Western Digital My Book Thunderbolt Duo User Manual - Manual (Page 19)

MY BOOK THUNDERBOLT DUO
USER MANUAL
MANAGING AND CUSTOMIZING YOUR MY BOOK THUNDERBOLT DUO DEVICE – 15
8. The first time you configure to a new volume, a message asks if you want to use the
device drives to back up with Time Machine:
Note: Currently the Encrypt Backup Disk check box only appears on computers using
the Lion operating system. DO NOT select this check box if you have converted to
a RAID volume. Your My Book Thunderbolt Duo device leverages the operating
system to enable RAID configurations. The Stripe and Mirror RAID modes of your
My Book Thunderbolt Duo device are software configured, and the Lion backup
disk encryption feature is not compatible with software-configured RAID devices.
• If you do not want to use the Time Machine backup software, click:
- Don’t Use on Lion
- Cancel on Snow Leopard
Skip to step 10 on page 16.
• If you do want to use the Time Machine backup software, then for:
- A stripe or mirror RAID volume, click Use as Backup Disk and skip to step 10
on page 16.
- Individual drives volumes, proceed to step 9.
9. To use JBOD mode as a backup disk with Time Machine in HFS+J only:
a. Select the volume that you want to use:
• My Book Thunderbolt Duo - A
• My Book Thunderbolt Duo - B
New Mirror Volume
New Stripe Volume
New Individual Drives Volumes