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Macbook Pro: Multiple Partitions?

MeiteronMeiteron Registered User regular
I'm using the first model of the Unibody MacBook Pro, running Snow Leopard, for personal use at the moment. Currently, I have it split up into two partitions with Boot Camp: 150gigs for the Mac side and 100gigs for the Windows side, which was running XP until getting upgraded to 7 a few months ago.

Unfortunately 7 isn't playing nice with some important programs which are randomly doing horrible things to/with my video drivers (a different question, and probably too obscure to get help with here). Everything else I do on my Windows side works well enough to make 7 worth keeping, but I'd like to get XP back on in some fashion so that I can use the programs without dealing with crashes at random times.

In an ideal world I'd take my Mac partition, chop off 30 gigs, turn it into a third partition and install XP on it. A bit of time on Google has given me some contradictory information and most of it deals with making 3 partitions with either a fresh laptop or one that's been reformatted, something I'd prefer to avoid. So I guess the questions are:

-Is it possible to make a third partition with 2 partitions already in use? I'd consider reinstalling everything if I really have to but that's a lot of time sunk, and my track record getting windows installed isn't fantastic.
-How does one go about it? Can I do it from within Snow Leopard? Do I need something third-party to do it properly?
-Anyone have experience with computers running 1mac and 2windows partitions? Any obscure problems that arise?

Meiteron on

Posts

  • corcorigancorcorigan Registered User regular
    edited March 2010
    You might be able to resize the OS X partition using Disk Utility in OS X.

    corcorigan on
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  • RBachRBach Registered User regular
    edited March 2010
    corcorigan wrote: »
    You might be able to resize the OS X partition using Disk Utility in OS X.

    This should work.

    RBach on
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  • ÄlphämönkëyÄlphämönkëy Registered User regular
    edited March 2010
    I run XP, Win 7, Ubuntu, OS X, and FreeBSD on my Macbook Pro.

    I used the built in Disk Utility to resize the partitions. There are two pieces of advice that I have:
    • Figure out your partitions up front
    • Create several free space partitions, and then let the OS install mark things up accordingly
    • I'd recommend a backup unless you are feeling confident, I had no problems FWIW
    • Linux Swap partitions can not be removed by Disk Utility once they are made
    • Use rEFIt to choose between the three operating systems.

    Älphämönkëy on
  • Evil_ReaverEvil_Reaver Registered User regular
    edited March 2010
    My setup at work is similar to alpha's. I'm running OS X, Windows 7, Windows Vista, and Windows XP all on the same disk.

    Basically:

    1. Back everything up.
    2. Pop in your OS X reinstall disk.
    3. Use Disk Utility to create as many partitions as you need.
    4. Install OS X.
    5. Download and install rEFIt in OS X.
    6. Install XP.
    7. Install 7.

    It's not that hard to do but it takes a lot of time since you're installing more than one OS.

    Here's a tutorial on how to install more than two OSes on your Mac (link).

    Evil_Reaver on
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  • TrentusTrentus Registered User regular
    edited March 2010
    You should be able to non destructively resize your OSX partition by using the disk utility from the command line (have a look in the man pages, but from memory it's something like diskutil resizeVolume blah blah blah... there's probably a few examples online somewhere too). Then as the other dudes said, use refit, etc etc.

    Trentus on
  • RBachRBach Registered User regular
    edited March 2010
    You should be able to resize it from the Disk Utility GUI, too. No command line necessary.

    RBach on
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