DIY Fusion Drive -- recovery partition on both drives?

Discussion in 'OS X Mountain Lion (10.8)' started by Vercingetorix, Jun 18, 2013.

  1. Vercingetorix macrumors regular

    Joined:
    Jan 17, 2007
    Location:
    Atlanta, USA
    #1
    I've got a 2011 iMac with the factory-installed SSD/HDD combo. I've been running a DIY Fusion drive for awhile; it works spectacularly. I installed by 1) formatting both drives, 2) setting up the Fusion drive, 3) doing a fresh install of Mountain Lion to create the recovery partition, and then 4) restoring from my clone.

    When I look in diskutil, I see that there's a recovery partition labeled "Boot OS X" on both drives; on the 2 TB HDD, that partition is 650 MB. Not a huge deal, obviously, but I'm unclear why the second drive needs it. Do other DIY Fusion drive users have recovery partitions on both drives?
     
  2. crjackson2134 macrumors 68020

    crjackson2134

    Joined:
    Mar 6, 2013
    Location:
    Charlotte, NC
    #2
    Not sure, but it's a great idea and perhaps designed that way. If the SSD dies, you can boot recovery from the spinner. If the spinner dies you can boot recovery from the SSD.

    I may set one up to play with next couple of weeks.
     

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