ALEXANDRIA, Va., July 3 -- United States Patent no. 12,346,717, issued on July 1, was assigned to Red Hat Inc. (Raleigh, N.C.).
"Virtual machine storage system for duplication avoidance" was invented by Giuseppe Scrivano (Spezzano della Sila, Italy) and Michael Tsirkin (Yokneam Illit, Israel).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for duplication avoidance are disclosed. In one implementation, a VM can receive a request to perform a file access operation with respect to a file and determine a hash value corresponding to a content of the file. The VM can search the file identified by the hash value in in a host file system. Responsive to failing to find the hash value in the host fi...