ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,493,567, issued on Dec. 9, was assigned to Hitachi Ltd. (Tokyo).
"Storage apparatus and control method for storage apparatus" was invented by Norio Chujo (Tokyo) and Masanori Takada (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A storage apparatus includes a first controller having a first memory, a second controller having a second memory, and a memory module having a third memory. The first memory stores drive control information including a correspondence between a logical address and a physical address, first cache data in a data input-output (I/O) process, and first cache control information including a correspondence between a logical addre...