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  1. #1
    Deleting a partition

    Member Since
    May 18, 2007
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    Question Deleting a partition
    Okay, well, about a month ago I used a diskutil command I found to resize my main partition and create a partition for the windows OS. Well, I tried to resize the windows partition to a smaller size - say a few GB until I get a larger external HD. I couldn't resize it due to being unable to do so with FAT partitions.

    Now I just want to delete this partition and make my os x partition the full size again. How can I do this??

    thanks

  2. #2
    Deleting a partition

    Member Since
    May 18, 2007
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    Does ANYBODY know? ANY HELP AT ALL?

  3. #3
    Deleting a partition
    nMiller92's Avatar
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    Either one of two things. Either back up your important files and do a clean install or try the diskutil mergePartitions tool.

    Just run "diskutil mergePartitions" as root and diskutil will explain in detail how to use it. This will allow you to give all the space back to "Macintosh HD".
    "Rights belong to the individual, not groups of those concerned."

    "Yeah, you believe it. But I'm going to say why it's dumb." - Bill Maher

  4. #4
    Deleting a partition

    Member Since
    May 18, 2007
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    Is there no other way; I wanted to avoid losing my data. I just recently did a clean install, and it was a pain backing everything up. Kind of.

  5. #5
    Deleting a partition
    NPuter's Avatar
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    Miami, Fl
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    15" 2.2GHz Santa Rosa Macbook Pro - 4GB Ram - 120GB HD OS X Leopard - Windows XP
    are you running Tiger or Leopard

    "The forums are not only a place to have questions answered, they are a place to be part of a community..."

  6. #6
    Deleting a partition

    Member Since
    May 18, 2007
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    I am running Tiger.

  7. #7
    Deleting a partition
    nMiller92's Avatar
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    Quote Originally Posted by xsx- View Post
    Is there no other way; I wanted to avoid losing my data. I just recently did a clean install, and it was a pain backing everything up. Kind of.
    "diskutil mergePartitions" won't harm any of your data.
    "Rights belong to the individual, not groups of those concerned."

    "Yeah, you believe it. But I'm going to say why it's dumb." - Bill Maher

  8. #8
    Deleting a partition

    Member Since
    May 18, 2007
    Posts
    42
    Really? Are you sure

    Usage: diskutil mergePartitions <format> <name> [Disk Identifier|Device Node]
    [Disk Identifier|Device Node]
    Merge partitions on a disk. All data on merged partitions will be lost.
    Merged partitions are required to be ordered sequentially.
    Ownership of the affected disk is required.
    Format is the specific filesystem name you want to erase it as. (HFS+, etc.)
    Name is the name of the final filesystem created.
    The first device node is the start partition. Merging will start with this
    partition. The second device node is the finish partition. Merging will
    finish with this partition.
    You cannot merge partitions on the boot disk.
    Example: diskutil mergePartitions HFS+ NewName disk3s4 disk3s7
    Note: This will merge all partitions *BETWEEN* disk3s4 and disk3s7!
    This will destroy the data on disk3s4, disk3s5, disk3s6, disk3s7 and
    any invisible free space partitions between those disks.

  9. #9
    Deleting a partition
    nMiller92's Avatar
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    Black Macbook, 1gb RAM
    Quote Originally Posted by xsx- View Post
    Really? Are you sure
    It's saying that the MERGED partitions will be formatted. Not the target partition which will regain size. You're also missing the big "*BETWEEN*" down there...

    Maybe it's because you have a Tiger version. I'm running Leopard, so perhaps Apple changed the way mergePartitions works. If you don't want to use it, fine, but I used it and I'm still alive to tell the tale. So now your only options look like clean install (which isn't a big deal if you have an external hd...) or to try and find a different tool you think will work.

    This is what I got:
    -------------
    macbook:~ nick$ diskutil mergePartitions
    Disk Utility Tool
    Usage: diskutil mergePartitions [force] format name
    DiskIdentifier|DeviceNode DiskIdentifier|DeviceNode
    Merge two or more pre-existing partitions into one. The first disk parameter
    is the starting partition; the second disk parameter is the ending partition;
    this given range of two or more partitions will be merged into one. Both disk
    parameters must of course be on the same whole-disk.
    All data on merged partitions other than the first will be lost.
    The first will be erased if it doesn't have a resizable type (e.g. JHFS+)
    or if the "force" argument is given.
    Merged partitions are required to be ordered sequentially on disk
    (see diskutil list for the actual on-disk ordering).
    Ownership of the affected disk is required.
    The Format parameter is the specific filesystem name you want to erase it as
    (e.g. HFS+, etc.). The Name parameter is the name of the final volume created.
    Format and Name are ignored if the first partition is resizable.
    Example: diskutil mergePartitions HFS+ NewName disk3s4 disk3s7
    Note: This will merge all partitions *BETWEEN* disk3s4 and disk3s7!
    This will destroy the data on disk3s5, disk3s6, disk3s7 and
    any invisible free space partitions between those disks.
    disk3s4 will be resized to cover the full space if possible.

    ---------------
    "Rights belong to the individual, not groups of those concerned."

    "Yeah, you believe it. But I'm going to say why it's dumb." - Bill Maher

  10. #10
    Deleting a partition

    Member Since
    May 18, 2007
    Posts
    42
    I guess it changed in Leopard. Guess I'll clean install when I get my external HD.

    Thanks for the help!

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