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OS X: "Some features of Mac OS X are not supported for the disk (volume name)" appears during installation

During installation, OS X may display the message: "Some features of Mac OS X are not supported for the disk (volume name)".

Why does this message appear?

Usually, this message appears in one of two scenarios:

  • The disk you are installing on is a RAID volume
    or
  • The disk has a non-standard Boot Camp partition setup, in which further partitioning was performed after running Boot Camp Assistant, or the configuration that Boot Camp Assistant created was manually modified

This message means the installer cannot create the Recovery system on your hard disk. Recovery offers on-disk recovery tools, allows you to restore from Time Machine backups, reinstall OS X via the Internet, or set a firmware password. Recovery is not needed to install and use OS X, or to access most of its capabilities and new features.

What will happen if I continue to install?

Recovery is not needed to install and use OS X, or to access most of its capabilities and features. However, some features are not available without a Recovery partition installed on your computer:

  • You won't be able to use FileVault disk encryption to secure your data.
  • You won't have the on-disk utilities for disk repair and setting a firmware password.

What can I do to make sure I get all OS X features when upgrading?

Use these steps to install a copy of OS X that includes a Recovery system on the hard disk:

  1. Make a full backup of your hard disk and all of its data (including your Boot Camp partition, which is not normally backed up by Time Machine).
  2. Erase your hard disk and create a single Mac OS Extended (Journaled) partition.
  3. Reinstall your original copy of OS X.
  4. Re-download the OS X upgrade from the Mac App Store and retry your upgrade install.

If you use Boot Camp, you can use Boot Camp Assistant after installing OS X to create a new Boot Camp partition. After creating the partition, restore the data from the backup you made of your previous Boot Camp installation.

How do I reinstall OS X or erase my drive?

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 www.apple.com/support/no-recovery to learn more"

 

Last Modified: Nov 1, 2013
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  • Last Modified: Nov 1, 2013
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