CRAB Tutorial

CRAB Tutorial

Login to lpc

ssh USER@cmslpc-sl6NOSPAMPLEASE.fnal.gov

Set up enviroment

source /cvmfs/cms.cern.ch/cmsset_default.csh

Begin tutorial

cd ~

mkdir CRAB3-tutorial

cmsrel CMSSW_7_3_5_patch2


Set CMSSW enviroment

cd ~/CRAB3-tutorial/CMSSW_7_3_5_patch2/src

cmsenv

Set CRAB enviroment

source /cvmfs/cms.cern.ch/crab3/crab.csh

Present proxy(show that you are part of a trusted VO, this case CMS)

voms-proxy-init --voms cms

Running an analysis

Analysis

First we need to make a configuration file for CSSW. This is a python script that access the file we want and set a some options

import ParameterSet.Config as cms

process = cms.Process('NoSplit')

process.source = cms.Source("PoolSource", fileNames = cms.untracked.vstring())

process.maxEvents = cms.untracked.PSet(input = cms.untracked.int32(10))

process.options = cms.untracked.PSet(wantSummary = cms.untracked.bool(True))

process.output = cms.OutputModule("PoolOutputModule", outputCommands = cms.untracked.vstring("drop *", "keep recoTracks_*_*_*"), fileName = cms.untracked.string('output.root'),

)

process.out = cms.EndPath(process.output)

note.gif Note: The input dataset is not yet specified in this file. When running the analysis with CRAB, the input dataset is specified in the CRAB configuration file.

Monte Carlo

-- JosephYadielCorderoMercado - 2018-09-06

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Topic revision: r1 - 2018-09-06 - JosephYadielCorderoMercado
 
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