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Ceph Cookbook - Second Edition by Karan Singh, Michael Hackett, Vikhyat Umrao

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The VSM controller

VSM is a web-based application that is typically hosted on a controller machine, which is referred to as a VSM controller node. You can use a dedicated physical or virtual server that can act as a VSM controller node. The VSM controller software is the core component of VSM that connects to the Ceph cluster through VSM agents. The VSM controller gathers all the data coming from VSM agents and monitors the Ceph cluster. For operations such as cluster creation, pool creation, and so on, the VSM controller sends instructions to VSM agents to perform the required operation. As shown in the following diagram, Ceph administrators/operators connect to the VSM controller node via HTTPs or APIs, and they can use VSM software. The ...

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