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Usage of CMS T2

T2_Beijing is the only T2 site in China mainland, which provides computing and storage resources for CMS production and analysis jobs from grid. The common T2 UI is lcg003.ihep.ac.cn. Users have better use cms UI(cmsui.ihep.ac.cn) to do the submission to avoid jam in command UI.


  • To use CMSSW, please setup the environment in your job script like the following.
   export VO_CMS_SW_DIR=/opt/exp_soft/cms
   source $VO_CMS_SW_DIR/cmsset_default.sh

Job submission

  1. To submit a grid job, you should log in one of UI and set grid environment(done automatically in lcg003).
  2. Then you get a certificate with voms-proxy-init --voms cms.
  3. After successfully getting proxy certificate, you can use crab commands to do the submission

PhEDEx Data Transferring

Job Monitoring

Please feel free to give some comments.

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Topic revision: r3 - 2009-08-12 - ZhangXiaomei
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