Usage of CMS T3

CMS users now can login to the new user interface ( to access the T3 resources and grid resources(including T2_Beijing).


Each IHEP cms member has two $HOME directories, local one and afs one. Since the quota of each user on afs is limited, please change to the local $HOME directory to submit batch jobs if your jobs are big.
  • local: /home/cms/lroos
  • afs: /afs/

Grid jobs

UI( can also do the job submission to grid. You must set grid env before using grid tools
  • setenv
then you get the proxy
  • voms-proxy-init --voms cms
Now you can use crab to do the submission
  • crab -create -submit 1

Batch jobs

To submit batch jobs:
   # ssh
   # cd /home/cms/YOUR_ACCOUNT
   # qsub -q cmsq YOUR_JOB_SCRIPT

To check the status of the jobs you submitted.

   # qstat -u YOUR_ACCOUNT
   # qstat -q cmsq

To retrive job outputs, it's very simple:

   #vi <JOBID>.OU
   #vi <JOBID>.ER
The files with .OU extension are the job outputs and files with .ER are the error logs.


  • 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/

Please feel free to give some comments.

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Topic revision: r2 - 2008-03-26 - ZhangXiaomei
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