That's not how it works, the order doesn't even really matter as the system tries to load balance the load between all available resources in the MRG, and it won't failover to the another MOH, unless it's out of resources (streams), not finding the file is not a reason to try another server.
That's why you need to upload the files to ALL servers.
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...