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T E C H N O L O G I E S
User Guide
RAID Tower III
(RT3DAHEU3)
Notes on Spare Drives using the Easy RAID Setting (EZ)
When EZ is function is ENABLED, the auto-rebuilding to spare drive is automatic.
The degraded RAID group will start rebuilding automatically by using the existing
spare drive.
* Spare drive can be either plugged before RAID building or a new drive can be plug
as the spare drive when RAID rebuild is required.
A. Which port acts as a spare drive?
The last drive will automatically become the spare drive.
For a 3-drive RAID5 with spare:
Drives connected to SATA ports 1~3 belong to the active RAID5 array and
drive connected to port 4 is the spare.
For a 4-drive RAID10 with spare:
Drives connected to SATA ports 1~4 belong to the active RAID10 array and
drive connected to port 5 is the spare.
For a 2-drive RAID1 with spare:
Drives connected to SATA ports 1& 4 belong to the active RAID1 array and
drive connected to port 5 is the spare.
B. When will rebuild action start?
• When the raid fails and EZ is enabled, the HPM-XA will
automatically rebuild the RAID group using the spare.
• When the raid fails and EZ is disabled, the HPM-XA will NOT
rebuild the raid group unless you install a good drive to replace the
failed drive.
Technical Support
If you need any assistance to get your unit functioning properly, please have your
product information ready and contact Addonics Technical Support at:
Hours: 8:30 am - 6:00 pm PST
Phone: 408-453-6212
Email: http://www.addonics.com/support/query/
v8.1.11
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Phone: 408-573-8580
Fax: 408-573-8588
Email: http://www.addonics.com/sales/query/
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