Storage system for holding a remaining available lifetime of a logical storage region

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7925830
APP PUB NO 20080172528A1
SERIAL NO

12076141

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A disk array includes a drive management unit, which is a program for identifying kinds of disk devices and managing different disk devices separately, and a drive management table for storing information to be utilized by the drive management unit. The disk array further includes a program for managing accumulated time of disk devices. The program includes a drive lifetime setting portion for setting lifetimes of drives, a drive start/stop portion for intentionally starting/stopping ATA disk devices, and an operation time measurement portion for measuring accumulated operation time. Since it is necessary to be conscious of difference in reliability and performance among disk devices when forming a RAID, a drive kind notification unit, which is a program for notifying of the kind of a disk device when forming the RAID, is provided.

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Patent Owner(s)

Patent OwnerAddress
HITACHI LTDTOKYO JAPAN TOKYO METROPOLIS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mannen, Akihiro Yokohama, JP 24 230
Matsunami, Naoto Hayama, JP 158 4664
Yagisawa, Ikuya Tokyo, JP 93 1847
Yamamoto, Masayuki Sagamihara, JP 380 5148

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