ATLAS UK Cloud Support

Thursday 30 Jul 2020, 10:00 → 11:00 Europe/London

Vidyo

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

Outstanding tickets

• 147979 UKI-NORTHGRID-MAN-HEP less urgent assigned 2020-07-27 07:48:00 UKI-NORTHGRID-MAN-HEP timeout transfer errros and also deletion errors

  • Related to lost disk server; (there no ‘maintaince mode’, so deletions are attempted while data is being recovered); firewalling helped to mitigate this.

• 146771 UKI-SCOTGRID-ECDF less urgent in progress 2020-07-29 12:15:00 UKI-SCOTGRID-ECDF deletion failures with “The requested service is not available at the moment.”

  • long update provide in the GGUS; restarting xroot frequently on head node.
  • Uncertain why this seems particular to ECDF:
    • Issues appears related to Xrootd (and server), e.g tcp reuse
    • following up with developers

• 146651 RAL-LCG2 urgent on hold 2020-07-23 20:02:00 singularity and user NS setup at RAL

  • on hold

• 146374 UKI-NORTHGRID-SHEF-HEP urgent in progress 2020-07-22 14:53:00 ATLAS pilot jobs idle on UKI-NORTHGRID-SHEF-HEP CE

  • no news

• 144759 UKI-SCOTGRID-GLASGOW less urgent on hold 2020-06-09 07:59:00 High traffic from UKI-SCOTGRID-GLASGOW on RAL CVMFS Stratum1

  • on hold

• 142329 UKI-SOUTHGRID-SUSX top priority on hold 2020-06-04 14:05:00 CentOS7 migration UKI-SOUTHGRID-SUSX

  • on hold

CPU

• RAL

  • no issues

• Northgrid

  • Small dips for MAN (disk related);
  • LANCS remains below full capacity, with arc-ce problems getting pilots to run; and disk server issues (likely ipv6 related)

• London

  • Power glitch at QMUL ; (Sites set to DT afterwards)
  • Aim to resolve all residual issues today

• SouthGrid

  • CAM issues (related to QMUL)

• Scotgrid

  • brief dip for Durham; may just be from other VO demands

Other new issues

Ongoing issues

• CentOS7 - Sussex

  • On Hold

• Grand Unified queues

  • On Hold

News round-table

• Vip

  • NTR

• Dan

  • Aim to fix residual problems from power issue today

• Matt

  • NTR

• Gareth

  • Will continue to slowly add cores (in 128 job slots (64 core) blocks)

• JW

  • NTR

 

 

10:00 → 10:20 Status

10:20 → 10:40 Ongoing issues

• CentOS7 - Sussex

  • On Hold

• Grand Unified queues

  • On Hold

10:40 → 10:50 News round-table

• Vip

  • NTR

• Dan

  • Aim to fix residual problems from power issue today

• Matt

  • NTR

• Gareth

  • Will continue to slowly add cores (in 128 job slots (64 core) blocks)

• JW

  • NTR

10:50 → 11:00 AOB