To configure an external BYOS media server with NetBackup Flex Scale 3.0

1. Deploy mapping BYO on the external media server.

   • Enter the NetBackup Flex Scale primary server details..

   • Enter the token that you get from the primary server.

2. Go to Host Properties > Primary Server > Servers > Additional server tab. Add an entry for the external media server on the primary server.
3. Go to Host Properties > Media Server > Servers -> Additional server tab. Add an entry for the external media server (all media cluster nodes).
4. Go to Host Properties > Clients > Servers > Additional server tab. Add an entry for the external media server on the client server.
5. Run the following command:

   NBEMMCMD, Version: 10.0 
   Command completed successfully.

   where ems_fqdn is the external media server FQDN and is the primary server FQDN.

6. Restart the EMS server services.
7. Add the DNSMASQ entry on the EMS server. If the EMS server is Linux, you have to add the server's IP and FQDN entry as the nameserver. If the EMS server is a Windows server, give the preferred DNS as DNSMASQ server's IP. This entry is required if you want the EMS to get connected to the secondary site primary server after disaster recovery.
8. Perform a robot inventory. Go to Configure Storage devices and confirm that the external media server is detected.

   To perform a robot inventory, refer to the Veritas NetBackup™ Administrator's Guide, Volume I.