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StevenGoldfarbDQ2
(2009-05-13,
StevenGoldfarb
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<table width="99%"> <tr> <td valign="bottom" width="60"> <img src="https://twiki.cern.ch/twiki/pub/Atlas/WebPreferences/atlaslogo.png" alt="atlaslogo"/> </td> <td valign="bottom"> ---+!! Steve's Notes ---+!! _DQ2 Data Location & Retrieval_ </td> </tr> </table> --- [[StevenGoldfarbAthena][Athena]] | [[StevenGoldfarbVP1][VP1]] | [[StevenGoldfarbDQ2][DQ2]] | [[StevenGoldfarbWireSag][Wire Sag]] | [[StevenGoldfarbCluster][UM Cluster]] --- ---+++ Find some data with DQ2 at CERN See more detailed instructions at Atlas.DQ2ClientsHowTo . The DQ2 Dataset Browser provides a [[http://gridui02.usatlas.bnl.gov:25880/server/pandamon/query?overview=dslist][web interface]]. James Catmore's wiki on finding data: Atlas.DataPreparationReprocessing . 1 Set up the environmental variables. <verbatim> source /afs/cern.ch/atlas/offline/external/GRID/ddm/DQ2Clients/setup.sh </verbatim> 1 Initialize the ATLAS VO proxy. <verbatim> voms-proxy-init -voms atlas </verbatim> 1 Search for some Zmumu data <verbatim> dq2-ls mc12.\*Zmumu\* dq2-ls mc12.\*Zmumu\*RDO\* dq2-ls mc12.\*Zmumu\*AOD\* dq2-ls -f mc12.005145.PythiaZmumu.genfast.AOD.v12000702 </verbatim> 1 Retrieve a dataset from the grid to local directory <verbatim> cd /tmp/myusername dq2-get mc12.005145.PythiaZmumu.genfast.AOD.v12000702 dq2-get data08_cosmag.00091639.physics_RPCwBeam.recon.ESD.o4_f71_T1224030946 </verbatim> 1 Retrieve a file from the grid to local directory <verbatim> cd /tmp/myusername dq2-get -f valid1.005145.PythiaZmumu.digit.RDO.e322_s483 mc12.005145.PythiaZmumu.genfast.AOD.v12000702 </verbatim> ---+++ Using AMI to Get Dataset Information The AMI browser can provide important information about various physics data sets, including what geometry was used in production. 1 Find the geometry used for *valid1.005145.PythiaZmumu.digit.RDO.e322_s483* * Open [[http://ami.in2p3.fr:8080/AMI/servlet/net.hep.atlas.Database.Bookkeeping.AMI.Servlet.Command][AMI]] in a browser. * Enter =valid1.005145.PythiaZmumu.digit.RDO.e322_s483= in the top window. * Click on "Search Datasets" * Click on "Details" ---+++ Some Castor Commands If data has been retrieved to castor, files can be manipulated with a few simple commands. See Atlas.WorkBookCastor for a listing. Here are some examples: 1 List a directory <verbatim> rfdir /castor/cern.ch/user/g/goldfarb/Analysis/Zmumu </verbatim> 1 Copy a file to/from/within castor <verbatim> rfcp /tmp/myusername/mc12.005145.PythiaZmumu.genfast.AOD.v12000702/valid1.005145.PythiaZmumu.digit.RDO.e322_s483 /castor/cern.ch/user/g/goldfarb/Analysis/Zmumu rfcp /castor/cern.ch/user/g/goldfarb/Analysis/Zmumu/valid1.005145.PythiaZmumu.digit.RDO.e322_s483 ~/TestArea </verbatim> 1 Move a file within castor <verbatim> rfrename rfcp /castor/cern.ch/user/g/goldfarb/Analysis/Zmumu/ZmumuPythiaEndCapOnlySim09950.pool.root /castor/cern.ch/user/g/goldfarb/Analysis/Zmumu/StevesFavoriteFile.pool.root </verbatim> 1 Remove a file from castor <verbatim> rfrm /castor/cern.ch/user/g/goldfarb/Analysis/Zmumu/StevesFavoriteFile.pool.root </verbatim> --- *Major updates*:%BR% -- Main.StevenGoldfarb - 05 Sep 2006 -- Main.StevenGoldfarb - 29 Jan 2009 (made current) -- Main.StevenGoldfarb - 12 May 2009 (updated dq2 usage)
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Topic revision: r8 - 2009-05-13
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