**5.1.1.2 RegCM across Garuda and gLite by means of GridWay**

On GARUDA grid infrastructure RegCM can be easily compiled by the user itself connecting to the MPI clusters she plans to use and once the executable is provided on the cluster as local software simulation can be submitted by means of Gridway metascheduler. There was however at the moment still a big concern about data storage and movement because data management tools and services on GARUDA still have to provided. At the moment users can only move simulation data back and forth from the grid resources to the local resources by means of globus-url-copy command, a solution far to be acceptable for large simulations which produce terabyte of data.

For this reason an approach based on netcdf opendap protocols allows us to run easily the model without any concerns about the status the data management.

As said the actual submission will then be done using the Gridway scheduler able to reach all the MPI resources made available on the Garuda GRID. Being now Gridway perfectly able to manage both gLite and globus resources it is clear that RegCM simulations can be easily and transparently submitted on both Indian and European GRID resources. A unique job description file can be used and modifying just the name of the hostname where you want to run.

This working environment is presently made available by MILU, the interoperable user interface and the GRIDWAY package preconfigured as discussed in the above sections.
