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how do I delete and merge lion recovery partition?

I need to use the partition & space that Apple unilaterally seized on my drive for multiple OS boots at work. I need to reclaim this space and merge it into another partition. How do I delete and merge the unwanted Lion recovery partition? Thanks in advance for your assistance.

Posted on Jul 23, 2011 8:19 PM

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3 replies

Sep 20, 2011 1:31 PM in response to ntre

Sorry, was in a bit of a rush, just trying to be polite so folks wouldn't respond to something I no longer needed a response to!


It turned out to be extremely simple:


1. Clone your Lion system to an external drive using SuperDuper. Or you can use Carbon Copy Cloner, I prefer SuperDuper because it preserves creation & modification dates on all files. I refer to these dates constantly. Come to think of it, I don't know if CCC will actually work here...


2. Shut down & boot off that external drive.


3. Wipe your old drive & format to one partition using Disk Utility off the external drive. This eliminates the restore partition Apple grabs from your drive.


  • Launch Disk Utility
  • Right-click on the Disk (not the partitions) and select “Erase”
  • Select the default Mac OS Extended (Journaled) as the file system, and give the drive a name
  • Click on “Erase” to completely format the drive – you will lose all data on the drive and all partitions


4. Restore Lion & all your system/user folders & files using SuperDuper off the external drive.


Viola! No restore drive, you've reclaimed all your space. SuperDuper does not copy the restore partition. Now you can add other OSes & not run up against the 4 partition rule so quickly.


This took me about 2 hours & was fairly easy. Recovered that huge partition on a small SSD in a MacBook Air - where space is expensive & at a premium. Works like a champ, too. YMMV. Good luck!

how do I delete and merge lion recovery partition?

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