System, method and apparatus for multiple-protocol-accessible OSD storage subsystem
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United States of America Patent
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May 19, 2009
Grant Date -
Aug 28, 2008
app pub date -
Mar 11, 2008
filing date -
Nov 23, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus, system, and method enable access to a storage system by distinguishing SCSI Object-Based Storage Device Commands (OSD) commands from block-based SCSI commands on the same port and storage subsystem. The storage subsystem has the capability of identifying the storage protocol from a corresponding command, and processes the command accordingly for a storage device formatted for use with the respective storage protocol. This way, a storage subsystem can consolidate data from several dedicated command ports to a single physical port, while also enabling a single storage system to store and provide access to data in multiple different storage protocol formats.
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