Patent ID: 8245101
Filing Date: 2012-08-14
Classification: G06F,G11C

Abstract:
1. A method of managing data in a storage device which includes a controller and a flash memory module made up of a plurality of flash memory devices, the method comprising, when the storage device is operatively coupled to a host: performing a first read which includes reading first data and first error correction code (ECC) information, wherein the plurality of flash memory devices are organized in groups each group of which including a plurality of areas, the first read being performed from a first area of a first group of flash memory devices, the first data being associated with a request from an initiator in the host, the initiator having an identifier associated therewith which is one of a plurality of identifiers stored in the storage device; generating second ECC information relating to the first data; and as a result of establishing that the first and second ECC information do not match, performing a first ECC correction operation on the first data and determining whether the first ECC correction was successful resulting in corrected first data and a value specifying the number of corrected errors, such that: