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Item | Presenter | Notes | |||||||||
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Operational Issues | mitigations have been communicated to ATLAS for the jobs using 5.6.0 clients reboot campaign | ||||||||||
XRootD Managers De-VMWareification (Moving to physical hosts) | /wiki/spaces/GRIDPP/pages/872644647
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Release of 5.7.3 (May expect an 5.8.X prior to 6.X?) | https://github.com/xrootd/xrootd/releases/tag/v5.7.3
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Checksums issue with an ATLAS file | https://github.com/xrootd/xrootd/issues/2388 https://ggus.eu/index.php?mode=ticket_info&ticket_id=169360 Checksum requested before whole file is updated. No ability to do stale checksum check in ceph, so original checksum ‘sticks’ to the file. fix in place RAL side by clearing checksums after a write is complete | ||||||||||
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 hostXRootD 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 hosts moved to rack, renamed and IP assigned. pending DI advertisement | Compilation and rollout status with XrdCeph and rocky 8: 5.7.x | 5.7.2 published. 5.7.2 skipped on farm due to pfc bug, possible RAL release 5.7.3 equivalent with a fix for that and 5.6.0 client compatibility | |||||||||
Shoveler | |||||||||||
On the fly Checksums
| Added configuration to PoC: option to turn on/off Adler32 on-the-fly calculation. Proved ability to set XrdCks.adler32 attribute from “standalone” code (running from the command line), will incorporate this into PoC code next. (Wasted time looking for attribute in wrong file…) also to measure - trougput pattern (does this replicate the double troughput seen currently on first checksum request?) discussed on possible implementation as plugin/base xrootd crc32 also implemented here, noted that any new communities should use straight crc32 variants. | ||||||||||
Deletions |
| NTR | |||||||||
XRootD Writable Workernode Gateway Hackaton | XRootD Writable Workernode Gateway Hackaton (XWWGH) sandbox with fixes present, tested on lhcb workernode, reading works fine as is, writes still need testing to let jobs only write on that WN
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Xrootd testing framework | Discussion in Storage Meeting in how to integrate the various testing structures within the UK. container with the testing framework TBD | ||||||||||
100 GbE Gateway testing: | UKSRC - XRootD used Acting as source for SRCNet testingverification tests; not being stressed so far … Teir-1 cabled, but awaiting some work to progress on the Swtich . | ||||||||||
UKSRC Storage Architecture | Through discussions, need to change the DNS entries for the data and mgmt interfaces, update netbox and reconfigure in AQ. Data network will be (exclusively) for the DTN / data traffic. mgmt for ancillary needs (icinga, AQ). Host will be known via its mgmt dns name (the canonical name). | ||||||||||
Tokens Status |
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