公开(公告)号：US20240256401A1

公开(公告)日：2024-08-01

申请号：US18472085

申请日：2023-09-21

Applicant: Hitachi, Ltd.

Inventor： Kota ISHIBASHI

IPC: G06F11/14

CPC classification number: G06F11/1469 ,  G06F2201/865

Abstract: A storage system is protected from tampering of software executed by the storage system. The storage system includes a first storage controller and a second storage controller. The first storage controller includes a first input and output controller configured to input and output host data, and a first management controller. The second storage controller includes a second input and output controller configured to input and output host data, and a second management controller. The first management controller is configured to store a backup of software of at least one of the second storage controller or the first input and output controller. A copy of tampered software of the at least one is stored. The tampered software of the at least one is recovered by the backup.