What is the extra partition, is it normal?

Discussion in 'MacBook Pro' started by Ckar, Nov 24, 2013.

  1. Ckar macrumors member

    Joined:
    Nov 14, 2013
    #1
    I recently used Carbon Copy Cloner and transferred everything to a new SSD.

    I followed these instructions: https://discussions.apple.com/docs/DOC-4122

    Here is my SSD:

    Number Start (sector) End (sector) Size Code Name
    1 40 409639 200.0 MiB EF00 EFI System Partition
    2 409640 467330407 222.6 GiB AF00 Untitled
    3 467330408 468862087 747.9 MiB AB00 Apple_HFS_Untitled_2

    What is number 3 that is taking up 747 mb and can I reclaim the space and how?
     
  2. Intell macrumors P6

    Intell

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    Inside
    #2
    That number three partition is very likely the recovery partition and best left in place and untouched.
     
  3. Ckar thread starter macrumors member

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    Nov 14, 2013
    #3
    Was that partition always there? I didn't check before I swapped disks.
     
  4. Intell macrumors P6

    Intell

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    #4
    That partition is there by default on Lion and newer systems.
     
  5. Weaselboy Moderator

    Weaselboy

    Staff Member

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    Location:
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    #5
    It is odd that it is 747.9MB and not named correctly if it is the recovery partition. It is normally 650MB and named "Recovery HD". It is a hidden partition and not seen in Finder.

    Run the below command in Terminal and post up the output. That will show if you have a recovery partition or not.

    Code:
    diskutil list
     
  6. Ckar thread starter macrumors member

    Joined:
    Nov 14, 2013
    #6
    Here is the output

    Code:
    diskutil list
    /dev/disk0
       #:                       TYPE NAME                    SIZE       IDENTIFIER
       0:      GUID_partition_scheme                        *240.1 GB   disk0
       1:                        EFI EFI                     209.7 MB   disk0s1
       2:                  Apple_HFS Storage                 239.1 GB   disk0s2
       3:                 Apple_Boot Recovery HD             784.2 MB   disk0s3
     
  7. Wuiffi macrumors 6502a

    Wuiffi

    Joined:
    Oct 6, 2011
    #7
    do you know what the recovery hd is for? - was your question answered or should we explain it to you more detailed? :)
     
  8. Weaselboy Moderator

    Weaselboy

    Staff Member

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    #8
    Hmmm.... odd. Don't know how you got that size Recovery HD partition. Were you messing around with partition sizes at any step along the way?

    Can you do a command-r boot to recovery just to make sure it is okay?

    Every one I have ever seen is 650MB exactly like this.

    Code:
     3:                 Apple_Boot Recovery HD             650.0 MB   disk0s3
    I Googled a little and I do see some mentions of people with a 784.2MB recovery partition, and some of those posts are in the context of a Carbon Copy Cloner clone. Strange. :confused:
     
  9. Ckar thread starter macrumors member

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    Nov 14, 2013
    #9
    Holding down Command R at startup boots the laptop into OS X utilities.
     
  10. Weaselboy Moderator

    Weaselboy

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    #10
    So the recovery partition is there and working. You should be good to go then. I just have never seen it that size before. Hmm
     
  11. Intell macrumors P6

    Intell

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  12. Weaselboy Moderator

    Weaselboy

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    #12
    I have had Lion, Mountain Lion, and now Mavs and the recovery partition has always been 650MB on all three. Have you ever seen that 784MB size Ckar is seeing? :confused:
     
  13. Intell macrumors P6

    Intell

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    #13
    I have on a retina Macbook Pro with a stock installation of Lion. Confused me a bit as well.
     
  14. tigerintank macrumors regular

    Joined:
    Jun 16, 2013
    #14
    have a late 13 rMBP and it has the 650MB version

    #: TYPE NAME SIZE IDENTIFIER
    0: GUID_partition_scheme *500.3 GB disk0
    1: EFI EFI 209.7 MB disk0s1
    2: Apple_HFS Macintosh HD 499.4 GB disk0s2
    3: Apple_Boot Recovery HD 650.0 MB disk0s3
     
  15. Ckar thread starter macrumors member

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    Nov 14, 2013

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