If ASM disk groups are configured for the Clusterware files, then ASM must be used for all databases on the cluster.

The Installer permits the creation of a disk group to be used for the Recovery Area for the ASM instance.

If no ASM disk groups are specified during installation, then ASM instances are not started after the installation completes on any cluster node.

ASM disk groups used for voting files and OCR files require a quorum failqroup.

The Installer permits the creation of a disk group for use by the voting disks and OCR file.