I am using the gui "Disk Utility". It looks simple enough. Disk Utility shows the 3 2TB drives I want to build into 1 Raid 5 disk. However, when I go to FILE | CREATE RAID and am presented with all the drives, the 3 drives are grayed out and the message says "no free space". I have attempted to format the drive, format the partion, delete the partions, mount, unmount. But in the end, I get Error Creating Raid Array. Looks so easy to use the disk utility gui and get this setup. What am I missing? Wrong format for the drives? What?
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