US 11,853,599 B2
Memory system and information processing system
Takeshi Nakano, Kawasaki Kanagawa (JP); Akihiko Ishihara, Yokohama Kanagawa (JP); Shingo Tanimoto, Yokohama Kanagawa (JP); Yasuaki Nakazato, Kamakura Kanagawa (JP); Shinji Maeda, Kawasaki Kanagawa (JP); Minoru Uchida, Yokohama Kanagawa (JP); Kenji Sakaue, Yokohama Kanagawa (JP); Koichi Inoue, Yokohama Kanagawa (JP); Yosuke Kino, Yokohama Kanagawa (JP); Takumi Sasaki, Kawasaki Kanagawa (JP); Mikio Takasugi, Kawasaki Kanagawa (JP); Kouji Saitou, Tokyo (JP); Hironori Nagai, Kamakura Kanagawa (JP); Shinya Takeda, Yokohama Kanagawa (JP); Akihito Touhata, Yokohama Kanagawa (JP); Masaru Ogawa, Ebina Kanagawa (JP); and Akira Aoki, Yokosuka Kanagawa (JP)
Assigned to Kioxia Corporation, Tokyo (JP)
Filed by KIOXIA CORPORATION, Tokyo (JP)
Filed on Feb. 25, 2021, as Appl. No. 17/185,104.
Claims priority of application No. 2020-062221 (JP), filed on Mar. 31, 2020; and application No. 2020-173167 (JP), filed on Oct. 14, 2020.
Prior Publication US 2021/0303214 A1, Sep. 30, 2021
Int. Cl. G06F 11/00 (2006.01); G06F 3/06 (2006.01); G06F 11/10 (2006.01)
CPC G06F 3/0659 (2013.01) [G06F 3/0604 (2013.01); G06F 3/0679 (2013.01); G06F 11/1068 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A memory system comprising:
a non-volatile memory; and
a controller that includes a first memory and a second memory, and is configured to control the non-volatile memory and write log data to the first memory, the log data including a history of commands for controlling the memory system, wherein
the controller is further configured to write the log data from the first memory to the second memory and to write the loci data from the second memory to the non-volatile memory in response to an error in the non-volatile memory that occurs when one of the commands is executed.