A. The shared logical volumes and filesystems did not have database permissions.
B. There was a test instance running on the standby system that must be shutdown.
C. The tablespaces had an indicator indicating that the database had not shutdown properly.
D. The startup script for the highly available instance did not first perform cleanup operations.

A. Configuration of Hardware Address Takeover is supported.
B. Fewer physical network interface cards are required in the cluster.
C. It is the default for keeping a service IP labels highly available.
D. None-service ip labels must use different subnets than service IP labels.