
ReadyNAS Desktop Storage Systems
Previously Formatted Disks
You must take care when using previously formatted disks in your ReadyNAS unit, as described in the following table.
| Unit Status | Precaution | 
| 
 | 
 | 
| ReadyNAS unit has no disks | Turn the unit off and insert the disk as described in Diskless Units on | 
| (diskless) | page 7. Then, perform a factory default reboot as described in the boot | 
| 
 | menu section for your ReadyNAS unit: | 
| 
 | • Ultra 2, Ultra 2 Plus, and Pro 2 Boot Menu on page 14 | 
| 
 | • Ultra 4, Ultra 4 Plus, Pro 4, NVX Pioneer, and NVX (Business Edition) | 
| 
 | Boot Menu on page 21 | 
| 
 | • Ultra 6, Ultra 6 Plus, Pro 6, Pro Pioneer, and Pro (Business Edition) Boot | 
| 
 | Menu on page 28 | 
| 
 | Note: This process erases all data and reformats the previously formatted | 
| 
 | disk to  | 
| 
 | move the data to an external drive before using the previously formatted disk | 
| 
 | in your ReadyNAS unit. | 
| 
 | If you try to use a previously formatted disk in your unit without following this | 
| 
 | process, the unit will indicate that the disk is corrupt. | 
| 
 | 
 | 
| ReadyNAS unit is operating with | With the unit running, insert the disk in an empty disk bay as described in | 
| one or more disks | Adding a Disk on page 32. The unit automatically formats the disk in the | 
| 
 | same format as your existing disks. | 
| 
 | Note: This process erases all data on the previously formatted disk. If you | 
| 
 | want to preserve the data on the disk, you must move the data to an external | 
| 
 | drive before using the previously formatted disk in your ReadyNAS unit. | 
Previously formatted disks must appear on the NETGEAR Hardware Compatibility List, which is available at http://www.readynas.com/hard_disk_hcl.
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