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LSI Assigned Patent
By Jean-Jacques Maleval, Thu, September 27th, 2012
Expanded capacity virtual volumes in storage system
The co-inventors are Howard Young, Thousand Oaks, CA, Mukul Kotwani, Woodland Hills, CA, Srinivasa Nagaraja Rao, Oak Park, CA, Kartik D. Agarwal, Newbury Park, CA, and Gordon L. Larimer, Agoura Hills, CA
The abstract of the patent published by the U.S. Patent and Trademark Office states: "Methods and apparatus for expanded capacity virtual volumes in a virtualized storage system. A storage controller of the storage system parses a SCSI command block as it is received to generate a tag value indicating a segment of a virtual volume to which the command block is directed. The tag value is used to select one of a plurality of mapping segment objects stored in a memory of the controller. Each mapping segment objects maps logical block addresses of a corresponding segment of a corresponding virtual volume to physical storage addresses on the physical storage devices that comprise the virtual volume. An I/O processing circuit of the controller then processes the SCSI command block in accordance with the mapping information in the selected mapping segment object. In one exemplary embodiment, each segment of a virtual volume comprises 2TB of storage capacity of the virtual volume."
The patent application was filed on Aug. 11, 2010 (12/854,765).
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COMPLETE STORAGE
START-UP DATABASE
It contains more than 350 current
storage start-ups in the world
(2/3 in USA), with, for each firm:
- Company name,
- Headquarters, web site, CEO
- Year founded,
- Business activity,
- Yearly financial funding
and total received,
- Classification by sector.