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Huawei SAN Storage Host Connectivity Guide for Red Hat

HUAWEI SAN Storage Host Connectivity Guide for Red Hat Servers

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Working Principle

Working Principle

RHCS is a collection of clustering tools. Its major components are as follows:

  • Cluster architecture manager

    This is a basic component of RHCS. This component provides basic clustering functions, including distributed cluster management, membership management, lock management, configuration file management, and fence devices.

  • High availability service manager

    This component provides node service monitoring and failover. It automatically switches services from a faulty node to a normal one.

  • Cluster configuration management tool

    RHCS of the latest version employs Linux Users of Central Illinois (LUCI) to configure and manage clusters. LUCI is a web-based configuration method that can construct a powerful cluster system at ease.

  • LVS

    Linux Virtual Server (LVS) is an open-source load balancing software that evenly distributes client requests to service nodes based on specified load balancing policies and algorithms, achieving dynamic and intelligent load balancing.

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Updated: 2020-01-17

Document ID: EDOC1000150157

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