Suggested NAS Resources

General user guide:

https://www.nas.nasa.gov/hecc/support/kb/new-user-orientation-161/

Logging into NAS

https://www.nas.nasa.gov/hecc/support/kb/logging-in-91/

It is highly recommended you go through each step under the page above.

Shell configuration

Users are recommended to configure their shell start up files as below.

Recommended .bashrc for NAS

umask 0022
ulimit -s unlimited

# Run things in this if-block only if we're in an interactive shell
if [[ $- == *i* ]]
then

   # Only put module use or other module commands here

   module use -a /nobackup/gmao_SIteam/modulefiles
   module load GEOSenv

   # Add any other things you want with interactive shells here

fi

Recommended .tcshrc for NAS

umask 0022
limit stacksize unlimited

# Run things in this if-block only if we are in an interactive shell
if ($?prompt) then

   # Only put module use or other module commands here

   module use -a /nobackup/gmao_SIteam/modulefiles
   module load GEOSenv

   # Add any other things you want with interactive shells here

endif

File Systems & Software

https://www.nas.nasa.gov/hecc/support/kb/filesystems-software-99/

The quota for the home directory at NAS is usually quite small. Indeed, it may not even hold a build of GEOSgcm. So, we recommend building doing most work in nobackup or other project directories. This page details how to see your current quota

https://www.nas.nasa.gov/hecc/support/kb/quota-policy-on-disk-space-and-files_156.html

Customizing Your Unix Environment

https://www.nas.nasa.gov/hecc/support/kb/customizing-your-unix-environment_258.html

Running jobs

https://www.nas.nasa.gov/hecc/support/kb/running-jobs-with-pbs-121/

Archiving data

https://www.nas.nasa.gov/hecc/support/kb/backing-up-data-in-the-lou-mass-storage-system-136/

Transferring Data → shift

The recommended tool for transferring data at NAS is shift:

https://www.nas.nasa.gov/hecc/support/kb/using-shift-for-local-and-remote-transfers-(recommended)-162/

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Contacts

For more information, you can contact either the NAS Support at support_AT_nas.nasa.gov or the SI Team at siteam_AT_gmao.gsfc.nasa.gov