CMS User Help#

Login#

  • For access into the Tier-2 facility to develop code, compile and run short test jobs:#

    ssh login.hep.wisc.edu
    
  • For obtaining grid credential, which are needed for write access to our storage cluster, OSG, etc., follow the usual procedures for installation of your certificate and do voms-proxy-init (which is also available in your path on login)#

CMS software access#

  • scram available on login
  • scram list

Data access#

  • Currently you can use the DAS page to find the data available at Wisconsin.
  • You can also search the /hdfs/store directory tree
  • The data you generate can be stored in the storage cluster if you have grid credentials.#

    • Currently in: /hdfs/store/user/
    • There is some data for testing in: /hdfs/store/user/dasu
  • For more information on accessing files in Wisconsin Tier-2 storage cluster, see the FAQ.#

Batch farm access using Condor#

  • You can use Condor directly if you know how, however, we have some simple scripts for CMS usage
  • To generate your own data use the script farmoutRandomSeedJobs script which takes as an argument a .cfg file with small mods – farmoutRandomSeedJobs –help for more details.
  • To analyze data use the script farmoutAnalysisJobs script: farmoutAnalysisJobs –help for more details#

  • For more information on using the Wisconsin Tier-2 HTCondor, see the FAQ.#