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  1. #1


    Member Since
    Aug 25, 2008
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    diskutil resizeVolume: I'm attempting to resize partitions. Help?
    My Macbook has a partition for BOOTCAMP and a partition for MAC OS X. I want to increase the size of my MAC partition and decrease the size of my BOOTCAMP partition using the Terminal and the diskutil resizeVolume commands. I'm currently following the instructions from this link:

    Resize partitions on-the-fly | Utilities | Macworld

    But I'm a little stuck and need help. I'm not very good with MAC or anything related to installing the OS, so I'm trying to be careful what I do. Here is my progress:

    user$ diskutil list
    /dev/disk0
    #:______TYPE NAME__________________SIZE________IDENTIFIER
    0:__GUID_partition_scheme___________*500.1 GB______disk0
    1:_______________EFI_______________209.7 MB______disk0s1
    2:________Apple_HFS Macintosh HD______32.1 GB______disk0s2 (want to increase the size of this partition)
    3:__Microsoft Basic Data BOOTCAMP_____467.7 GB______disk0s3 (want to reduce this if necessary)


    user$ diskutil resizeVolume disk0s2 limits (checked without resizing other partitions)
    For device disk0s2 Macintosh HD:
    ______Current size: 32.1 GB (32078036992 Bytes)
    _____Minimum size: 32.1 GB (32078036992 Bytes)
    ____Maximum size: 32.1 GB (32078036992 Bytes)


    user$ diskutil resizeVolume disk0s3 limits
    Volume format does not support resizing
    (I'm stuck here)

    So here are my questions. Is there a way to increase the maximum size of the MAC partition? Would I be able to make the MAC partition bigger if I reduced the partition with BOOTCAMP? Would I be able to reduce the BOOTCAMP partition if that's needed to increase size of the MAC partition?

    Can somebody please help me?
    Here is some general information about my Macbook if it would help:

    Devices on MAC OS desktop:

    -------------------------
    Macintosh HD

    Kind: Volume
    Version: 10.6.3
    Format: Mac OS Extended (Journaled)
    Capacity: 32.08 GB
    Available: 10.42 GB
    Used: 21.66 GB on Disk
    -------------------------
    BOOTCAMP

    Kind: Volume
    Format: Windows NT File System (NTFS)
    Capacity: 467.69 GB
    Available: 498.33 GB on disk


    About this Mac:

    -------------------------
    Model Name: MacBook
    Model Identifier: Macbook 1,1
    Mac OS X version 10.6.3
    Processor: 1.83 GHz Intel Core Duo
    Memory: 2 GB 667 MHz DDR2 SDRAM

  2. #2

    bobtomay's Avatar
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    What you want is CampTune from Paragon.
    I cannot be held responsible for the things that come out of my mouth.
    In the Windows world, most everything folks don't understand is called a virus.

  3. #3


    Member Since
    Aug 25, 2008
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    Thanks a lot. I just used Camptune, and here is my result:

    user$ diskutil resizeVolume disk0s2 limits
    For device disk0s2 Macintosh HD:
    ______Current size: 193.5 GB
    _____Minimum size: 32.0 GB
    ____Maximum size: 193.5 GB


    But the info for my Macintosh HD is still pretty much the same:

    Kind: Volume
    Version: 10.6.3
    Format: Mac OS Extended (Journaled)
    Capacity: 32.08 GB
    Available: 10.51 GB
    Used: 21.57 GB on Disk


    The size of my BOOTCAMP has been reduced as I intended, so now the maximum size of my MAC partition has been increased as well. But the MAC partition still hasn't been increased to its maximum size. So there's still available space in my hardrive, and I want to use that to increase my MAC partition to 193.5 GB.

    I don't want to create any more partitions, and the BOOTCAMP is already perfect as is, with its intended size and all data still present. I just want the MAC HD's capacity to its maximum.

    I've already backed up my data, in case I really should have. So can you please tell me what should I type into the terminal to resize the MAC partition to its maximum size?

    Thanks.

  4. #4

    bobtomay's Avatar
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    You might want to read it again.

    It lists both current and maximum size at 193.5 GB.
    I cannot be held responsible for the things that come out of my mouth.
    In the Windows world, most everything folks don't understand is called a virus.

  5. #5


    Member Since
    Aug 25, 2008
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    Can you please look at these screenshots? I made these screenshots after using Camptune. The sizes in the Macintosh HD Info and the Terminal don't appear to match. If I were to install a program that requires about 55 GB, which I plan to, should I assume I'm ready to install now?

    I'm still a MAC beginner, so I'm sorry if I'm a little slow to understand.
    Attached Images Attached Images

  6. #6

    bobtomay's Avatar
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    Open up Disk Utility and see what it shows.

    I cannot be held responsible for the things that come out of my mouth.
    In the Windows world, most everything folks don't understand is called a virus.

  7. #7


    Member Since
    Aug 25, 2008
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    Here's what I got from Disk Utility. Can you tell me what to do next?
    Attached Images Attached Images

  8. #8

    bobtomay's Avatar
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    ??? To me, it looks like something went wrong while you were attempting to use the command line tools to do this.

    Possibly boot from your OS X disc and run the Verify/Repair Disk.

    Based on all the conflicting info you've got listed there, if it were me, I'd be blowing the whole drive away and restoring from my backups (I can do that in under 1 1/2 hrs) and then stick to GUI tools. I leave most of that command line stuff to folks smarter than I am.

    Maybe someone will come along familiar with something like this and have a better idea.
    I cannot be held responsible for the things that come out of my mouth.
    In the Windows world, most everything folks don't understand is called a virus.

  9. #9

    chscag's Avatar
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    Can you please look at these screenshots? I made these screenshots after using Camptune. The sizes in the Macintosh HD Info and the Terminal don't appear to match. If I were to install a program that requires about 55 GB, which I plan to, should I assume I'm ready to install now?
    It looks like your drive has been partitioned like this: (500.1 GB)

    EFI partition = 209.7 MB (normal size)

    MacIntosh HD = 193.5 GB

    Boot Camp = 306.3 GB

    If you're saying that you wish to install a Windows program of 55 GB on the BC partition, it should be OK provided everything else is OK....

    Make sure you can boot to OS X and Windows 7 without problems before proceeding and doing anything else. If there are any problems at all, then it's best to do as bobtomay suggested.

    And, stay away from resizing the partitions using terminal. There are only two programs that I recommend for resizing: iPartition and Camp Tune. (which you have)

  10. #10


    Member Since
    Aug 25, 2008
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    Quote Originally Posted by chscag View Post
    It looks like your drive has been partitioned like this: (500.1 GB)

    EFI partition = 209.7 MB (normal size)

    MacIntosh HD = 193.5 GB

    Boot Camp = 306.3 GB

    If you're saying that you wish to install a Windows program of 55 GB on the BC partition, it should be OK provided everything else is OK....

    Make sure you can boot to OS X and Windows 7 without problems before proceeding and doing anything else. If there are any problems at all, then it's best to do as bobtomay suggested.

    And, stay away from resizing the partitions using terminal. There are only two programs that I recommend for resizing: iPartition and Camp Tune. (which you have)
    Here is my current status:

    Hardrive = 500.1 GB

    BOOTCAMP
    =
    Capacity: 306.3 GB
    Available: 236.8 GB
    Used: 69.52 GB

    Macintosh HD =
    Capacity: 193.5 GB
    Available: 10.6 GB
    Used: 21.5 GB

    I want to install a MAC program into the Macintosh HD partition, and that program comes with about 55 GB of content. That's why I've been working all this time to increase the size of my MAC partition. But the problem is even though the MAC partition is bigger now, it seems that only 32.1 GB is usable, and I'm currently using 21.5 GB. So what should I do so that all 193.5 GB of the partition can be used?

    I guess for now I'll try to boot up the OS X disk and try verify/repair. Thanks for the tip, bobtomay.

    But as for iPartition, is the demo enough to do the task I need? I already resized both partitions to the sizes I want. All I want now is to make all 193.5 GB on the MAC partition usable.

  11. #11

    chscag's Avatar
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    Specs:
    Late 2013 27" iMac, iPad 3, iPhone 6s+, iPhone 6+, 3 iPods, El Capitan

    Macintosh HD =
    Capacity: 193.5 GB
    Available: 10.6 GB
    Used: 21.5 GB

    The above indicates there is a problem with either the partition table or the partition boundary.

    First, reset the PRAM - NVRAM and then...

    Do as bobtomay suggested and wipe the drive clean, use Disk Utility to remove all partitions first, make sure the drive is a single partition, reinstall OS X and start over.

    Make sure you have a good backup before doing anything.

  12. #12


    Member Since
    Aug 25, 2008
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    I finally fixed the problem! Now I can finally use the MAC HD in its entirety. I solved the problem by booting from the MAC OS X disk and using disk utility to repair the disk.

    Everything is okay now. Thanks a lot, you guys, for taking the time to help me.

  13. #13

    chscag's Avatar
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    OK, glad to hear Disk Utility fixed it. Make sure though that all the partitions are reporting correctly. In other words, if your MacIntosh HD says it has 193.5 GB, add up the used space and remaining to make sure it totals 193.5 GB. What you showed us before was not correct.

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