Add components

Sergei Tikhomirov, Daria Barysheva

In ADCM a component means a part of a service that should be deployed on one or several cluster hosts.

IMPORTANT

Initially, there are no components on any of cluster hosts. You should map components to hosts manually.

The steps for adding components to hosts are listed below:

Select a cluster on the Clusters page. To do this, click a cluster name in the Name column.

Select a cluster
Open the Mapping tab on the cluster page.

Switch to mapping service components
In the window that opens, map components to hosts. To assign hosts for each component, click Add hosts and select hosts in the pop-up window.

Select hosts for a component

Mandatory components

Each service can have mandatory and optional components. Mandatory components are highlighted in red. The ADCM UI also displays how many mandatory components should be installed.

Mandatory components

CAUTION
Without assigning a necessary number of hosts to mandatory components, the component mapping cannot be saved.

For safety reasons it’s recommended to distribute the services among several hosts to ensure fault tolerance, but it is acceptable to configure everything to just one host.
After component distribution is completed, click Save.

Save mapping of components
To open an alternative mapping view (by hosts), select the Hosts view tab.

View mapping by hosts

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