Zadara Storage Assigned Patent
De-dupe as infrastructure to avoid data movement for snapshot copy-on-writes
By Francis Pelletier | February 17, 2021 at 2:09 pmZadara Storage, Inc., Irvine, CA, has been assigned a patent (10,884,868) developed by Lyakas, Alex, Haifa, Israel, and Kaushik V., Shyam, Bangalore, India, for a “dedupe as an infrastructure to avoid data movement for snapshot copy-on-writes.“
The abstract of the patent published by the U.S. Patent and Trademark Office states: ”A method for a storage system reduces data movement for snapshot copy-on-write operations. The method includes providing a live volume having snapshot chunks. Each snapshot chunk includes a number of deduplication chunks. Each deduplication chunk is mapped to a disk chunk on a disk. The method includes creating a snapshot of the live volume and, for each host write to a snapshot chunk of the live volume that shares a set of disk chunks with a snapshot, performing a snapshot copy-on-write operation by a using a deduplication operation.”
The patent application was filed on October 5, 2017 (15/726,205).
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