CMS SAM Analysis test

What it is

verify that CMSSW framework works at the site running cmsRun with a simple configuration file (from CMSWorkbook tutorial) that reads one data file. Does the same as remote analysis but w/o the CRAB wrapper, so that it is fast, simple and can easily be reproduced locally.

How does it work

  • Use latest production CMSSW versions which is available at all T1/T2, so to have same version at all sites
  • Reads in its entirety one data file from /store/data (picked at random each time) from the same dataset replicated at each site: /QCD_pt_0_15/SAM_IDEAL_V9_SAM/GEN-SIM-RAW-RECO
    • This dataset was created ad hoc for this test and it is subscribed to all sites. Picking at random one of the 10 files in the dataset makes the test a bit less trivial
  • No output is being written, and most of the event data are skipped (dropped in output), so the test runs fast.
  • The cmsRun configuration file follows the example in http://cmslxr.fnal.gov/lxr/source/FWCore/Integration/test/testRunMergeMERGE_cfg.py
  • Reads a file from /store/user/test. The file must be manually copied to the site SE for the test to find it. It can be copied with the command
    lcg-cp -b --vo cms -D srmv2 -T srmv2 'srm://srm-cms.cern.ch:8443/srm/managerv2?SFN=/castor/cern.ch/cms/store/user/test/TenEvents.root' <local_surl>
    , where <local_surl> must be such to copy the file under the right /store/user/test area with the same file name as the original.

Source code

Current test status

status of running this is available on CMS Dashboard or directly on SAM portal

What to do if it fails

FailingAnalysis

-- StefanoBelforte - 27 Mar 2008

Responsible: StefanoBelforte

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Topic revision: r8 - 2016-07-22 - AndreaSciaba
 
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