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XRootD Dev • Data integrity - not much to discuss. TLS will solve it, and other solutions may come too. • Alternative (non-TLS) data integrity will be in a feature release in the 5 series. • v5 status • On target for release candidates at the end of year. • Release 5 in first quarter 2020. • Big part is the TLS. Testing has not broke things yet… • Extended attributes already tested and works. ATLAS XCache Deployment • Tool for data integrity checks. • Diego is working on it. • Ilija sent him bad files for testing. • Restarting work with Wenjing Wu (AGLT2) • XCache was working fine all this time at UChicago • Even for hot files, avg rate of reading per file is small (2MB/s) • Using cinfo parser. • Total rate of server is 2Gbps • Working on AGLT2’s xcache. CMS XCache Deployment • Discussion with users about non-cmssw use? • Additional CMS sites with xcache? • CMS Xcache documentation has a PR right now! • https://github.com/opensciencegrid/docs/pull/619 OSG StashCache Deployment • I2 further deployment • Houston & Sunnyvale - Deployed but not “finalized”. Only at 10Gbps for now, soon at 100Gbps • Amsterdam - Still stuck in customs, same as last week. • OSG nodes back online from security incident? • Issues with stashcache container installation and authentication back to the origin • GSI replacement document: • https://docs.google.com/document/d/1DAFeAaUmHHVcJGZMTIDUtLs9koCruQRDY1sJq1opeNs/edit#heading=h.43i3nfu6v7hb • Configure xcache report to central collector with SSL? AOB • Validation of transfer (fstream) statistics, as discussed at IRIS-HEP retreat.