Removing a disk from a cluster can cause data loss or other loss of functionality. When you remove the disk, it will become ...

Removing a disk from a cluster can cause data loss or other loss of functionality. When you remove the disk, it will become detached, offline, and read-only and will require additional steps to be ready to use again. Do not remove the disk until you are certain that it is safe to do so. 
Do you want to remove the disk from the cluster?