Patent ID: 7080225

Claim:
A method of moving a data set, stored on at least one source storage resource, to at least one target storage resource in a computer system, the method comprising acts of: (A) beginning a migration of the data set by transferring a first portion of the data set from the at least one source storage resource to the at least one target storage resource; (B) pausing at least a portion of the migration to stop a transfer of at least a portion of the data set from the at least one source storage resource to the at least one target storage resource at a point in the migration where a second portion of the data set has not yet been transferred from the at least one source storage resource to the at least one target storage resource; (C) resuming the migration by transferring the second portion of the data set from the at least one source storage resource to the at least one target storage resource without re-transferring at least a subset of the first portion of the data set; and (D) after transferring the second portion of the data set from the at least one source storage resource to the at least one target storage resource, retiring the data set on the at least one source storage resource.