A method, system and apparatus for allowing a mirroring map to be used
with more than one piece of data are provided. First, a mirroring map is
created and given a name. Then, the name of the mirroring map and the
mirroring map itself are stored into the computer system. When a piece of
data is to be stored in accordance with the mirroring map any time
thereafter, the name of the mirroring map is used to associate the
mirroring map with the piece of data.