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changes.mady.by.user Marcus Koehler

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titleTasks - Connect to HPCF
  1. Open the Mobaxterm application.
  2. Login to cluster.act.rdg.ac.uk

  3. On the cluster type the command:  ssh troifsX@ecaccess.ecmwf.int      Note:  Instead of troifsX you should use your own ECMWF training user-ID

  4. You will be prompted for the hostname with a choice between ecgate, cca and ccb.  You should select cca.
  5. When you have completed your work you can disconnect from cca by typing exit at the command prompt.

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titleTasks - Set OpenIFS environment
  1. Connect to cca as above.
  2. Type the command: cd openifs.  cd /perm/ectrain/troifsX/oifs43r3/
  3. Type the command:  source ./oifs.setup

The 'oifs.setup' file sets a number of Unix shell environment variables which define the type of OpenIFS compiled installation and location of files.

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titleTasks - Examine directory layout
  1. Type: cd openifs

  2. Type: ls

    Code Block
    CHANGES  CITE  COPYING  LICENSE  NOTICE  README  READMEs/  
bin/  examples/  fcm/  make/  python/  src/  t21test/


Directories:

  • src - contains all the source code for the model and supporting programs.
  • make - contains the build configuration files for the FCM compile command. Object files and executables will be in this directory organised according to the type of build (OIFS_BUILD environment variable).
  • t21test - self contained T21 model run for verifying the installation is correct.
  • ifsdata - contains additional input files for the model e.g. climatologies. Available as separate tarfiles.

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  • OpenIFS has been precompiled on the virtual machineHPCF.
  • All source code has been removed due to licensing restrictions.
  • OpenIFS builds 'out-of-source'; this means object (.o) files and executables are not mixed with source code.

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