D-Link ShareCenter DNS-320L User Manual page 56

Section 4 - Configuration
A warning message will appear to inform you that all volumes
and data will be formatted and erased.
Click Yes to continue.
Partitioning will now begin. Please be patient while this process
takes place. Do not turn off your NAS during this process.
Once the partition is completed, the formatting process will
begin. A graphical bar will show the volume being formatted.
Do not turn off your NAS during this process.
If you would like to change your settings at this stage, click Exit.
D-Link ShareCenter DNS-320L User Manual 52