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How to Use Disk Utility to Create a RAID 1 (Mirrored) Array
  1. Access Disk Utility via /Applications/Utilities. Make sure that the drive / drives are connected to your computer and turned on.

  2. Once Disk Utility is open, click on one of the drives that you want to create the RAID 1.

  3. Click on the RAID tab.

  4. Enter a name under RAID Set Name to name the drive. This will be the name of the drive that will appear when mounted in Finder.

  5. Make sure that the Volume Format says Mac OS Extended (Journaled).

  6. In RAID Type, click on Mirrored RAID Set.

  7. Drag the two drives that you want to create a Mirrored RAID with into the white box.

  8. Once both drives are in the white box, click on Create, then Create again on the Warning Message to start building the Mirrored RAID Set.

  9. Once the process has completed, the drive will mount in Finder.

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Article ID: 171 Article Created: 04-15-2014 17:26 PMLast Modified: 04-15-2014 17:26 PM

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