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DNS Cluster

Log in to your whm>> Server Configuration>>DNS Cluster

1) Let’s start setting up a cluster. Scroll down a bit to Cluster/Remote Access.

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2) Click the Configure Cluster link.

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3) First, you must enable the cluster by clicking this radio button.

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4) Then, click Change.

5) Return to the Cluster Status page.

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6) Now, it’s time to add a server to the cluster. Scroll down.

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7) Enter the server’s IP address.

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8) Configure the server with this button.

There isn’t much here to configure. You’ll generally want to leave the login name as root.

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You need the server’s Remote Access Key. You’ll find out more about these in a later series; just know this is what the two servers will use to communicate rather than using their respective root passwords.

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9) Click this link to go directly to the correct page in that server’s WHM.

10) Click here, then press CTRL+A to select the entire access key.

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11) Return to the previous page.

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12) Click here, then press CTRL+V to paste the key.

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13) Click Submit.

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Success! The two servers have had a Trust Relationship established between them. It has also been established in reverse automatically, so we don’t need to go there and repeat the process.

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14) Return to Configure Cluster.

15) Change the DNS Role of the nameserver we just added to Synchronize Changes.

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16) Then, click Save.

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Our main server is now set up to Synchronize all DNS changes to the nameserver. Note that enabling this does not enable the reverse — synchronization from the nameserver to the main server is still off.

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17) Add any remaining servers to the cluster in exactly the same fashion.

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The relationship between the main servers in your cluster should always be set to Standalone, while main servers should should be set to Synchronize Changes to all nameservers.