Install a cluster

Daria Barysheva, Elena Dvoryadkina

Step 1. Run installation

There are two ways to install cluster services:

  1. Whole cluster. In this method all services are installed automatically one by one after applying the Install action to a cluster.

  2. Single services. In this method each service is installed manually after applying one or more actions to it. This way is also suitable for installing new services in the already deployed cluster.

In both cases each service starts automatically after installation.

NOTE
In case of errors, you can find logs on the Jobs page.

Whole cluster

To install all cluster services within a single action, follow the steps:

  1. Apply the Install action to the cluster selected on the Clusters page by clicking the actions default dark actions default light icon in the Actions column.

    Switch to the whole cluster installation
    Switch to the whole cluster installation

  2. Verify the requested action in the opened window.

    Verify the action
    Verify the action

  3. Wait until the job is completed.

Single services

To install one or several cluster services manually, you should add these services to the cluster and then perform the actions described below.

CAUTION
Notice that services are installed one by one. Do not install another service until the installation of the previous one is completed.

  1. Open the Services tab on the cluster page. For each service that should be installed, click the actions default dark actions default light icon in the Actions column and select the Install action.

    Install single services
    Switch to installation of single services

  2. Verify the action in the opened window.

    Verify the action
    Verify the action

  3. Wait until the job is completed. Then check that the service state has changed from created to installed.

  4. Repeat the previous actions for other services that should be installed.

IMPORTANT

When you install services manually, one by one, use the following order:

  1. Zookeeper / Clickhousekeeper

  2. ADQMDB

  3. Chproxy

  4. Monitoring Clients / Monitoring

Step 2. View the results of installation

ADCM starts a single job for installation process, as well as for any other task. You can find out about the status of jobs more specifically on the Jobs page.

The Jobs page
The Jobs page

The successful completion of the service installation is determined by the transition of the job from the running status to the success status on the Jobs page. If the job fails, it switches to the failed status. In this case it is possible to see more detailed information about the errors that occurred by clicking the failed job on the Jobs page.

Switch to a job page
Switch to a job page
Install cluster job page
Install cluster job page

Step 3. Check the cluster state after installation

As a result of successful installation, the cluster and its services change their state according to the following rules:

  • The cluster state, displayed in the State field on the Clusters page, is being changed from created to installed.

    The cluster state after successful installation
    The cluster state after successful installation

  • The state of cluster services, displayed on the Services tab of the cluster page, is being changed from created to installed.

    The state of cluster services after successful installation
    The state of cluster services after successful installation
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