System and method for updating data sectors in a...

Details System and method for updating data sectors in a... System and method for updating data sectors in a...

2005-08-10

2008-10-21

Peikari, B. James (Department: 2189)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C711S203000, C711S209000

Reexamination Certificate

active

07441090

ABSTRACT:
A device is disclosed for storing mapping information for mapping a logical block address identifying a block being accessed by a host to a physical block address, identifying a free area of nonvolatile memory, the block being selectively erasable and having one or more sectors that may be individually moved. The mapping information including a virtual physical block address for identifying an “original” location, within the nonvolatile memory, wherein a block is stored and a moved virtual physical block address for identifying a “moved” location, within the nonvolatile memory, wherein one or more sectors of the stored block are moved. The mapping information further including status information for use of the “original” physical block address and the “moved” physical block address and for providing information regarding “moved” sectors within the block being accessed.

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