ALEXANDRIA, Va., June 19 -- United States Patent no. 12,333,175, issued on June 17, was assigned to VMware LLC (Palo Alto, Calif.).
"Hypervisor-assisted migration or cloning of eager-zeroed virtual disks" was invented by Kashish Bhatia (Bangalore, India), Zubraj Singha (Guwahati, India) and Goresh Vitthalrao Musalay (Bangalore, India).
According to the abstract* released by the U.S. Patent & Trademark Office: "A data structure tracks the usage of an eager-zeroed virtual disk on a per block basis and this data structure is referenced during migration or cloning of the eager-zeroed virtual disk so that copying of the zero blocks can be avoided. A method of migrating or cloning the eager-zeroed virtual disk stored in a first storage device c...