$ juju deploy cs:~jamesbeedy/elasticsearch-34 es-master --config elasticsearch.yaml --to zone=es2 --bind "cluster=vlan20 public=mgmt-net" --constraints "tags=master"
Located charm "cs:~jamesbeedy/elasticsearch-34".
Deploying charm "cs:~jamesbeedy/elasticsearch-34".

$ juju add-unit es-master -n 2 --to zone=es2,zone=es2

$ juju deploy cs:~jamesbeedy/elasticsearch-34 es-data --config elasticsearch.yaml --to zone=es2 --bind "cluster=vlan20 public=mgmt-net" --constraints "tags=data"
Located charm "cs:~jamesbeedy/elasticsearch-34".
Deploying charm "cs:~jamesbeedy/elasticsearch-34".

$ juju add-unit es-data -n 11 --to zone=es2,zone=es2,zone=es2,zone=es2,zone=es2,zone=es2,zone=es2,zone=es2,zone=es2,zone=es2,zone=es2