Patent ID: 11874795
Assignee: DELL PRODUCTS L.P.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 14:
15. A non-transitory computer-readable storage medium storing instructions that when executed by a computer cause the computer to perform a method for using a computer system to generate targetless snapshots of a storage object, each targetless snapshot of the storage object being represented by a different one of a plurality of direct index lookup tables, and all of the direct index lookup tables referencing a common set of virtual replication data pointer tables such that multiple ones of the direct index lookup tables reference individual ones of the virtual replication data pointer tables, the method comprising:
representing a current state of the storage obj ect with a first direct index lookup table comprising entries with track references for tracks of the storage object;
representing a first targetless snapshot of the storage object with a second direct index lookup table comprising entries with track references for tracks of the storage object; and
mapping the entries of the first direct index lookup table and the entries of the second direct index lookup table to drives with a virtual replication data pointer table of the common set of virtual replication data pointer tables such that movement of data corresponding to an entry in the first direct index lookup table and an entry in the second direct index lookup table is represented by an update of the virtual replication data pointer table without updating the first direct index lookup table and without updating the second direct index lookup table.