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You are here: MacNN Forums > Software - Troubleshooting and Discussion > Mac OS X > Partitioning HD from OSX cd question

Partitioning HD from OSX cd question
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Mac Enthusiast
Join Date: May 2005
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Jan 25, 2007, 03:24 PM
 
I want to partition the drive of my iMAc so booted from the installer cd - opened disk utility - all good so far - can see that there is only one 'Macintosh HD' which is shaded grey. When I click on 2 partitions the name of my current drive dissapears and ~I get 'Untitled 1' and 'Untitled 2' .

Untiltled 1 is shaded as grey and Untitled 2 as white.

My question if I give it the go ahead to create two partitions WILL ONE OF THEM REMAIN MY CURRENT HD?

What do I need to do in order to preserve my current Macintosh HD and partition off about 80GB of my 500GB drive.

Many Thanks
     
Baninated
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Jan 25, 2007, 03:38 PM
 
I do not believe you can repartition from the os x install disc and still preserve your drive's data.
     
Posting Junkie
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Jan 26, 2007, 04:40 AM
 
There are commercial tools available to do live repartitioning. I don't know of any free and simple tools to do this with an HFS+ volume on OS X.

The alternative is to use Apple Software Restore (in DiskUtility.app) to clone your main drive to another drive, repartition your main drive and then use ASR to clone back from the secondary drive to your main drive.
     
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Jan 26, 2007, 11:28 AM
 
Since you have an Intel iMac, you can use the Boot Camp Utility to do a live partitioning of your drive. When it's done partitioning the drive, instead of installing Windows, just reformat the new partition as HFS+.
Vandelay Industries
     
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Jan 26, 2007, 04:45 PM
 
Since you have an Intel iMac, you can use the Boot Camp Utility to do a live partitioning of your drive. When it's done partitioning the drive, instead of installing Windows, just reformat the new partition as HFS+.
Thank you. Would you mind telling me exactly what I should do?
     
Baninated
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Jan 28, 2007, 04:19 AM
 
Originally Posted by jbleisure View Post
Thank you. Would you mind telling me exactly what I should do?
i can.

Google
     
Posting Junkie
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Jan 28, 2007, 06:07 AM
 
Originally Posted by jbleisure View Post
Thank you. Would you mind telling me exactly what I should do?
Download the Bootcamp PB from Apple.

Follow all the instructions up to the point where you get to create a Windows partition.

Once it has been created, start DiskUtility, select the Windows partition and format it as "Mac OS Extended (Journaled)".

Report back and let us know how it worked out.
     
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Jan 29, 2007, 04:45 AM
 
Report back and let us know how it worked out.
Thanks - I'm back in the office tomorrow and I will let you know.
     
Baninated
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Jan 29, 2007, 10:54 AM
 
i wish boot camp was a UB, so us ppc folks could repartition without erasing the data.

of course, i only mean the actual setup assistant
(Last edited by kick52; Jan 29, 2007 at 11:09 AM. )
     
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Jan 29, 2007, 11:27 AM
 
Originally Posted by kick52 View Post
i wish boot camp was a UB, so us ppc folks could repartition without erasing the data.
You can do it with diskutil in the Terminal. You should be able to find instructions on how to do it exactly online.
Vandelay Industries
     
   
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