FIELD: information technology.
SUBSTANCE: flash memory based systems are used for storage of streaming HD video data. Flash memory devices are physically accessed in a page oriented mode. Input data are written in a multiplexed fashion into a matrix of multiple flash devices. List processing is performed and defect pages of flash blocks of single flash devices are addressed within the matrix architecture. When writing in a sequential manner, the data content for the current flash device page of all flash devices of the matrix is copied to a corresponding storage area in an additional memory buffer. After the current series of pages has been written without error into the flash devices, the corresponding storage area in an additional memory buffer is enabled for overwriting with following page data. In case an error occurred in the current page in one or more flash devices, the content of these current pages is kept in the additional memory buffer.
EFFECT: providing adaptation of writing modes depending on detected writing defects.
14 cl, 7 dwg
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Authors
Dates
2011-04-27—Published
2006-12-04—Filed