Western Digital My Book Thunderbolt Duo User Manual - Manual (Page 16)

MY BOOK THUNDERBOLT DUO
USER MANUAL
MANAGING AND CUSTOMIZING YOUR MY BOOK THUNDERBOLT DUO DEVICE – 12
Managing the RAID Configuration
The initial/default configuration of your My Book Thunderbolt Duo device is as a striped
RAID 0 disk array for high-speed/maximum-storage performance. You can reconfigure
the device as either:
• A mirrored RAID 1 disk array for maximum-protection/reduced-storage
• JBOD individual drives that can be formatted differently for enhanced flexibility
Checking the Device Status
The WD Drive Utilities software provides a status indication of the device configuration
and each device drive.
To check the device status:
1. Click Go > Applications > WD Drive Utilities to display the WD Drive Utilities screen
(see Figure 3 on page 9).
2. If you have more than one supported storage device connected to your computer,
select the one that you want to check.
3. Click RAID Management > Status to display the device status:
4. The status display shows:
• Current Configuration as either:
- Stripe
- Mirror
- Individual Drives
• RAID Status as either:
- Online
- Offline
- Degraded
- Failed
• For RAID configurations, Drive A and Drive B Status as either:
- Online—The drive is online and available
- Failed—The drive has failed
- Removed—The drive has been removed
- Standby—The drive is part of the RAID array but needs to be rebuilt
- Rebuilding—The drive is being rebuilt
- Unknown—The drive has some other undetermined status