2023-06-01 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)

EBUSY in readV requests

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

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

CMSD status

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

single slash behaviour with cmsd redirector

“/” vs “//” issue:

• Characterise the behaviour

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

bypass fix:
in the select function, insert a “/“ at the start of the path if not present. This would result in the cmsd query to servers being the correct “/pool“ request instead of “pool“

Manager hosts currently considered as “clients” of the managers in Aquilon; @James Walder to remove this relationship.
Will enable the “allowed hosts” (to be able to connect to the managers) to be a list of only the xrootd server hosts