ALEXANDRIA, Va., June 18 -- United States Patent no. 12,326,821, issued on June 10, was assigned to Huawei Technologies Co. Ltd. (Shenzhen, China).

"Data write method, apparatus, and system" was invented by Lei Chen (Beijing) and Keji Huang (Chengdu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "In an active-active system, if write lock permission is granted to a second storage array, a first storage array sends to-be-written data and a lock revocation request together to a lock server; the lock server sends a lock revocation request carrying the to-be-written data to the second storage array; after storing the to-be-written data, the second storage array sends a lock revocation success message to the...