Data Access

Data files are available:

RAW and Root files at LLR

The data directory containing RAW files and RunSummary is:

  • /data_ilc/flc/ECAL/tb-cern/2015/tb2015/
The root files (1st pass) is on
  • /data_ilc/flc/ECAL/tb-cern/2015/tb2015-pass1/

Root files @ CERN, on EOS:

They are stored on CERNbox which has a direct link to eos (user's space).

Check the OES best practise:

The procedure to copy the files is

cd «your data space» (e.g. with sufficient storage, don't use your afs directory... typically a temporary space).
. /afs/
eos ls -l "eos/user/b/boudry/tb2015-pass1/*0086*" (for run0086)
xrdcp --verbose "root://" ./

Raw, R, ROOT files @ CERN, on CASTOR

Raw files are stored on CASTOR /castor/ as 5 tarballs for run groups: 1-99, 100-199, 200-299, 300-399, 400-end. The last tarball also contains high voltage data. There are also 5 corresponding tarballs for reprocessed (v2) RData (runs_001_099_Rdata_v2.tgz etc.). Root files are in tb2015-pass1.tgz.

The R code, version 2 (v2) used to reprocess raw data -> RData: process_v2.R, presented in

The procedure to copy the files is (see, eg. for explanation of CASTOR commands):

  1. export STAGE_HOST=castorpublic
    (for CMS / ATLAS this should be castorcms / castoratlas instead of castorpublic; for csh/tcsh shells the environment is set with
    setenv STAGE_HOST castorpublic)
  2. nsls -l /castor/
    this lists all files in the directory (equivalent to ls -l)
  3. eg. for runs 1-99:
    rfcp /castor/ <your_local_file.tgz>

    where <your_local_file.tgz> may be eg. in /tmp/ directory of lxplus

  4. tar xvfz <your_local_file.tgz>
    this extracts all files from the tarball

-- Created by VincentBoudry - 2015-12-03

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Unknown file formatr process_v2.R r1 manage 9.5 K 2015-12-09 - 18:09 VladislavBalagura  
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Topic revision: r3 - 2016-02-12 - VincentBoudry
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