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KB30147 - How to migrate an SBR replica server to new hardware

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Last Modified Date11/8/2018 11:57 PM
Synopsis
This articles provides the steps to migrate an SBR replica server to new hardware.
Problem or Goal
Cause
Solution

Follow the steps below to migrate an SBR replica to new hardware.


Prepare the Primary server for migration:

  1. Open the Primary SBR server and in the left-hand pane, go to the replication section. Then press refresh several times to ensure that the Primary and Replica servers are listed as "up-to-date".
  2. Double-click the replica server that you wish to modify, and clear the “Enabled” checkbox.  Press OK, and then delete the Replica from the Replication tab within SBR.

Prepare the Replica server for migration:

  1. On the Replica server, stop the Steel-Belted Radius service, browse to the service directory via a Command Line, and issue the following command:
sbrsetuptool –identity SA
  1. Open the sbrsetuptool.log file, and verify that the last line shows that the device has been configured as STANDALONE.
  2. Copy the entire replica’s service directory to a backup location.

Prepare the new machine:

  1. Install the same exact version of SBR to the new server as the replica is running.
  2. Complete the installation and allow the service to start.
  3. Connect to the new server's SBR Administrator console to ensure that everything started properly.
  4. Once the new server has been verified as functional, stop the SBR service.
  5. Rename the service directory to service.old.

Copy your data to the new machine:

  1. Locate the backed up Radius directory that was created in step 3 in the section Prepare the Replica server for migration.
  2. Copy the Radius directory from the original replica server into the Steel-Belted Radius directory of the new hardware.
  3. Ensure that the paths to the SBR process are correct ( i.e. c:\Program files\Juniper Networks\Steel-Belted Radius\service).

Promote the new machine to Replica:

  1. Open a command line and browse to the SBR service directory.
  2. Configure replication using the following command:
sbrsetuptool –identity REPLICA –primary <name of primary> <primary IP Address> <secret>
  1. Press enter and then open the sbrsetuptool.log.
  2. Verify that the last entry states that this node is a replica server.
  3. Start the service.

Final Configuration of the Primary SBR Server:

  1. On the Primary server, press the refresh button a few times, and then go back to the Replication section.
  2. Both the primary server as well as the new "Replica" server should be displayed there.
  3. Double-click the Replica entry and check the box for "Enabled".
  4. Verify that the correct IP Address is listed for the Replica server.  Make changes as necessary and then press the OK button.
  5. Click the "Publish" button.
  6. The operation is complete when both entries display a status of Up to Date. 
Related Links
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Created ByData Deployment

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