1. A method of generating a graphical portion of a graphical user interface (GUI), the graphical portion concerning aspects of a storage domain, the method comprising: illustrating a tree hierarchy; including, on the tree hierarchy, a node at a first level corresponding to a set of at least two file systems that are members of the storage domain; and including, on the tree hierarchy, nodes at a second level reporting to the first-level node, each second-level node corresponding to a member of the set of files systems to which the first node corresponds.