Invention Grant
US08239644B2 Control device of a storage system comprising storage devices of a plurality of types
有权
包括多种类型的存储装置的存储系统的控制装置
- Patent Title: Control device of a storage system comprising storage devices of a plurality of types
- Patent Title (中): 包括多种类型的存储装置的存储系统的控制装置
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Application No.: US13239940Application Date: 2011-09-22
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Publication No.: US08239644B2Publication Date: 2012-08-07
- Inventor: Masayasu Asano , Masayuki Yamamoto , Yuichi Taguchi , Kenichi Kihara
- Applicant: Masayasu Asano , Masayuki Yamamoto , Yuichi Taguchi , Kenichi Kihara
- Applicant Address: JP Tokyo
- Assignee: Hitachi, Ltd.
- Current Assignee: Hitachi, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Antonelli, Terry, Stout & Kraus, LLP.
- Priority: JP2006-183710 20060703
- Main IPC: G06F13/00
- IPC: G06F13/00 ; G06F13/28 ; G06F12/16
Abstract:
A control device of a storage system that includes a plurality of storage devices including a first type of storage device, including: a memory which stores an archive deadline of archive target data which are a target of archiving by the storage system and a warranty deadline which is a quality warranty deadline of parity groups configured by two or more of the first type of storage devices; a controller which stores the archive target data in the parity groups configured by two or more of the first type of storage device, and wherein the parity group storing the archive target data is a parity group whose warranty deadline is near the archive deadline of the archive target data, among a plurality of the parity groups.
Public/Granted literature
- US20120011308A1 CONTROL DEVICE OF A STORAGE SYSTEM COMPRISING STORAGE DEVICES OF A PLURALITY OF TYPES Public/Granted day:2012-01-12
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