Implementing enhanced fragmented stream handling in a shingled disk drive

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8654472
APP PUB NO 20130135767A1
SERIAL NO

13306260

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Abstract

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A method and a storage system are provided for implementing fragmented stream handling for persistent media including shingled disk drives (SDDs). A plurality of Exception Regions for recording stream commands is defined for disk regions. One state is maintained in each of the Exception Regions including a free Exception Region, an active Exception Region, a recovery Exception Region and a used Exception Region. TRIM commands are issued by a host to the drive to indicate deleted content.

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Patent Owner(s)

  • HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V.;WESTERN DIGITAL TECHNOLOGIES, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Coker, Jonathan Darrel Rochester, US 44 683
Hall, David Robison Rochester, US 43 520

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