Apple unveils Lion Recovery Disk Assistant

Jonathan Seff, Macworld
11 August, 2011
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Apple has released Lion Recovery Disk Assistant, a tool that lets you create a Lion Recovery volume on an external hard drive.

Because Lion is currently available only as a download from the Mac App Store, there’s no DVD from which to boot if you encounter problems with your startup disk and need to repair or even erase it. As a result, Apple created Lion Recovery, a partition that’s part of every Lion installation that lets you reinstall Lion, repair the disk using Disk Utility, restore from a Time Machine backup, or browse the web using Safari.

But because the Lion Recovery partition is actually part of your Mac’s internal hard drive or solid-state drive, if that drive is having hardware problems or partition-map issues, the recovery partition itself may be inaccessible.

With Lion Recovery Disk Assistant, you can now replicate all the features of the built-in partition, but on an external USB hard drive or thumb drive with a least 1GB of free space. Apple notes that when the Lion Recovery Disk Assistant completes, the new partition will not be visible in the Finder or Disk Utility. To access it, reboot the computer while holding the Option key and select Recovery HD from the Startup Manager.

Apple has also posted a support document called ‘About Lion Recovery Disk Assistant’ on its website with more details.

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