Each vendor has their own method for managing RAID systems. It is best to test your configuration completely by ensuring that you are able to failover and then fail back each resource in the cluster. As part of the installation process, ensure that you have identified each cluster resource and the preferred server the resource should default to when the cluster is restarted. These preferences are set using Cluster Administrator.
In an active/active configuration for example, each server runs one instance of the Microsoft® SQL Server™ virtual server service as a primary node while using the remaining node as a secondary node. Preferences for these services and the shared RAID disk services may be set individually to ensure proper allocation of resources when the cluster is started. You need to restart both servers after setting these parameters to validate that everything will work as expected.