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Nexenta Assigned Patent

Heterogeneous redundant storage array

Nexenta Systems, Inc., Mountain View, CA, has been assigned a patent (8,984,241) developed by Aizman, Alexander, Mountain View, CA, for a “heterogeneous redundant storage array.

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”A method and system is disclosed for providing fault tolerant data storage with built-in backup capabilities, improved I/O performance, and improved utilization of storage devices. A method for writing data includes receiving request to write a logical block of data to a heterogeneous data volume comprising plurality of storage devices, disks, determining number of copies of the logical block to store and associated classes of disks within the data volume to be used with each copy, processing each copy of the logical block in accordance with properties associated with the corresponding classes of disks within the data volume, determining replication schemes used in the data volume and associated with the specified classes of disks, segmenting the logical block into data blocks and generating additional parity blocks in accordance with the replication schemes, selecting data writing mechanisms in accordance with the classes of disks and using those mechanisms to write the data and parity blocks to the data volume.

The patent application was filed on September 2, 2010 (12/875,073).

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