Title:
DATA STORAGE DEVICE AND STORED DATA MIGRATION METHOD
Document Type and Number:
WIPO Patent Application WO/2022/062015
Kind Code:
A1
Abstract:
Disclosed in the present application are a data storage device and a stored data migration method. The data storage device comprises a volatile memory module and a shingled magnetic recording disk module located below the volatile memory module, wherein the shingled magnetic recording disk module comprises multiple layers of storage areas, each storage area consists of a plurality of basic storage units, the storage space of the storage area on the next layer is N times that of the storage area on the adjacent upper layer, and the size of each storage area is dynamically adjusted according to the total capacity of the shingled magnetic recording disk to automatically adapt to an optimal read and write state. The stored data migration method provided by the present application first analyzes and stores data, and re-migrates the frequently accessed hot data according to preset conditions to a place where the data can be found more easily, increasing search speed, improving the storage stability and reliability of data to a great extent, and also increasing the speed of adding, deleting, checking and modifying.
Inventors:
WANG YI (CN)
YANG HAO (CN)
CHEN JIAXIAN (CN)
LIAO HAO (CN)
ZHOU CHI (CN)
MAO RUI (CN)
YANG HAO (CN)
CHEN JIAXIAN (CN)
LIAO HAO (CN)
ZHOU CHI (CN)
MAO RUI (CN)
Application Number:
PCT/CN2020/123033
Publication Date:
March 31, 2022
Filing Date:
October 23, 2020
Export Citation:
Assignee:
UNIV SHENZHEN (CN)
International Classes:
G06F3/06
Foreign References:
| CN111651127A | 2020-09-11 | |||
| CN101635162A | 2010-01-27 | |||
| CN106293506A | 2017-01-04 | |||
| US20160148636A1 | 2016-05-26 |
Attorney, Agent or Firm:
SUNSHINE INTELLECTUAL PROPERTY INTERNATIONAL CO., LTD. (CN)
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