I have a My Book Thunderbolt Duo 4TB on order and have a very important question about managing the drive. When I receive the drive I plan to simply take it out of the box, plug it in to my iMac running Mavericks (and soon to be upgraded to Yosemite), and then manage it using Disk Utility. I need …

Welcome to the community FishingAddict. There are no problems of this kind. Yes, you can use the Disk Utility to change the RAID type, but the only supported way is using the WD Drive Utily. I don’t have information on this, I recommend you to contact tech support for this one. http:/…

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Disk Utility only for drive management?

WD External Drives External Drives for Mac

FishingAddict October 25, 2014, 1:32am 3

Thanks for the clear answer. That puts me more at ease.