You can configure TAPS on both of them for redundancy. So all the call will be routed to Primary IPCCX server and only if this server is down we route the calls to backup IPCCX server. If you want a single number for users to dial-in to TAPS that will route to the Primary Server and register the phone and will route to the secondary server if the primary server is down.
These are the paths to get to each CCX logs through CLI. They may be helpful if you are having issues accessing RTMT or downloading logs through it.
If you want to download them you have to prefix "file get " and you can add one of the options (re...