1. A method for execution by a slice server, the method comprises: obtaining an information record regarding a virtual dispersed data storage container, wherein a plurality of slice servers stores a plurality of data slices within the virtual dispersed data storage container and wherein a data segment is encoded using an information dispersal algorithm to produce the plurality of data slices; determining whether a list of virtual dispersed data storage containers of the slice server includes the virtual dispersed data storage container; when the list does not include the virtual dispersed data storage container: updating the list to include the virtual dispersed data storage container; and allocating memory in the plurality of slice servers to the virtual dispersed data storage container.