STORAGE SYSTEM AND STORAGE CONTROL METHOD
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United States of America Patent
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Issued Date -
May 30, 2024
app pub date -
Mar 10, 2023
filing date -
Nov 28, 2022
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Abstract
A storage system includes one or more storage nodes each having a non-volatile storage device, a storage controller, and a volatile memory, in which the storage device includes a plurality of base image storage areas including at least a first base image storage area and a second base image storage area as areas for storing entire predetermined information stored in the memory as a base image, and the storage controller starts processing to store a next base image in the second base image storage area when the base image storage with respect to the first base image storage area is complete, and reads out the storage-completed base image and restores the image to the memory in a case where the predetermined information is lost from the memory.
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