Northgrid

  • LANCS; other VOs are getting lots of jobs; should have 4:1 weighting
    • DPM DB falling over; killed for excess memory consumption; may not be directly DPM, but in httpd processes
    • Increase of TPC-http activity could relate to this?

• London

• SouthGrid

• Scotgrid

  • GLASGOW; 2 new CE’s being added. Half avaialble capacity currently running.

Other new issues

• Migration from AGIS to CRIC started with Switcher migration.
  • Some initial problems in sites (Glasgow, Brunel) trying to get out of downtime.
    • Should be resolved now
  • Not all AGIS information may stay up-to-date, as CRIC becomes primary source
  • Peter to check for apfmon wrt. AGIS migration
• Glasgow LOCALGROUPDISK:
  • Set up new Pool (JW to recheck atlas config will be ok)
  • Should be fine for internal Glasgow users.

Ongoing issues

• CentOS7 - Sussex
  • See ticket description above
• TPC
  • No update
• Oxford storageless tests
  • Discused in Jira and Storage mtg.
  • Running HC test queue, using RAL as endpoint
  • Next to set a new (arc) queue at OX
• ECDF
  • No update here

News round-table

• Vip
  • Needed to leave before ended.
    • Asked about testing Squid
    • JW to provide some examples from ATLAS
• Dan
  • Needed to leave before end; NTR
• Matt
  • NTR
• Peter
  • Asked about AGIS migration; will follow-up for CRIC
• Sam
  • NTR
• Gareth
  • NTR
• JW
  • NTR
• Patrick
  • NTR

AOB

• NTR

 

10:00 → 10:20 Status

10:20 → 10:40 Ongoing Items

• CentOS7 - Sussex
  • See ticket description above
• TPC
  • No update
• Oxford storageless tests
  • Discused in Jira and Storage mtg.
  • Running HC test queue, using RAL as endpoint
  • Next to set a new (arc) queue at OX
• ECDF
  • No update here

10:40 → 10:50 News round-table

• Vip
  • Needed to leave before ended.
    • Asked about testing Squid
    • JW to provide some examples from ATLAS
• Dan
  • Needed to leave before end; NTR
• Matt
  • NTR
• Peter
  • Asked about AGIS migration; will follow-up for CRIC
• Sam
  • NTR
• Gareth
  • NTR
• JW
  • NTR
• Patrick
  • NTR

AOB

• NTR

10:50 → 11:00 AOB