User manual

MY BOOK THUNDERBOLT DUO

USER MANUAL

REPLACING A DRIVE – 21

Replacing a Drive

This chapter includes the following topics:

Determining Which Drive Failed

Contacting WD Technical Support

Removing and Replacing the Drive

Determining Which Drive Failed

Whether the application is running or not, the WD Drive Utilities software continuously

monitors the operational condition of your My Book Thunderbolt Duo drives. When a

drive fails, the utility displays a warning message, depending on the configuration of your

system:

For a striped RAID 0 configuration:

For a mirrored RAID 1 configuration:

For an individual drives JBOD configuration:

As prompted for a RAID configuration, use the WD Drive Utilities software to determine

which drive has failed. (See “Checking the Device Status” on page 12.)

For a JBOD configuration, the warning message indicates the drive that failed.