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Item | Presenter | Notes | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Operational Issues | |||||||||||
XRootD Managers De-VMWareification (Moving to physical hosts) | |||||||||||
XRootD collaboration Meeting | |||||||||||
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, and sandbox is prepared and has been tested on a test host | ||||||||||
cms-aaa jemalloc use | testing on svc20, some memory leak still present | ||||||||||
Compilation and rollout status of RAL XRootD versions | 5.7.2 published. 5.7.2 skipped on farm due to pfc bug, 5.7.3 released | ||||||||||
Shoveler | |||||||||||
On the fly Checksums
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Deletions |
| NTR | |||||||||
XRootD Writable Workernode Gateway Hackaton | The sandbox is deployed to the whole preprod farm. LHCb uploads look OK, Atlas and CMS have not tested the new setup yet.  | ||||||||||
Plan: file query system to summarize XRootD Logs | Plan to create a system to store info from across all gateways to search a filename and get creation time, last write time, last successful stat and deletion time in case of ‘lost’ files. Possible graduate sideproject. | ||||||||||
100 GbE Gateway testing: | UKSRC - Acting as source for SRCNet verification tests; not being stressed so far … Teir-1 . | ||||||||||
UKSRC Storage Architecture | |||||||||||
Tokens Status |
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on GGUS:
Site reports
Lancaster:
All on 5.7.3, for the last week, no issues.
Following on from last week, Steven has been upping our number of shoveller instances, we’ll see how that goes.
As mentioned in storage we’re shopping for some new gateways - getting quotes for single socket Dell boxes with quad-port 25Gb NICs (and looking at 100Gb options). Our plan is to have the external port on a single 25Gb and internal on a pair of bonded NICs.
Also mentioned was Gerard's “xrootd restarter” service, which will shepherd regular rolling restarts of our xroot services (as a means to deal with xroot’s poor connection handling).
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Glasgow -
✅ Action items
How to replace the original functionality of fstream monitoring, now opensearch has replaced existing solutions.
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