An apparatus, system, and program are disclosed for automatically backing up groups of related data. The apparatus includes a plurality of data cells capable of storing data. The apparatus also includes a grouping module configured to group one or more of the data cells into a related group. A tracking module tracks activity on one or more predetermined data cells in the group. A backup module backs up the data stored in the group of data cells upon the occurrence of a predetermined triggering event identified by the tracking module. The triggering event may include I/O activity to one or more predetermined data cells in the group or it may be a cumulative total of I/O activity to the group as a whole.