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\uD83D\uDC65 Participants
Lancs: Gerard, Matt, Steven
Glasgow: Sam
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Item | Presenter | Notes | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Operational Issues (Gateway Auth failures) | Upgrade of the GWs to happen on Weds / thurs next week | ||||||||||
cms-aaa naming convention | cms-aaa is the only remaining personality to use proxy/ceph as the xrootd service names Separate naming convention would be more appropriate, to have main/supporting (not so urgent). CC created, but due to be reviewed December | ||||||||||
XRootD Managers De-VMWareification |
Option 2 preferred for efficiency, but Option 1 decided on Option 1 would be simpler to implement for a temporary fix, as the move would be reversed antares tpc nodes to be moved to an echo leafsw, to confirm ipv4 real estate with James | ||||||||||
Compilation and rollout status with XrdCeph and rocky 8: 5.7.x | Upstream merging in process. Branch now exists. Documention (particularly for the Buffered IO is needed). | ||||||||||
Shoveler | |||||||||||
Deletion studies through RDR | |||||||||||
Deletions |
| Comparing deletion timings for 1000 and 4000 x2.5GB files, using 8 and 32 WebDAV clients respectively, running on a single VM node: 1000 files, 8 clients - 27 Hz - 69.4 GB/s 4000 files, 32 clients - 31 Hz - 71.1 GB/s | |||||||||
periodic hackaton? | XRootD Writable Workernode Gateway Hackaton (XWWGH) Tues 12th Nov 1600 | ||||||||||
Xrootd testing framework | |||||||||||
100 GbE Gateway testing: | /wiki/spaces/UK/pages/215941180
Manual for initial setup | ||||||||||
UKSRC Storage Architecture | |||||||||||
Tokens Status |
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on GGUS:
Site reports
Lancaster: Gerard updated to the latest reef (18.2.4), it wasn’t a completely smooth process but we got there in the end. Also as discussed in storage on Wednesday, turning off mclock made ceph behave a lot better.Manchester Our scrubbing stats suddenly picked up last Friday, we’re not sure why but we’re not complaining.
Also as seen during Wednesday’s storage meeting with experimenting with bindfs to do “cunning” things with user mapping, and rolled out a “ofs.crmode” setting to our xroot cluster as we’re consistently getting into LSST trouble with file/directory permission/ACLs.
Manchester: also noticed similar problems with mclock (3 objects/hour with mclock). changing settings didn’t seem to have an effect,
lots of scrubbing but not updating the scrub date (scrubbing a bit broken on reef)
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