You can add managed disks (MDisks) that have been excluded from the cluster back into the cluster from the Including Managed Disk panel.
You must fix the fabric-related problem that caused the MDisk to become excluded from the cluster before you can add the MDisk to the cluster.
This task assumes that you have already launched the SAN Volume Controller Console.
The MDisk might have been excluded from the cluster because of multiple I/O failures that are caused by noisy links.
Perform the following steps to add an excluded MDisk to a cluster: