Title:
DATA RECOVERY METHOD, SYSTEM AND STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2021/219122
Kind Code:
A1
Abstract:
Disclosed are a data recovery method, a system and a storage medium, wherein the risk of secondary damage during internal recovery of a storage device is prevented, and the risk of data loss when a block sequence number is lost is prevented by means of combining sequence number information with mapping information. The method comprises: when a storage device fails, a host device acquiring mapping information and sequence number information of the storage device, wherein the mapping information is used for representing a mapping relationship between a physical address of the storage device and a logic address of the storage device, and the sequence number information is used for representing an order relationship of data in the storage device; the host device constructing a mapping table of the storage device according to the mapping information and the sequence number information; and the host device reading the data in the storage device according to the mapping table.
Inventors:
CHEN YOUYUAN (CN)
Application Number:
PCT/CN2021/091349
Publication Date:
November 04, 2021
Filing Date:
April 30, 2021
Export Citation:
Assignee:
JIANGSU XINSHENG INTELLIGENT TECH CO LTD (CN)
International Classes:
G06F11/14
Foreign References:
| CN111581022A | 2020-08-25 | |||
| TW201717020A | 2017-05-16 | |||
| CN109582599A | 2019-04-05 | |||
| CN104461391A | 2015-03-25 | |||
| CN102866956A | 2013-01-09 | |||
| CN109408417A | 2019-03-01 | |||
| CN108170614A | 2018-06-15 | |||
| US8819367B1 | 2014-08-26 |
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW (CN)
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