With support for multiple virtual machine clusters (Multi-VM) and virtual machine (VM) cluster node subsetting, you can create multiple VM clusters on a single Exadata Cloud Infrastructure. This enables you to choose specific database servers within the infrastructure to host VMs from the cluster. The same Exadata Cloud Infrastructure can host VM clusters supporting both the Exadata Database Service on Dedicated Infrastructure (ExaDB-D) and the Autonomous Database (ATP-D and ADW-D).

The example in this diagram has four VM clusters with resources allocated across six database servers that are connected to four storage servers. The VM clusters are allocated as follows:

• ATP-D cluster 1 and ADW-D cluster 1 each have 6 VMs allocated equally across all six database servers.
• ExaDB-D cluster 1 has three total VMs allocated on database servers 1, 2, and 4.
• ExaDB-D cluster 2 has two total VMs allocated on database servers 5 and 6.

• Scale Up or Scale Down Operations
• VM Cluster Node Subsetting