Title:
ストレージシステム、ストレージ管理装置、ストレージ管理方法、及びプログラム
Document Type and Number:
Japanese Patent JP6919277
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a storage system, a storage management device, a storage management method, and a program which can suppress performance deterioration and cost rise due to a change in a reading frequency.SOLUTION: A storage system 10 includes first storage devices 160, second storage devices 170 having a reading speed slower than in the first storage devices during random reading, and a storage management device 100. The storage management device 100 includes: a request pattern determination part 110 for determining whether a request is sequential reading in the case where data reading is requested; and a data access part 140 for reading requested data from the second storage devices 170 in the case where the request is sequential reading, and reading requested data from the first storage devices in the case where the request is not sequential reading.SELECTED DRAWING: Figure 1
Inventors:
Inakakura Tomohiro
Application Number:
JP2017071102A
Publication Date:
August 18, 2021
Filing Date:
March 31, 2017
Export Citation:
Assignee:
NEC
International Classes:
G06F3/06; G06F3/08; G06F13/10
Domestic Patent References:
| JP2016126656A |
Foreign References:
| US20160077747 | ||||
| WO2015029188A1 |
Attorney, Agent or Firm:
Patents corporation Blitas