The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 13, 2019
Filed:
Nov. 30, 2016
Huawei Technologies Co., Ltd., Shenzhen, CN;
Wei Yu, Beijing, CN;
Huijun Liu, Xi'an, CN;
Huawei Technologies Co., Ltd., Shenzhen, CN;
Abstract
The present disclosure provides a data management method for a database cluster including a first dual port SSD, a second dual port SSD, a first node, a second node, and a third node, where the first dual port SSD is connected to the first node and the second node, and the second dual port SSD is connected to the second node and the third node; and the first node writes a transaction log to the first dual port SSD, when the first node crashes, the second node acquires the transaction log from the first dual port SSD, and operates, according to the transaction log, data that is stored in the first node, so that, the second node or the third node can use a dual port SSD to read log information of the crashed node, and replace the first node to provide a service externally.