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1. Select the Server's IP address from the list and click NEXT.
   

2. Add the required Servers to the cluster. To do this, enter the IP address and click LINK.
   

   Note
   title Attention!
   All Cluster Servers must be accessible available to each other. It is necessary to use Servers with the same architecture (x64), OS type and PostgreSQL version.

   
   

   Note
   title Attention!
   The first three Servers added become the master Servers. The operation of the cluster is coordinated by its master Servers, which, in particular, take decisions to migrate nodes from one Server to another. The number of the master Servers in the cluster must be odd, not less than three and not more than five. If only two Servers are added, they can be configured as 1+1—primary —master + backup Server (see 1+1 cluster configuration).

   
   

3. If required, you can add a user with administrator rights (see Set up access to a supervisor). After the cluster is created, only this user will have access to the supervisor. Do the following:

   1. Click the Add button ADD button.Image Removed

   2. Enter access credentials and click the NEXT button.

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4. After you added all Servers, click the INITIALIZE button.

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This will initialize the cluster based on the selected Servers.

To add more other Servers to the cluster, do the following:

1. On the HOSTS tab, click Image Removed Image Added.
2. Enter the IP address of the Server.
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3. If the Server you are adding is master, set the Manager checkbox.

4. Click ADD HOST.
5. Add all required Servers.
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