Title:
STORAGE SYSTEM AND METHOD FOR CONTROLLING STORAGE SYSTEM
Document Type and Number:
Japanese Patent JP2023137307
Kind Code:
A
Abstract:
To continuously use a storage device without blocking the storage device even in the case that the performance of I/O processing of the storage device is deteriorated by the execution of restoration processing due to a fault occurrence of a nonvolatile storage element.SOLUTION: A storage system includes a plurality of storage devices and at least one storage controller, and a storage device has a plurality of nonvolatile storage elements. The storage device receives an I/O command from the storage controller, and transmits a response including delay occurrence potential notification showing that the storage device can continuously be used even though I/O processing has a possibility of delay in the case of detecting a fault of a nonvolatile storage element which provides a storage area of an access destination designated by the I/O command.SELECTED DRAWING: Figure 3
Inventors:
MIYABE TOMOHIRO
HAYANO TOSHIAKI
OGAWA JUNJI
OOTSURU HIROSHI
HAYANO TOSHIAKI
OGAWA JUNJI
OOTSURU HIROSHI
Application Number:
JP2022043449A
Publication Date:
September 29, 2023
Filing Date:
March 18, 2022
Export Citation:
Assignee:
HITACHI INFORMATION & TELECOMMUNICATION ENG LTD
International Classes:
G06F3/06
Attorney, Agent or Firm:
Fujio Patent Attorneys Corporation
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