Configuring A Hot Spare - Buffalo TeraStation TS5210DN User Manual

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RAID array will be corrupted so that data will be lost. It is recommended to proceed without changing settings that
the confirmation screen appears.
Selecting the Action on the Confirmation Screen
When having the confirmation screen displayed, the following screen will appear after logging in to Settings if the
drive used for the RAID array could not be mounted. Select the action to run when the screen appears.
Conditions and Corrective Actions If Undetected Drives Aren't Displayed Properly
Even though you have configured to show the confirmation screen if a drive using for the RAID array cannot
be mounted, the undetected drives cannot be displayed properly under the following conditions. If you have
configured the RAID array as below, follow the procedure below for sure.
Conditions
RAID 10 has been configured.
Multiple arrays have been configured.

Configuring a Hot Spare

If you have a hot spare configured and an array fails, the TeraStation immediately switches over to the hot spare. To
use a hot spare, you need an extra drive that's not part of any array and a RAID 1 or RAID 5 array.
Corrective Actions
1
Select "Shut down the TeraStation and reconnect the drives" and
click Execute.
2
Confirm all drives have been inserted properly.
3
Press the power button and power on the TeraStation.
4
Log in to Settings and make sure the confirmation screen doesn't
appear.
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