Ok, this explains why it’s not working as it should.
The version you have is still missing some features to have the HA setup working.
Particularly this is what prohibits the balancer to be enabled.
https://gitlab.cern.ch/dss/eos/blob/4.4.23/mgm/QdbMaster.hh#L140
I suggest to use anything >= 4.4.47 for the HA setup to work fine.
Cheers,
Elvin