2023-03-02 Meeting Notes
Date
Mar 2, 2023
Participants
@James Walder
@Thomas, Jyothish (STFC,RAL,SC)
@Thomas Byrne
@Ian Johnson
Lancs: Gerard, Matt, Steven
Manchester; Alessandra
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
ceph-gw14: CMSD configuration (connected to manager01/02, but transfers continuing through usual endpoints (e.g. ‘passive’ mode).
ceph-gw1,2,3, 8 pre-prod machines also for testing
lcg2269 and lcg2270 with Vector read patch (+ openssl fix)
WNs openssl fix rolling out
CMSD redirection:
Providing HA frontend
Discussion with JA on best practice.
No need to use the load balancer; set up the keep-alived on the hosts themselves
Forgot to request OPN IPs for the echo-manager hosts
Alice gateway congfiguration
Updates for space reporting and the related activities
Item | Presenter | Notes |
|
---|---|---|---|
simultaneous file reads issue | JW | Done (pending any further improvements.) https://github.com/stfc/xrootd-ceph/pull/38 |
|
Status of space reporting and tests on Alice dev gateway and setting up of a unified configuration. |
| https://stfc.atlassian.net/browse/XRD-21 Including unified setup Reduced amount of logging, added Doxygen-style comments for methods Jyothish and Ian worked on. Ease building XrdCeph RPM by emitting source tarball instead of source RPM (latter not directly used). unified tpc setup sandboxed on dev |
|
CMSD status |
| https://stfc.atlassian.net/browse/XRD-41 Firewall holes for the managers requested, Initial LB config (other changes seem to have crept in) |
|
Monitoring of memory spikes |
| script developed, setting up sandbox with cron job |
|
GGUS:
Problem accessing some LHCb files at RAL
Site reports
Lancaster
posix.Symlink testing: https://its.cern.ch/jira/browse/ATLDDMOPS-5638
cephfs / rucio directory ACLS
Action items
Create Jira for Checksumming updates for 3.7+ (especially for Rocky 9 releases).
Decisions