Extracting logs from a run to a text file

You would like to follow this procedure if you want to inject a particular run to a replay

  • Go to the TransferSystem folder:
     ssh vocms001
     cd /data/TransferSystem 
  • Execute the following command to filter the logs of a particular run, replacing the fields <RunNumber> for the desired run. Be careful with the quotes in the template:
     cat Logs/General.log* | grep "'Tier0Inject' => '1'" | grep "'RUNNUMBER' => '<RunNumber>'" > Run<RunNumber>.txt> 
    An example command would be:
     cat Logs/General.log* | grep "'Tier0Inject' => '1'" | grep "'RUNNUMBER' => '270271'" > Run270271.txt 

         The file created (Run270271.txt in the example) will contain the desired logs.

  • You can check the file content to be sure that you get what you need. It should be contain several lines like this:
     Tue Apr 19 11:55:52 2016: { 'Tier0Inject' => '1', 'APP_NAME' => 'CMSSW', 'APP_VERSION' => 'CMSSW_8_0_3',
     'HLTKEY' => '/cdaq/special/QuietBeams/v1.0.2/HLT/V1', 'NEVENTS' => '2205', 'RUNNUMBER' => '270271', 'CHECKSUM' => '66e3fd7b', 'T0FirstKnownTime' => '1461059712', 
     'PFN' => '/eos/cms/store/t0streamer/Data/Calibration/000/270/271/run270271_ls0001_streamCalibration_StorageManager.dat', 'STREAM' => 'Calibration', 'LUMISECTION' => '1',
     'TYPE' => 'streamer', 'START_TIME' => '1461059709', 'FILESIZE' => '2880293', 'STOP_TIME' => '1461059711', 'LFN' =>   
     /store/t0streamer/Data/Calibration/000/270/271/run270271_ls0001_streamCalibration_StorageManager.dat' } 

Every line is a log transferred transferred to the Tier-0 and it contains the necessary information to configure the processing there.

-- JohnHarveyCasallasLeon - 2016-04-19

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Topic revision: r2 - 2016-04-19 - JohnHarveyCasallasLeon
 
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