Drives Selecting  Drives  shows information about the drives that are included in the array, as shown  in Figure 4-57. Figure 4-57 Window showing the drives that are members of an MDisk 4.3.5 Actions on external MDisks External MDisks support specific actions that are not supported on arrays. Some actions are  supported on unmanaged external MDisks only and some are supported on managed  external MDisks only. Chapter 4. Storage pools  205