Title:
DATA RECOVERY METHOD, APPARATUS AND DEVICE, AND READABLE STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2024/098696
Kind Code:
A1
Abstract:
The present application discloses a data recovery method, apparatus and device, and a readable storage medium. The method comprises: backing up data of a master node in a secondary node of a multi-control node so as to use data in the secondary node as mirror image data; monitoring whether the number of faulty disks of a RAID array in the master node exceeds a fault tolerance of the RAID array; if the number of faulty disks of the RAID array exceeds the fault tolerance of the RAID array, sending information of lost data in the faulty disks to the secondary node, and the secondary node acquiring, from the mirror image data, data corresponding to the information and sending the data; receiving the data corresponding to the information, and writing the data corresponding to the information into corresponding partitions of hot spares corresponding to the faulty disks; and replacing the corresponding faulty disk with the hot spares so as to reconstruct the RAID array with normal disks. Mirror image data is added to a secondary node, and the mirror image data in the secondary node is used for data recovery after the number of faulty discs exceeds a fault tolerance, thereby improving the data reliability of a storage system.
Inventors:
LI FEILONG (CN)
XU YONGLIANG (CN)
SUN MINGGANG (CN)
XU YONGLIANG (CN)
SUN MINGGANG (CN)
Application Number:
PCT/CN2023/093083
Publication Date:
May 16, 2024
Filing Date:
May 09, 2023
Export Citation:
Assignee:
SUZHOU METABRAIN INTELLIGENT TECH CO LTD (CN)
International Classes:
G06F11/14
Foreign References:
| CN115454727A | 2022-12-09 | |||
| CN114281591A | 2022-04-05 | |||
| CN104317678A | 2015-01-28 | |||
| US20190171509A1 | 2019-06-06 |
Attorney, Agent or Firm:
BEIJING RUN ZEHENG INTELLECTUAL PROPERTY LAW FIRM (CN)
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