It is a general recipe for disaster - add a machine, remove it in MAAS (in real world that would be e.g. HDD failure, all hw identifiers stay the same but the machine is 'clean'), and then add it again in juju, we end up with:
Machine State DNS Inst id Series AZ Message
0 down 10.2.0.7 axp6tp xenial default Deployed
1 started 10.2.0.7 axp6tp xenial default Deployed
It is a general recipe for disaster - add a machine, remove it in MAAS (in real world that would be e.g. HDD failure, all hw identifiers stay the same but the machine is 'clean'), and then add it again in juju, we end up with:
Machine State DNS Inst id Series AZ Message
0 down 10.2.0.7 axp6tp xenial default Deployed
1 started 10.2.0.7 axp6tp xenial default Deployed