A PV snapshot distributed database cluster recovery method

A recovery method and distributed technology, applied in the field of Kubernetes-based containers, can solve problems such as time-consuming, labor-intensive, error-prone, and inability to automatically switch cluster nodes, so as to ensure availability, reduce manual intervention, and improve failure recovery capabilities.

Active Publication Date: 2018-12-07
上海浪潮云计算服务有限公司
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Problems solved by technology

However, when the distributed database cluster fails and the cluster nodes cannot automatically switch to provide external services, or data is lost, a lot of manual work is required to restore the cluster, which is time-consuming, labor-intensive, and error-prone

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  • A PV snapshot distributed database cluster recovery method

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[0032] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be described in detail below in conjunction with the embodiments. It should be noted that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0033] The PV snapshot distributed database cluster recovery method adopts automated process deployment in the Kubernetes environment, including two parts: cluster node information filtering and cluster creation; when the distributed database cluster fails or data loss occurs during container scheduling, Automatically start non-cluster nodes, filter and remove cluster node host information in snapshot recovery data, retain node data information, and quickly create distributed database clusters.

[0034] The PV snapshot distributed database cluster recovery method includes the following steps:

[0035] ...

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Abstract

The invention particularly relates to a PV snapshot distributed database cluster recovery method. The PV snapshot distributed database cluster recovery method includes: adopting automatic process deployment under the environment of Kubernets, including two parts of cluster node information filtering and cluster creation; when the distributed database cluster in container scheduling fails or data loss occurs, automatically starting the non-cluster nodes, filtering the host information of cluster nodes to remove the snapshot recovery data, keeping the data information of nodes, and quickly creating the distributed database cluster. The PV snapshot distributed database cluster recovery method does not rely on the cluster specific node information, automates the operation, reduces manual intervention, can quickly restore the backed-up snapshot data to the newly created normal cluster, improves the failure recovery ability of the distributed cluster, and guarantees the availability of the cluster.

Description

technical field [0001] The invention relates to the technical field of containers based on Kubernetes, in particular to a method for recovering PV snapshot distributed database clusters. Background technique [0002] At present, distributed clusters are mostly deployed in physical machines and virtual machine environments. The same service modules are deployed on different server nodes, and unified scheduling is performed through distributed scheduling software to provide external services and access. Distributed database clusters can provide users with high-concurrency and high-availability database access capabilities through features such as multi-node and automatic switching. However, when the distributed database cluster fails and the cluster nodes cannot automatically switch to provide external services, or data is lost, a lot of manual work is required to restore the cluster, which is time-consuming, labor-intensive, and error-prone. With the development of technolog...

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Application Information

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IPC IPC(8): G06F17/30G06F11/14
CPCG06F11/1438G06F11/1446
Inventor 厉颖赵山
Owner 上海浪潮云计算服务有限公司
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