Netscaler Knowledgebase

Summary

This article describes how to replace a failed node in a High Availability (HA) pair.

Procedure

1. Issue the save config command on the working primary system.

2. Recover any debug information from the defective system.

3. Remove the defective system from the network.

4. Configure the replacement offline and:

         1. Configure the replacement unit as in the initial HA setup.
         2. Add the working primary as a node.
         3. Force the replacement unit to stay secondary by issuing the set ns node <node id> -hastatus staysecondary command.

5. Connect the replacement system and:

         1. Verify secondary status by issuing the show node command.
         2. Populate all environmental files from the primary system.
         3. Verify the configuration synchronization.

6. Release the replacement unit from the forced secondary state by issuing the set ns node <node id> -hastatus enable command.