Title:
A storage device and a memory device
Document Type and Number:
Japanese Patent JP6228347
Kind Code:
B2
Abstract:
A storage unit includes a plurality of storage devices that form a RAID group, that are coupled to the same bus, and that communicate with each other. Each of the plurality of storage devices includes a device controller and a storage medium. The plurality of storage devices store each of data and parities generated on the basis of the data, the data and the parities being included in RAID stripes. A first device controller of a first storage device included in the RAID group transmits, to the plurality of storage devices included in the RAID group other than the first storage device, an instruction to transfer the data and/or the parities included in the RAID stripes and restores the data or the parity corresponding to the first storage device of the RAID stripes on the basis of the transferred data and the transferred parities.
Inventors:
Mitsuhiro Okada
Suzuki Ashi
Morishita Kenshi
Akira Yamamoto
Suzuki Ashi
Morishita Kenshi
Akira Yamamoto
Application Number:
JP2017501618A
Publication Date:
November 08, 2017
Filing Date:
February 25, 2015
Export Citation:
Assignee:
株式会社日立製作所
International Classes:
G06F3/06
Domestic Patent References:
| JP2010108246A | ||||
| JP2013117922A | ||||
| JP2010224803A |
Foreign References:
| US20100115183 | ||||
| WO2009130848A1 | ||||
| US20090271564 | ||||
| US20130145209 |
Attorney, Agent or Firm:
Wilfort International Patent Office
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