Systems and methods for performing hierarchical storage operations on
electronic data in a computer network are provided. In one embodiment,
the present invention may store electronic data from a network device to
a network attached storage (NAS) device pursuant to certain storage
criteria. The data stored on the NAS may be migrated to a secondary
storage and a stub file having a pointer pointing to the secondary
storage may be put at the location the data was previously stored on the
NAS. The stub file may redirect the network device to the secondary
storage if a read request for the data is received from the network
device.