2023-06-08 Meeting Notes

Next steps for WN deployment

Planning for rollout; Anticipated for next week - Needs Thomas Birkett to confirm.
June 2023: Vector Read rollout (with XCache)

Tentative start date of June 7th, rollout is simpler compared to previous attempt (no drain required)

• Final steps:

  • Created RPM with final updates ?

  • tested Docker / xrootd configurations ?

  • other concerns ?

EBUSY in readV requests

XRD-64 - Getting issue details... STATUS

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

SEGV investigations with -S multi-stream flags

Ian Johnson Work ongoing to use git bisect to identify the change that appears to ‘fixe’ this issue

CMSD status

XRD-41 - Getting issue details... STATUS

single slash behaviour with cmsd redirector

“/” vs “//” issue:

• Characterise the behaviour

• Understand if this is something we need to provide some mitigating action on?

Options:

1. Insist clients use “filesystem” like access (i.e. //) for root

2. Allow mixed use filesystem and object id access. Add all.export <pool> lines for each pool

   1. can even remove the “/” export and add explicitly:
      

      all.export <vo>
      all.export /<vo>

3. Understand / create / fix(?) oss.statlib functionality to behave as expected from crd-dev perspective