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Mac OS X Base System???

17181 Views 11 Replies Latest reply: May 4, 2013 1:17 PM by Topher Kessler RSS
Tommy666 Level 1 Level 1 (0 points)
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May 3, 2013 6:44 PM

I have just purchased a 15" Macbook Pro w/ Retina and I decided to do a clean re-install of OS X 10.8.3.  After I created a bootable USB drive I entered the Disk Utility program and say this extra disk at the bottom named OS X Base System.  I have attached a photo to show what I am talking about.  I would like to know if this is the recovery partition and can I remove it?  I am not sure if this is embedded on the SSD or if it is a seperate ssd with the recovery that cannot be touched.  Thank you.photo.JPG

MacBook Pro with Retina display, OS X Mountain Lion (10.8.3)
  • Frank Caggiano Level 7 Level 7 (22,830 points)
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    May 3, 2013 6:54 PM (in response to Tommy666)

    Your image didn't make it into the poast

  • Linc Davis Level 10 Level 10 (107,985 points)
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    May 3, 2013 8:34 PM (in response to Tommy666)

    That's the USB drive.

  • andyBall_uk Level 6 Level 6 (17,595 points)
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    May 4, 2013 5:06 AM (in response to Tommy666)

    ctrl-click it & choose 'Reveal in Finder'

  • Linc Davis Level 10 Level 10 (107,985 points)
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    May 4, 2013 5:29 AM (in response to Tommy666)

    I can no longer see your screenshot. Please repost it.

  • Topher Kessler Level 6 Level 6 (9,305 points)
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    May 4, 2013 7:48 AM (in response to Tommy666)

    This partition mounts as part of the install process. If you are performing a clean installation then you can use Disk Utility to partition to a single partition, and when you then continue to install OS X the system will create the recovery partition on the internal drive.

  • Linc Davis Level 10 Level 10 (107,985 points)
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    May 4, 2013 9:09 AM (in response to Tommy666)

    I can see the screenshot now. The answer you marked correct is wrong. The item named "Mac OS X Base System" is on a netboot volume. Were you booted in Internet Recovery mode at the time?

  • Linc Davis Level 10 Level 10 (107,985 points)
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    May 4, 2013 9:43 AM (in response to Tommy666)

    I am assuming that this drive is actually on a server somewhere and not my SSD.

     

    That's right.

  • Topher Kessler Level 6 Level 6 (9,305 points)
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    May 4, 2013 1:17 PM (in response to Tommy666)

    The information being given to you here is incorrect.

     

    This disk is very much part of the normal installation of OS X, and in your case is a networked volume because you booted the system into "Internet Recovery" mode, which loads the recovery drive and its tools from a server at Apple instead of from your local drive. This happens if the system cannot find a valid local boot volume when you instruct it to boot to the Recovery partition (ie, by holding Command-R at startup), or if you have forced the system to load in Internet Recovery mode by holding Option-Command-R. Again, a normal part of the installation process.

     

    If you would like to boot from your manually created USB drive, then instead of holding Command-R or Option-Command-R at startup, simply hold the Option key and you will be presented with a boot menu, in which you can select your USB drive and load directly to it.

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