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3ware® User Guide > Configuring Units > Deleting a Unit

Deleting a Unit
You delete a unit—either an array of disks, or a Single Disk—when you want to reconfigure the unit or use the drives for other purposes.
After you delete a unit, the drives appear in the list of Available Drives.
 
Warning: When a unit is deleted, all of the data on that unit will be lost. The drives cannot be reassembled into the same unit because the data on it is erased. If you want to reassemble the drives into the same unit on another controller, use the Remove Unit button in 3DM instead of the Delete Unit button. Or, if you’re at the BIOS level already, you can shut down the computer and physically move the drives to another 3ware 9000 series RAID controller. When you restart your system, the controller will recognize the unit. For more information see Moving a Unit from One Controller to Another.
If you have incomplete drives, or drives that appear with a message such as “Unsupported DCB,” indicating that they were previously part of a unit on a 3ware 7000/8000 series controller, they must be deleted before you use them. (If you want to move a unit from a 7/8000 controller to a 9000 series controller, you must convert the drives first. For more information, see Moving a Unit from One Controller to Another.)

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