wiki:Doc/ComputingCenters/IDRIS

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Working at IDRIS


1. IDRIS presentation

See: http://www.idris.fr/eng

2. IDRIS's machines and file systems

No image "IDRIS.jpg" attached to DocBenvAidris

3. How to install your environment at IDRIS

It is important to take the time to install a comfortable and efficient environment.

  • We recommend to follow the example of the rpsl035 login's environment which is in bash. Don't use the default .bash_profile but use instead the ~rpsl035/.bash_login file. Copy this file to your home and remove the default .bash_profile.
    ryyy999@ada: rm $HOME/.bash_profile
    ryyy999@ada: cp ~rpsl035/.bash_login $HOME/.
    
  • These file include /smphome/rech/psl/rpsl035/.atlas_env_ada_intel_2013_0_bash which include
    • The path of the compiling tools fcm and the rebuild tool used to reconstruct files from a parallel model:
      export PATH=/smphome/rech/psl/rpsl035/FCM/bin:$PATH
      
  • The modules giving access to libraries and post processing tools needed on our platform.
    module load netcdf (currently netcdf/seq/4.1.3 in interactive mode) 
    module load ferret/6.85
    module load nco/4.4.6
    module load cdo/1.6.5
    
  • Avoid messages displayed when connecting on Ada and Ergon. Make sure that the command rsh ergon pwd returns a unique line with the HOME on Ada. Make sure the copy of a file using rcp works properly in the two directions. Make sure that the command ssh ergon pwd returns a unique line with the HOME of ERGON on ADA.
    ryyy999@ada: ssh ergon pwd
    /arch/home/rech/yyy/ryyy999
    ryyy999@ada: date > a ; rcp a ergon:
    
  • Transfers Ada/Ergon must be done with mfget/mfput.
  • For dods access, use the command mfdods on Ergon. This creates the link (24h after the first time) visible here: http://dods.idris.fr and soon (October 2015) here : http://prodn.idris.fr/thredds/catalog/ipsl_public/catalog.html
    # Export a file:
    ryyy999@ergon: mfdods mon_fichier -d pub/ryyy999/my_dir
    
    # Once the access activated, you must do the following to destroy a file:
    ryyy999@ada: mfdods -r /u/DODS/pub/ryyy999/my_dir/my_file
    
  • To give access to the WORKDIR of Ada to all (755 or drwxr-xr-x), you must contact the IDRIS' assistance for the level /workgpfs/rech/grp.

4. Accounting

To know the computing time used by your group (updated once a day):

plab999@ada:~> cpt 

5. Things to know about file systems

5.1. WORKDIR

5.2. ERGON

5.3. Quotas

To check the used space and the size of the HOME, WORKDIR and ERGON:

# Quota HOME
ryyy999@ada: quota_u

# Quota WORKDIR
ryyy999@ada: quota_u -w

# Quota ERGON
ryyy999@ergon: quota_u

6. Simulation outputs

Final simulation outputs are stored on Ergon in IGCM_OUT directories. There are also available from Adapp in $ARCHIVE/IGCM_OUT but not directly from Ada.

The IDRIS's dods server is accessible from: http://dods.idris.fr and soon (October 2015) here : http://prodn.idris.fr/thredds/catalog/ipsl_public/catalog.html

7. About Password

At IDRIS, you have a unique password for all computers. Password have to be changed one time per year. The command to change your password is passwd . You receive a mail 2 weeks before password expiration.

8. The IDRIS's machines

  • Ada for computing part
  • Adapp for post-processing part

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