Patent ID: 6922688
Filing Date: 2005-07-26
Classification: G06F,Y10S

Abstract:
1. A method to access an object in a computer system storage, comprising the operations of: receiving a reference to the object; obtaining a referential map based on the reference, the referential map indicating a plurality of logical storage locations, each of the indicated plurality of logical storage locations being associated with at least one portion of the object and being that logical storage location at which the associated at least one portion of the object is stored, the indicated plurality of logical storage locations being all of the logical storage locations that are associated with at least one portion of the object; and obtaining a physical map directly from one of the logical storage locations indicated in the referential map, the physical map being independent of the referential map, the physical map indicating a physical storage location for that at least one portion of the object that is associated with a particular one of the logical storage locations; wherein the referential map does not map to the physical storage location.