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XCache DevOps Meeting Jan 14, 2021

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

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

Meeting Minutes:

	• Presentation by Aashay, student at UCSD
		• HTTPS compared to GridFTP
	• Development
		• RC waiting on SciTokens changes from Derek
		• ZTN - Way to disallow people to use a server unless a valid scitoken is presented
			• Seems to work fine
	• ATLAS
		• Caches are working fine
		• A lot of development on the image ATLAS is using
		• Used to use completely own image, now using base image, and a few changes from default.
		• Hopefully new images by end of today.  Hopefully deployed by end of this week.
	• CMS
		• Some instability in the SoCal cache.
		• Andy and Matevz tracking down bug, still discussing.
		• Possibly fixed already, improper handling errors in the client
		• Some deep discussion on debugging the problem
	• OSG
		• New XCache images
		• CMS monitoring was messed up when UCSD had DNS issues.
	• AOB
		• None today
There are minutes attached to this event. Show them.
    • 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