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Restore Time Machine backup to Raid 0 (Striped set)?

940 Views 4 Replies Latest reply: Nov 22, 2013 5:21 AM by John Lockwood RSS
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Nov 21, 2013 5:26 AM

I've been struggling with setting up my Mac mini (late 2012) server with a Striped RAID set and then restoring a Time Machine backup to the new RAID 0 volume. Here are the steps I have undertaken:


  1. Bought a 3TB Airport Time Capsule and created a full restore of my existing Time Machine backups to it.
  2. My Mac mini has dual 1TB hard drives. Pressed Command + R on bootup and entered recovery mode.
  3. Using Disk Utility, I created a Striped RAID set by adding both my 1TB drives as slices to a new RAID set and clicked on Create.
  4. After the RAID set was created, I exited Disk Utility.
  5. Clicked on Restore from Time Machine Backup.
  6. The process fails as it cannot create a Recovery Partition on a RAID set.


After much exploration, I think the problem can be resolved by attempting to Reinstall OS X on Step 5 and then attempting a Time Machine restore after the core OS is in place. Thoughts?

Mac mini, OS X Mavericks (10.9)
  • lllaass Level 10 Level 10 (134,975 points)

    Additional Information

    A Recovery partition cannot be created on RAID volumes. If your startup device is a RAID volume, you back up and reconfigure your computer to use a non-RAID boot volume. If needed, create a separate RAID volume for data which is not the target of the OS X installation. You can also create an external, bootable drive with a Recovery partition, as described above.

    See this article if the following message appears during the install process:

    • "Install Failed: OS X could not be installed on your computer. OS X can't be installed on the disk because a recovery system can't be created. Visit to learn more"



  • Linc Davis Level 10 Level 10 (107,450 points)

    After installing the OS and booting from it, you'll be prompted to transfer data from a backup, among other options. Do that.

  • John Lockwood Level 5 Level 5 (5,075 points)

    For this sort of situation of wanting to make a server RAID1 I normally clone everything off the server to an external drive, setup the RAID1, then clone everything back. CarbonCopyClone is perfect for this.


    You will also need an external boot drive.


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