STORAGE CONTROLLER, STORAGE DEVICE, STORAGE SYSTEM, AND SEMICONDUCTOR STORAGE DEVICE

摘要

Provided is a storage controller that controls a plurality of semiconductor storage devices including one or more first semiconductor storage devices that store valid data and one or more second semiconductor storage devices that do not store valid data. The storage controller is provided with: a table that manages information for identifying a second semiconductor storage device from among the plurality of semiconductor storage devices; and a control unit that accesses a first semiconductor storage device or a second semiconductor storage device on the basis of the operation state of the first semiconductor storage device and the table and dynamically changes the table in accordance with the access.