XCache DevOps Meeting Nov 19, 2020

Thursday 19 Nov 2020, 13:00 → 14:10 US/Central

Derek Weitzel (University of Nebraska - Lincoln), Marian Zvada (US CMS)

Time: 11AM PT/1PM CT/2PM ET/8PM CET
Where: ZOOM.US

Join from PC, Mac, Linux, iOS or Android: https://unl.zoom.us/j/651969661
Meeting is password-protected: ask #xcache slack channel or xcache@opensciencegrid.org

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    Dial(for higher quality, dial a number based on your current location):
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    Meeting ID: 651 969 661
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	• Development
		• Finished additions to xcache for 5.1
			• RC1 in a week or 2.
		• Very important to test the 5.1 RC, significant changes in xcache
		• 5.0.3 is also being released soon.  Delayed because it broke DPM compat
		• Considering moving from OpenSSL to NSS
	• ATLAS
		• 1 more Xcache deployed in Prague
		• Issue with several origins
		• Maybe a cipher mismatch due to TLS handshake failure?
			• Not very clear log.  Broken pipe message shows in log
			• Client says: "Unable to open"
			• Xcache Log: "No message of desired type"
	• CMS
		• Checksum filepath issue, will open xrootd ticket
	• OSG
		• (no report)
	• AOB
		• Nothing

13:00 → 13:05 News

Conveners: Dr Derek Weitzel (University of Nebraska - Lincoln), Mr Marian Zvada (US CMS)

13:05 → 13:10 XRootD development for XCache

General status of development, XRootD releases with new cache features, bug fixes, etc...

Conveners: Mr Andrew Hanushevsky (SLAC National Accelerator Laboratory), Matevz Tadel (UCSD), Wei Yang (SLAC)

13:10 → 13:15 XCache issues

XCache issues experienced during the deployment, configuration or otherwise causing problems in production or development.

13:15 → 13:20 ATLAS XCache deployment

Conveners: Dr Ilija Vukotic (LAL), Wei Yang (SLAC)

13:20 → 13:25 CMS XCache deployment

Conveners: Diego Ciangottini (Universita e INFN, Perugia (IT)), Mr Edgar Fajardo Hernandez (UCSD), Prof. Frank Wuerthwein (UCSD)

13:25 → 13:35 OSG StashCache deployment

Status of OSG deployment, origin/caches operations, stashcp, usage, etc...

Conveners: Brian Bockelman, Brian Lin (University of Wisconsin-Madison), Dr Derek Weitzel (University of Nebraska - Lincoln), Mr Edgar Fajardo Hernandez (UCSD), John Hicks (Internet2), Mr John Thiltges (University of Nebraska - Lincoln), Mr Marian Zvada (US CMS), Mr Matyas Selmeci (University of Wisconsin-Madison)

13:35 → 13:40 XRootD transfers monitoring

Conveners: Dr Derek Weitzel (University of Nebraska - Lincoln), Diego Davila (CMS), Mr Edgar Fajardo Hernandez (UCSD)

13:40 → 13:45 AOB