2023-07-06 Meeting Notes

Owned by James Walder
Last updated: Jul 13, 2023
1 min read

 Date

Jul 6, 2023

 Participants

  • @Thomas, Jyothish (STFC,RAL,SC)

  • @Ian Johnson

  • Tom B, Alex.

  • @James Walder

  • Lancaster: Matt, Gerard, Steven

  • Glasgow: Sam

Apologies:

 Goals

  • List of Epics

  • New tickets

  • Consider new functionality / items

  • Detailed discussion of important topics

  • Site report activity

 

 Discussion topics

Current status of Echo Gateways / WNs testing

Recent sandbox’s for review / deployments:

 

Item

Presenter

Notes

 

Item

Presenter

Notes

 

ReadV rollout status

 

Completed:
- remaining actions: save / document and close the slack channel.

 

EBUSY in readV requests (TBD)

 

https://stfc.atlassian.net/browse/XRD-64

Actions to analysis the existing behaviour with the read request (where EBUSY) is already handled.

 

SEGV investigations with -S multi-stream flags

 

Continuing.

 

CMSD status

 

https://stfc.atlassian.net/browse/XRD-41

single slash behaviour with cmsd redirector

  • PTR records needed (and requested) for the manager floating IPs

    • Allows for reverse DNS lookup back to the rdr address

    • resolves yellow Warning from CMS SAM tests

  • gw5 and gw14 connected to the redirector, and the two floating IPs added to the webdav and xrootd DNS entries

 

 

Bug fix release buffered-5.5.4-5 xroot-ceph

 

Catch issue with fast read requests with sub-ms timing; non striper reads gave improved read times, highlighting this issue.

 

token testing

 

No progress since last week; dev cluster back and running again.

 

xrootd gateway clustering

 

 

 

UDP Fireflies

 

 

 

on GGUS:

Site reports

 Action items

  •  

 

 Decisions