SGI Assigned Patent

Silicon Graphics International Corp., Milpitas, CA, has been assigned a patent (8,683,021) developed by Kenneth S. Beck, Morgan Hill, CA, for a computer system “for R/W access to storage devices creates a snapshot of a data volume.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A computer system with read/write access to storage devices creates a snapshot of a data volume at a point in time while continuing to accept access requests to the mirrored data volume by copying before making changes to the base data volume. Multiple snapshots may be made of the same data volume at different points in time. Only data that is not stored in a previous snapshot volume or in the base data volume are stored in the most recent snapshot volume.”

The patent application was filed on Aug. 16, 2011 (13/211,200).