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Alien Tutorial Solutions AliEn Tutorial Solutions Panos Christakoglou University of Athens - CERN 10/10/06 [email protected] -AliEn Tutorial 1 Installation of AliEn software Try it out For the solutions, we assume that the user name is trn2301 with the following attributes: ● Local home directory: /home/trn2301 ● Alien home directory: /alice/cern.ch/user/t/trn2301 change the names accordingly to match your case!!! Download the installer from the web [bash]$ wget http://alien.cern.ch/alien-installer Make the file executable [bash]$ chmod a+x alien-installer Run the installer [bash]$ ./alien-installer 10/10/06 [email protected] -AliEn Tutorial 2 Authentication Try it out Get a valid proxy [bash]$ --> Your local bash shell [bash]$ grid-proxy-init [aliensh]$ --> Your alien bash //provide the password when asked shell No notation --> inside a file Get a valid token [bash]$ alien-token-init trn2301 //the username is optional and should be put if the local username isn't the same as the alien one Get your proxy info [bash]$ grid-proxy-info Get your token info [bash]$ alien-token-info 10/10/06 [email protected] -AliEn Tutorial 3 General description of the shell Try it out (1) Access the shell [bash]$ --> Your local bash shell [bash]$ aliensh [aliensh]$ --> Your alien bash shell No notation --> inside a file Check your user name [aliensh]$ whoami List the contents of your alien directory [aliensh]$ whoami Check the alien working direcory [aliensh]$ pwd 10/10/06 [email protected] -AliEn Tutorial 4 General description of the shell Try it out (2) Create the following directory structure in your alien $HOME directory: Tutorial/XML/jdl [aliensh]$ mkdir Tutorial [bash]$ --> Your local bash shell [aliensh]$ --> Your alien bash [aliensh]$ mkdir Tutorial/XML shell No notation --> inside a file [aliensh]$ mkdir Tutorial/XML/jdl Tutorial/XML/par [aliensh]$ mkdir Tutorial/XML/par Tutorial/XML/output [aliensh]$ mkdir Tutorial/XML/output Tutorial/XML/selectors [aliensh]$ mkdir Tutorial/XML/selector Tutorial/XML/macros [aliensh]$ mkdir Tutorial/XML/macros 10/10/06 [email protected] -AliEn Tutorial 5 General description of the shell Try it out (3) Get the information of the file: /alice/cern.ch/user/p/pchrist/Tutorial/XML/selectors/esdPt.C [aliensh]$ whereis /alice/cern.ch/user/p/pchrist/Tutorial/XML/selectors/esdPt.C [bash]$ --> Your local bash shell [aliensh]$ --> Your alien bash shell No notation --> inside a file 10/10/06 [email protected] -AliEn Tutorial 6 Working with the file catalog Try it out (1) Exit the shell [bash]$ --> Your local bash shell [aliensh]$ --> Your alien bash [aliensh]$ exit shell No notation --> inside a file Create the following directory structure in your local $HOME directory: AliEn/PDC06/001 and AliEn/PDC06/002 [bash]$ mkdir AliEn [bash]$ mkdir AliEn/PDC06 [bash]$ mkdir AliEn/PDC06/001 [bash]$ mkdir AliEn/PDC06/002 AliEn/Tags, AliEn/Local, AliEn/Interactive and AliEn/Batch [bash]$ mkdir AliEn/Tags [bash]$ mkdir AliEn/Local [bash]$ mkdir AliEn/Interactive [bash]$ mkdir AliEn/Batch 10/10/06 [email protected] -AliEn Tutorial 7 Working with the file catalog Try it out (2) Copy the following files from the file catalog to your local $HOME/AliEn/Local directory: /alice/cern.ch/user/p/pchrist/Tutorial/LOCAL/ESD.par [aliensh]$ cp /alice/cern.ch/user/p/pchrist/Tutorial/LOCAL/ESD.par file:/home/trn2301/AliEn/Local/ESD.par /alice/cern.ch/user/p/pchrist/Tutorial/LOCAL/esdPt.C [aliensh]$ cp /alice/cern.ch/user/p/pchrist/Tutorial/LOCAL/esdPt.C file:/home/trn2301/AliEn/Local/esdPt.C /alice/cern.ch/user/p/pchrist/Tutorial/LOCAL/esdPt.h [aliensh]$ cp /alice/cern.ch/user/p/pchrist/Tutorial/LOCAL/esdPt.h file:/home/trn2301/AliEn/Local/esdPt.h /alice/cern.ch/user/p/pchrist/Tutorial/LOCAL/demoLocal.C [aliensh]$ cp /alice/cern.ch/user/p/pchrist/Tutorial/LOCAL/demoLocal.C file:/home/trn2301/AliEn/Local/demoLocal.C [bash]$ --> Your local bash shell [aliensh]$ --> Your alien bash shell No notation --> inside a file 10/10/06 [email protected] -AliEn Tutorial 8 Working with the file catalog Try it out (3) Copy the following files from the file catalog to your local $HOME/AliEn/Tags directory: /alice/cern.ch/user/p/pchrist/Tutorial/TAGS/ESD.par [aliensh]$ cp /alice/cern.ch/user/p/pchrist/Tutorial/TAGS/ESD.par file:/home/trn2301/AliEn/Tags/ESD.par /alice/cern.ch/user/p/pchrist/Tutorial/TAGS/CreateTags.C [aliensh]$ cp /alice/cern.ch/user/p/pchrist/Tutorial/TAGS/CreateTags.C file:/home/trn2301/AliEn/Tags/CreateTags.C [bash]$ --> Your local bash shell [aliensh]$ --> Your alien bash shell No notation --> inside a file 10/10/06 [email protected] -AliEn Tutorial 9 Working with the file catalog Try it out (4) Copy the following files from the file catalog to your local $HOME/AliEn/PDC06/001 and $HOME/AliEn/PDC06/002 directories: /alice/cern.ch/user/a/aliprod/prod2006_2/output_pp/100/002/AliESDs.ro ot [aliensh]$ cp /alice/cern.ch/user/a/aliprod/prod2006_2/output_pp/100/002/AliESDs. root file:/home/trn2301/AliEn/PDC06/001/AliESDs.root /alice/cern.ch/user/a/aliprod/prod2006_2/output_pp/100/004/AliESDs.ro ot [aliensh]$ cp /alice/cern.ch/user/a/aliprod/prod2006_2/output_pp/100/004/AliESDs. root file:/home/trn2301/AliEn/PDC06/002/AliESDs.root [bash]$ --> Your local bash shell [aliensh]$ --> Your alien bash shell No notation --> inside a file 10/10/06 [email protected] -AliEn Tutorial 10 Working with the file catalog Try it out (5) Query the f.c. and get all the tag files (*.tag.root) under: /alice/cern.ch/user/a/aliprod/prod2006_2/output_pp/100/* and redirect it to the file tag100.xml [aliensh]$ find -x tag100 alice/cern.ch/user/a/aliprod/prod2006_2/output_pp/100/* tag.root > tag100.xml Repeat the previous exercise, limiting this time the number of output files to 10 and copy the xml file to your local $HOME/AliEn/Interactive [aliensh]$ find -l 10 -x tag100 alice/cern.ch/user/a/aliprod/prod2006_2/output_pp/100/* tag.root > tag100.xml [aliensh]$ exit [bash]$ mv tag100.xml /home/trn2301/AliEn/Interactive/ [bash]$ --> Your local bash shell [aliensh]$ --> Your alien bash shell No notation --> inside a file 10/10/06 [email protected] -AliEn Tutorial 11 Local analysis Try it out Open your local $HOME/AliEn/Tags/CreateTags.C file and modify it accordingly t->ReadLocalCollection("/home/trn2301/AliEn/PDC06"); [bash]$ --> Your local bash shell Run it to create the tag files. [aliensh]$ --> Your alien bash shell [bash]$ root.exe -b -q CreateTags.C No notation --> inside a file Delete the single tag files and stay with just the merged one. [bash]$ rm Run100.Event* Go to your local $HOME/AliEn/Local directory and open the demoLocal.C file. Change the line where you define the location of the tag files and run the macro. TagAna->ChainLocalTags(“/home/trn2301/AliEn/Tags”); [bash]$ root.exe demoLocal.C Impose some selection criteria inside the macro and rerun the example. EvCuts->SetMultiplicityRange(10,15); 10/10/06 [email protected] -AliEn Tutorial 12 Interactive analysis Try it out (1) Copy the following files to your local $HOME/AliEn/Interactive: /alice/cern.ch/user/p/pchrist/Tutorial/INTERACTIVE/ESD.par [aliensh]$ cp /alice/cern.ch/user/p/pchrist/Tutorial/INTERACTIVE/ESD.par file:/home/trn2301/AliEn/Interactive/ /alice/cern.ch/user/p/pchrist/Tutorial/INTERACTIVE/esdPt.h [aliensh]$ cp /alice/cern.ch/user/p/pchrist/Tutorial/INTERACTIVE/esdPt.h file:/home/trn2301/AliEn/Interactive/ /alice/cern.ch/user/p/pchrist/Tutorial/INTERACTIVE/esdPt.C [aliensh]$ cp /alice/cern.ch/user/p/pchrist/Tutorial/INTERACTIVE/esdPt.C file:/home/trn2301/AliEn/Interactive/ /alice/cern.ch/user/p/pchrist/Tutorial/INTERACTIVE/demoInteractive.C [aliensh]$ cp /alice/cern.ch/user/p/pchrist/Tutorial/INTERACTIVE/demoInteractive.C file:/home/trn2301/AliEn/Interactive/ 10/10/06 [email protected] -AliEn Tutorial 13 Interactive analysis Try it out (2) Go to your local $HOME/AliEn/Interactive directory and open the demoInteractive.C file. Change the line where you define the tag collection and put the name of the file you created by querying the f.c (it should be tag100.xml). TAlienCollection* coll = TAlienCollection::Open("tag100.xml"); Run the macro. [bash]$ root.exe demoInteractive.C Impose some selection criteria and rerun the example. EvCuts->SetMultiplicityRange(10,15); [bash]$ --> Your local bash shell [aliensh]$ --> Your alien bash shell No notation --> inside a file 10/10/06 [email protected] -AliEn Tutorial 14 Batch analysis Try it out (1) Copy the following files to $HOME/AliEn/Batch: /alice/cern.ch/user/p/pchrist/Tutorial/BATCH/ESD.par [aliensh]$ cp /alice/cern.ch/user/p/pchrist/Tutorial/BATCH/ESD.par file:/home/trn2301/AliEn/Batch/ /alice/cern.ch/user/p/pchrist/Tutorial/BATCH/esdPt.h [aliensh]$ cp /alice/cern.ch/user/p/pchrist/Tutorial/BATCH/esdPt.h file:/home/trn2301/AliEn/Batch/ /alice/cern.ch/user/p/pchrist/Tutorial/BATCH/esdPt.C [aliensh]$ cp /alice/cern.ch/user/p/pchrist/Tutorial/BATCH/esdPt.C file:/home/trn2301/AliEn/Batch/ /alice/cern.ch/user/p/pchrist/Tutorial/BATCH/demoBatch.C [aliensh]$ cp /alice/cern.ch/user/p/pchrist/Tutorial/BATCH/demoBatch.C file:/home/trn2301/AliEn/Batch/ 10/10/06 [email protected] -AliEn Tutorial 15 Batch analysis Try it out (2) /alice/cern.ch/user/p/pchrist/bin/batch.sh [aliensh]$ cp /alice/cern.ch/user/p/pchrist/Tutorial/BATCH/batch.sh file:/home/trn2301/AliEn/Batch/ /alice/cern.ch/user/p/pchrist/Tutorial/BATCH/pp10.xml [aliensh]$ cp /alice/cern.ch/user/p/pchrist/Tutorial/BATCH/pp10.xml file:/home/trn2301/AliEn/Batch/ /alice/cern.ch/user/p/pchrist/Tutorial/BATCH/analysis.jdl [aliensh]$ cp /alice/cern.ch/user/p/pchrist/Tutorial/BATCH/analysis.jdl file:/home/trn2301/AliEn/Batch/ [bash]$ --> Your local bash shell [aliensh]$ --> Your alien bash shell No notation --> inside a file 10/10/06 [email protected] -AliEn Tutorial 16 Batch analysis Try it out (3) Modify the InputFile, InputDataCollection and OutputDir fields of your analysis.jdl.
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