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SUMMARY:LHC Cloud Computing with CernVM
DTSTART;VALUE=DATE-TIME:20100223T084000Z
DTEND;VALUE=DATE-TIME:20100223T092000Z
DTSTAMP;VALUE=DATE-TIME:20130523T094458Z
UID:indico-contribution-61@cern.ch
DESCRIPTION:Speakers: Dr. SEGAL\, Ben (CERN)\nUsing virtualization technol
 ogy\, the entire application environment of an LHC experiment\, including 
 its Linux operating system and the experiment's code\, libraries and suppo
 rt utilities\, can be incorporated into a virtual image and executed under
  suitable hypervisors installed on a choice of target host platforms. \n\n
 The Virtualization R&D project at CERN is developing CernVM\, a virtual ma
 chine designed to support the full range of LHC physics computing on a wid
 e range of hypervisors and platforms including end-user laptops\, Grid and
  cluster nodes\, volunteer PC's running BOINC\, and nodes on the Amazon El
 astic Compute Cloud (EC2). CernVM interfaces to the LHC experiments' code 
 repositories by means of a specially tuned network file system CVMFS\, ens
 uring complete compatibility of the application with the developers' nativ
 e version. CernVM provides mechanisms to minimize virtual machine image si
 zes and to keep images efficiently up to date when code changes. \n\nCernV
 M also provides interfaces to the LHC experiments' job submission systems 
 and workload management systems (e.g. ATLAS/PanDA\, LHCb/DIRAC\, ALICE/Ali
 en)\, allowing clouds of CernVM-equipped worker nodes to be accessed by th
 e experiments without changing their job production procedures. \n\nCurren
 tly supported clouds include Amazon EC2\, private clusters\, Tier3 sites\,
  and a cloud of BOINC volunteer PC's which represents a very large potenti
 al resource\, so far untapped by the LHC experiments. \n\nThis paper prese
 nts the current state of development of CernVM support for LHC cloud compu
 ting.\n\nhttp://indico.cern.ch/contributionDisplay.py?contribId=61&session
 Id=2&confId=59397
LOCATION:Jaipur\, India
URL:http://indico.cern.ch/contributionDisplay.py?contribId=61&sessionId=2&
 confId=59397
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