Virtual storage systems and virtual storage system operational methods
Patent 6857057 Issued on February 15, 2005. Estimated Expiration Date: 
October 3, 2022. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
October 3, 2022. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesMemory systems with data storage redundancy management Patent #: 5392244 InventorsAssigneeApplicationNo. 10264661 filed on 10/03/2002US Classes:711/203, Virtual addressing711/6, Virtual machine memory addressing711/162, Backup711/206Translation tables (e.g., segment and page table or map)ExaminersPrimary: Padmanabhan, ManoAssistant: Inoa, Midys International ClassesG06F012/00G06F012/08 AbstractVirtual storage systems and virtual storage system operational methods are described. According to one aspect, a virtual storage system includes a virtual storage space including a plurality of virtual storage locations, a physical storage space including a plurality of physical storage locations configured to store data, a memory configured to store a plurality of activated pointers which associate a plurality of virtual storage locations with a plurality of the physical storage locations, and a controller configured to deactivate at least some of the activated pointers including extracting the deactivated pointers from the memory, to access a request pertaining to selected data associated with at least one of the deactivated pointers, to activate the deactivated pointers including providing the deactivated pointers in the memory providing reactivated pointers, and to modify at least one of the reactivated pointers responsive to the request.Other References
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