ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,229,577, issued on Feb. 18, was assigned to INTERNATIONAL BUSINESS MACHINES Corp. (Armonk, N.Y.).
"Virtual machine file management using file-level snapshots" was invented by Da Long Wang (Hangzhou, China), Qin Yue Chen (Shanghai), Xue Lian Feng (Ningbo, China), Yang Liang (Beijing), Yang Yang Feng (Ningbo, China) and Bin Xiong (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "VM file management includes detecting a user request to access to a virtual machine (VM) and searching a pre-defined list to determine whether the user requesting access is identified on the list. If so, a file-level snapshot is generated prior to enabling modification of a ...