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An oracle cluster file system and its method for implementing fence

A cluster file system and host technology, applied in the field of cluster storage or shared resources, can solve problems such as failure to reach, and achieve the effect of increasing robustness, increasing configuration, and increasing redundant network communication

Active Publication Date: 2021-02-05
INSPUR SUZHOU INTELLIGENT TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the ultimate goal of the development of the cluster file system is not to fence when cluster members have problems, but to suspend storage services. Currently, the above situation cannot be achieved
Therefore, we can only optimize the fence problem to achieve as few fences as possible, and still provide a good storage mechanism

Method used

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Embodiment Construction

[0043] In order to make the object, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be further described in detail below in conjunction with specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other arbitrarily.

[0044] The inventors of the present application have found that the sources of fences in the existing Ocfs file system mainly include network disconnection, network instability, and heartbeat disk disconnection. The default code logic is priority when the heartbeat disk is disconnected, that is, the fence operation is performed when the heartbeat disk is disconnected. However, if the current host provides multiple storage pools, it is more intensive to fence the entire host when a single storage pool fails. The granularity is relatively coarse, which affects the service...

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Abstract

The invention discloses an Oracle cluster file system and a method for realizing fence thereof, and relates to the fields of cloud computing and storage. The method for implementing fence in the oracle cluster file system disclosed by the present invention includes: when the oracle cluster file system fails, the oracle cluster file system determines whether to fence the failed host computer according to the configuration of the preset fence mechanism or to keep the operation; wherein, the configuration of the preset fence mechanism includes at least one or more of the following: redundant network configuration, fence priority configuration, heartbeat priority configuration, and weight value configuration of o2cb cluster nodes.

Description

technical field [0001] The invention relates to the field of cloud computing and storage, in particular to cluster storage or shared resources. Background technique [0002] With the rapid development of computer technology and network technology, large-scale clusters are used in actual production environments. Cluster systems have gradually become the focus of the computer industry with their powerful computing capabilities and robust fault-tolerant mechanisms. However, the development of the supporting cluster file system is affected by the joint operation and joint reading and writing of multiple members, and its development is slow. In order to ensure the high availability of the cluster file system, a fence mechanism is introduced in the cluster file system. Through the fence, hosts with problems are isolated to ensure that the hosts with problems cannot perform IO operations on the file system, thereby avoiding data inconsistencies caused by host problems. question. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/24G06F16/11G06F16/182
CPCG06F16/11G06F16/182H04L41/0659H04L41/0823
Inventor 马怀旭
Owner INSPUR SUZHOU INTELLIGENT TECH CO LTD
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