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Red X on a server in the Double-Take® Management Console regardless of an active connection. Connections still listed in the target tab after being disconnected

Red X on a server in the Double-Take® Management Console regardless of an active connection. Connections still listed in the target tab after being disconnected

Postby Ernie » Mon Mar 26, 2012 3:18 pm

Details
After disconnecting a connection, the connection may still be listed on the 'target' tab of the target server. The connection will listed with a 'Target Data State' of 'Mirror Required' and the actual source server will be listed with a Red X in the server list of the Management Console.

Affected Versions:

    • Double-Take 5.x
Diagnosis
The Management Console displays a Red X on the server icon regardless of whether or not there is an active connection. In fact, most of the time if there are active connections, they will be listed with a green check mark. If there is a red X on the connection itself, this usually indicates a different issue.

It seems that when a connection is disconnected incorrectly by deleting the connect.sts file on the source, it leaves the connection listed on the target, and when the Double-Take service sees this connection, the target will tell the source to resume the connection. Since the source does not have the connection listed, the red X is displayed indicating an issue.

Workaround
Follow the procedure below to work around this issue.

    • Log onto the target.
    • Stop the target Double-Take service.
    • Open the registry on the target (regedit).
    • Drill down to the Double-Take connection list:
      ♦ HKEY_LOCAL_MACHINE\SOFTWARE\NSI Software\Double-Take\CurrentVersion\Connections
    • Locate the key listed with the IP address and connection ID of the non existent connection.
      ♦ Example:
        ◊ 10.11.20.20:1100-2
        ◊ Source IP address : Double-Take Port - Connection ID
    • Delete the key.
    • Exit the registry.
    • Browse to the Double-Take installation directory and delete the 'PersistenceInfo.db' file.
    • Start the Double-Take service.
Ernie
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