Buffalo TeraStation 5010 TS5210DN User Manual page 23

If you want to keep the RAID mode as is, select "Keep current RAID mode" and click Next.
Note: The RAID settings page will not be displayed if using TS5210DN series.
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The usage feedback settings page will be displayed. If you allow Buffalo to collect your usage and environment
information, select the "Send usage feedback" box. If you don't permit information collection, leave the box
blank and click Next.
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