How to Setup Raid on Mac. Overview of RAID Types. Mac OS X Yosemite

Open Disk Utility

Striped RAID (RAID 0)

- join 2 disks for bigger (same size disk) Mirrored RAID (RAID 1)

- mirrored. copy on each drive, one drive dies ok (same size disk) Concatenated

- multiple disks of varying sizes. One large disk. not mirrored.