Splitting up a grid into simpler, smaller, elements makes the whole process of building a grid much easier. Grids are not mystic, they just require careful planning and a degree of flexibility in their operation and structure to allow work to be split up and divided among the different components in the grid. In this fourth part of a series on building a grid with Perl, I look at the issues of submitting information into a resource grid and how this is stored and prepared for distribution to a specific storage node.Read the full Tutorial.