T E C H N O L O G I E SUser GuideRAID 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 existingspare drive.* Spare drive can be either plugged before RAID building or a new drive can be plugas 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 anddrive 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 anddrive 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 anddrive connected to port 5 is the spare.B. When will rebuild action start?• When the raid fails and EZ is enabled, the HPM-XA willautomatically rebuild the RAID group using the spare.• When the raid fails and EZ is disabled, the HPM-XA will NOTrebuild the raid group unless you install a good drive to replace thefailed drive.Technical SupportIf you need any assistance to get your unit functioning properly, please have yourproduct information ready and contact Addonics Technical Support at:Hours: 8:30 am - 6:00 pm PSTPhone: 408-453-6212Email: http://www.addonics.com/support/query/v8.1.11www.addonics.comRwww.addonics.comPhone: 408-573-8580Fax: 408-573-8588Email: http://www.addonics.com/sales/query/CONTACT US