With vmware clusters the behavior is the following:
1. When a new cluster is added all ESX hosts in the cluster are automatically
discovered and added to ACS with no host tag. If a tag is needed it needs to be
added to each host individually
2. To add an additional host to a cluster
a. Add host in vSphere matching network config of other hosts e.g. if vDs is
used new host needs to be added to vDS before proceeded to the next step
b. All hosts in the cluster should have the same name for Management portgroup
and match ACS global setting ‘vmware.managment.portgroup’. The default is
‘Management Network’
c. Add host into cluster in ACS using host name as seen in vCenter client. A
host tag can be specified at that time. To authenticate to the host ACs will
use vSphere credentials cached for the cluster.
