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

Or iPhone one-tap :
    US: +16699006833,,651969661#  or +14086380968,,651969661#
Or Telephone:
    Dial(for higher quality, dial a number based on your current location):
        US: +1 669 900 6833  or +1 408 638 0968  or +1 646 876 9923
    Meeting ID: 651 969 661
    International numbers available: https://unl.zoom.us/zoomconference?m=wxCNSgMZiA-cVKSNowGYlQ

	• 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

News

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

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)

XCache issues

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

ATLAS XCache deployment

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

CMS XCache deployment

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

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)

XRootD transfers monitoring

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

AOB