User manual
TeraStation III iSCSI User Manual 25
Conguring a Hot Spare
A hot spare will automatically replace a failed drive in a RAID array. You must have an extra drive to congure as a hot
spare, so it is only usable with a RAID 5 array of 3 drives or a RAID 1 array. Congure a hot spare as follows.
Note:
When you change a drive from normal mode to a hot spare, or from a hot spare back to normal mode, all data on the
drive is lost. Back up any important data on the drive before changing settings.
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Note:
You can change a hot spare drive to a normal drive by clicking Set to normal disk.
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The Conrm Operation screen will appear. Enter the displayed number and click Apply within 60 seconds to
continue.
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Follow the instructions displayed on the screen.
You have congured a hot spare.
Click an array which is set either RAID 5 or RAID 1.
Click Set to spare-disk.
In Settings, navigate to Basic - Storage - RAID Array
Drive Failures
If a drive in the TeraStation fails, open the front cover and check the Status LED lights. If a drive’s Status LED is lit or
ashing red, it is malfunctioning and needs to be replaced. For replacement, use Bualo OP-HD series drives of the same
size.
For more information on drive removal, installation, and rebuilding RAID arrays, refer to the “Hard Drive Replacement
Procedure” document available from the link provided in the TeraNavigator CD. You can also download the document
from www.bualotech.com.