text: **Automatic internal configuration**
  By selecting**Internal**, you rely on automatically chosen parameters such as RAID type 
  (traditional or distributed), stripe width, number of spares (for traditional RAID), number of 
  rebuild areas (for distributed RAID), and number of drives of each class. The number of drives 
  is the only value that can be adjusted when the array is created. Depending on the number 
  and the type of drives that are selected for the new array, the RAID level automatically 
  adjusts. Also, the system automatically assigns spare disks. 
  
  . 
  
  **Note:**It is not possible to change RAID level or drive count of the existing array. If you need 
  to change these properties, you must delete array MDisk and re-create it with the required 
  settings. 
  
  In the example given in Figure 6-38, the dialog box suggests that you to assign 9 drives out of 
  the given 10 to RAID6 array, the remaining one is assigned as a hot-spare. 