P
Striping: Maximize resources available for the VMs by spreading the VMs in the hosts
Load-aware: Maximize resources available for the VMs by using those nodes with less load
Custom: Use a custom RANK
Fixed: Hosts will be ranked according to the PRIORITY attribute found in the Host or Cluster template
https://docs.opennebula.io/5.12/operation/host_cluster_management/scheduler.html