Product : Oracle, Oracle VM/3.4, x86 Edition
Feature : Cluster Size, HA/DR, VM Mobility and HA
Content Owner:  Roman Macek
Summary
32 Hosts in Cluster/Pool
Details
Oracle VM can have up to 32 Servers on each Clustered Server Pool and up to 64 Servers on each Unclustered Server Pool. More info on: http://docs.oracle.com/cd/E64076_01/