PPT-XRootD

LSST Data Management Database Architecture Review SLAC National Accelerator Laboratory August 67 2013 Andrew Hanushevsky SLAC httpxrootdorg A Bit Of XRootD History 1997 Objectivity Inc collaboration. Bestman. and . Xrootd. Storage. Wei Yang. Alex . Sim. US ATLAS Tier2/Tier3 meeting at Univ. of Chicago. Aug 19-20, 2009. 1. Over View of what SLAC has. 2. Redirector. Xrootd/cmsd. Name space. xrootd. Andrew . Hanushevsky. SLAC National Accelerator Laboratory. Stanford University. 29-October-09. ATLAS Tier 3 Meeting at ANL. http://xrootd.slac.stanford.edu/. 2. Outline. System Overview. What’s it made of and how it works. Ilija Vukotic. ADC TIM - Chicago. October 28, 2014. Caching – why and where?. Straight Tier3 . Most of the disk space is devoted to input data. The input data is almost always from downloaded from the grid. Wahid Bhimji. Xrootd. testing. Xrootd. as a file access protocol used by HEP that offers both performance in file access as well as failover / redirection. Recently DPM support of this improved. . ECDF (and Glasgow) now use . XRootD. monitoring data from . MonALISA. Sergey . Belov. , JINR, . Dubna. Sergey.Belov@cern.ch. DNG section meeting, 30.10.2012. Motivation. XRootD. federations monitoring is of importance for ALICE, ATLAS, CMS. Doug Benjamin. Duke University. ANL ATLAS Analysis Center. “prototype” Tier 3 . Used to develop all of the scripts needed to setup a Tier 3 site – . Used to test tools and software to train others. . Spring 2015 . – Oxford, UK. William . Strecker. -Kellogg willsk@bnl.gov. RHIC/ATLAS Computing Facility. Brookhaven National Lab. About 70 miles from NYC. Hosts RHIC. Provides computing services for both RHIC experiments and serves as ATLAS Tier-1 for the US.. http://xrootd.slac.stanford.edu. Cooperation among ALICE . SEs. Current status and directions. (The ALICE Global redirector). Fabrizio Furano. CERN IT/GS. Oct 2008. ALICE Offline Week. 0. The ALICE global redirector. From the . xrootd. and . Scalla. perspective. In the ALICE Computing. Fabrizio. . Furano. CERN IT/GS. 11-July-08. http://savannah.cern.ch/projects/xrootd. http://xrootd.slac.stanford.edu. So many new directions. Fabrizio Furano. The ALICE recipe for storage. Many sites, exposing the XROOTD protocol. Native XROOTD. A few with DPM+XROOTD. One with CASTOR+XROOTD. A few with . Dcache’s. Xrootd protocol implementation. date technical survey about xrootd-based . storage solutions. Outline. Intro. Main use cases in the storage arena. Generic Pure xrootd @ LHC. The . Atlas@SLAC. way. The Alice way. CASTOR2. Roadmap. Conclusions. Storage. Computing in High Energy & Nuclear Physics. CHEP May 8-12, 2023. Andrew Hanushevsky, SLAC. S3 Gateway Architecture. Based on . XrdCl. (xrootd client) http. plug-in. Uses Davix, an HTTP SDK developed at CERN. . This project is supported by National Science Foundation under Cooperative Agreement OAC-1836650. Any opinions, findings, conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.. Outcome of Amsterdam Jamboree. Andrea Sciabà. Réunion. des sites LCG-France. 24-25 June, CPPM Marseille. Introduction. Held in Amsterdam. Two and a half days. 100 attendees. 30 presentations. http://indico.cern.ch/event/92416.