1. A method for performing data management operations in a computer network, the method comprising: monitoring operations associated with a source computing device, the operations operative to write data to a source storage device; copying the data to a destination storage device based at least in part on the operations, the data comprising at least one first stub file, said copying to the destination storage device comprising processing at least one log file having a plurality of log entries indicative of the operations to replay the operations on the destination storage device; with one or more computer processors, scanning the data of the destination storage device to identify a common data object repeated between multiple portions of the data on the destination storage device; creating a copy of the common data object on a secondary storage device; determining a last access time of each of the multiple data portions of the destination storage device having the common data object; for each of the multiple data portions having a last access time at or before the time of the creation of the copy of the common data object, replacing the common data object of the particular data portion with a second stub file, wherein the second stub file comprises a tag value not possessed by, and used to distinguish the second stub file from, any of the at least one first stub file, and wherein the second stub file comprises information indicative of a location of the copy of the common data object on the secondary storage device; and wherein the second stub file is used to recall the copy of the common data object from the secondary storage device during a restore operation.