Invention Grant
- Patent Title: Storage apparatus
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Application No.: US16327307Application Date: 2017-04-03
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Publication No.: US10908988B2Publication Date: 2021-02-02
- Inventor: Mitsuo Date , Hideyuki Koseki , Akifumi Suzuki , Masahiro Tsuruya
- Applicant: Hitachi, Ltd.
- Applicant Address: JP Tokyo
- Assignee: Hitachi, Ltd.
- Current Assignee: Hitachi, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Procopio, Cory, Hargreaves & Savitch LLP
- International Application: PCT/JP2017/013888 WO 20170403
- International Announcement: WO2018/185800 WO 20181011
- Main IPC: G06F11/00
- IPC: G06F11/00 ; G06F11/10 ; G06F3/06

Abstract:
A storage apparatus includes: a controller; and a plurality of storage drives, wherein the controller issues a read command for specifying a value associated with an error correction mode to a first storage drive of the plurality of storage drives, the first storage drive selects the error correction mode associated with the value specified by the read command from a plurality of error correction modes, the plurality of error correction modes include a first error correction mode and a second error correction mode with a higher correcting capability and a longer maximum delay time than those of the first error correction mode, and the first storage drive executes a read of data from a storage medium in the selected error correction mode.
Public/Granted literature
- US20190213078A1 STORAGE APPARATUS Public/Granted day:2019-07-11
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