Title:
DATA RECOVERY METHOD AND APPARATUS, AND SOLID STATE DRIVE
Document Type and Number:
WIPO Patent Application WO/2021/253983
Kind Code:
A1
Abstract:
The embodiments of the present application relate to the field of application of solid state drives. Disclosed are a data recovery method and apparatus, and a solid state drive. The method comprises: after a solid state drive is abnormal, copying memory data of a first memory space to a solid region of a second memory space, and then writing address information of the solid region into a third memory space; after a controller is reset for the first time, recovering the memory data of the first memory space according to the address information of the solid region; brushing the data of the second memory space into a flash memory space according to the recovered memory data from the first memory space; and after the controller is reset a second time, performing data recovery on the solid state drive according to the memory data of the flash memory space. By means of writing data of a first memory space into a solid region, recovering the data of the first memory space according to address information of the solid region and then writing same into a flash memory space, and finally recovering the data from the flash memory space, the present application can improve the speed of data recovery from a solid state drive.
Inventors:
CHENG BO (CN)
LIU SHAOQUAN (CN)
HAN BIN (CN)
YANG YAFEI (CN)
LIU SHAOQUAN (CN)
HAN BIN (CN)
YANG YAFEI (CN)
Application Number:
PCT/CN2021/089374
Publication Date:
December 23, 2021
Filing Date:
April 23, 2021
Export Citation:
Assignee:
SHENZHEN DAPU MICROELECTRONICS CO LTD (CN)
International Classes:
G06F3/06
Foreign References:
| CN111752487A | 2020-10-09 | |||
| CN103377152A | 2013-10-30 | |||
| CN104077197A | 2014-10-01 | |||
| CN111198655A | 2020-05-26 | |||
| US20160283336A1 | 2016-09-29 | |||
| CN103744795A | 2014-04-23 | |||
| US10019362B1 | 2018-07-10 |
Attorney, Agent or Firm:
LIUJIA CHINA IP LAW OFFICE (CN)
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