Home > FileVault 2, Mac administration, Mac OS X > Encrypting non-boot volumes in Mountain Lion

Encrypting non-boot volumes in Mountain Lion

Mountain Lion has made encrypting non-boot volumes without erasing them a much easier process than it was in Lion. In Lion, you needed to go to the command line. In Mountain Lion, encryption is a right-click away. See below the jump for the details.

To encrypt a non-boot volume:

1. Right-click on the volume you want to encrypt

2. Select the Encrypt… command

Screen shot 2012-07-25 at 11.20.14 AM

3. When prompted, enter a password and (optionally) a password hint.

Screen Shot 2012-07-25 at 11.09.55 AM

The drive will momentarily disappear from the desktop (to initialize the encryption) then re-appear.

Screen shot 2012-07-25 at 11.10.20 AM

Screen shot 2012-07-25 at 11.10.26 AM

You can monitor the encryption progress by opening Terminal and running the following command:

diskutil corestorage list

Screen Shot 2012-07-25 at 11.12.36 AM

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