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You are here: MacNN Forums > Hardware - Troubleshooting and Discussion > Consumer Hardware & Components > No booting from second partition

No booting from second partition
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Mac Elite
Join Date: Feb 2001
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Feb 25, 2001, 06:30 PM
 
I've swapped my 4GB hard disk for a 20 GB.
Made 2 partitions.
My iMac 233MHz (rev A) doesn't want to boot from the second partition.
First partition = 14.64 GB
Second part. = 4 GB

I cannot find any info about partitions, if they have to be the same size, or why it doesn't want to boot.
Even with the first completely clean, and the second only MacOS on it.

Any help will be appreciated, thanks.
     
Junior Member
Join Date: Apr 1999
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Feb 25, 2001, 07:01 PM
 
The new HD would have to be (re)-formatted with Apple's Drive Setup software. You'd have to boot from a full OS 9.0.x CD, wipe the drive, and use Drive Setup. I'm not a fan of swapping out the OEM drives on these early iMacs personally, but after using Drive Setup it should be possible to properly install OS9 on both partitions (I've done so). If this works correctly the Startup Disk Control panel will indicate that either partition is bootable. Conflict Catcher 8.0.8 can't do this under 9.0.4--9.1, you must use Startup Disk.
Mac evangelist since 1986
     
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Feb 25, 2001, 08:22 PM
 
This may help you with some partitioning info. http://til.info.apple.com/techinfo.nsf/artnum/N25249
     
Mac Elite
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Feb 26, 2001, 04:08 AM
 
I have used the original MacOS 9-cd and used Drive Setup from the Utilities folder.

The 15 GB partition works fine, so that's not really the problem, the 4 GB works fine as well, except it doesn't want to boot from that.

The second posting directs a bit in the right way, but this T.I.L. writes about not booting at all, which is not the problem.

Thanks anyway!
     
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Feb 27, 2001, 02:06 PM
 
I'm not sure I understand. You have a System Folder on each partition on the same drive? Last I looked, only one partition is "blessed" at once on any particular drive. This makes sense, because the main use of a backup system folder on another volume is to handle the situation when your disk drive, not volume, goes belly up. The two volumes involved should be on different hardware.

If you're trying to set up the machine for two users, where each user gets her own partition, this may not be the best way to do it.

[This message has been edited by denim (edited 02-27-2001).]
Is this a good place for an argument?
Peace on Earth, Good Will Toward Me
     
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Feb 27, 2001, 09:53 PM
 
I believe that in order to be bootable, a system must be in the first 8 gigs of the hard drive. In that case you must make the small partition the first partition. You should then be able to install a system on each and boot from either.

Frytz
     
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Feb 27, 2001, 09:55 PM
 
I believe that in order to be bootable, a system must be in the first 8 gigs of the hard drive. In that case you must make the small partition the first partition. You should then be able to install a system on each and boot from either.

Frytz
     
Clinically Insane
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Feb 28, 2001, 04:13 AM
 
Originally posted by denim:
I'm not sure I understand. You have a System Folder on each partition on the same drive? Last I looked, only one partition is "blessed" at once on any particular drive. This makes sense, because the main use of a backup system folder on another volume is to handle the situation when your disk drive, not volume, goes belly up. The two volumes involved should be on different hardware.

If you're trying to set up the machine for two users, where each user gets her own partition, this may not be the best way to do it.

[This message has been edited by denim (edited 02-27-2001).]
Not true. I have my 10 gig drive partitioned into 5 gig blocks. I have a System on each. 9.1 on one, and 9.04 and OSX on another (not for Classic use).
I can boot from any. Make sure the system is blessed - grab the System file from the System Folder, drag it to the desktop, then move it back. The icons within the System Folder should get their 'special' icons and now try designating that drive as the startup disk via the System Disk control panel.
Then boot from it.

Oh, and the 8 gig rule I believe is only on older computers, OWR I think.

Cipher13
     
Mac Elite
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Mar 2, 2001, 06:43 AM
 
Well, it still is a strange problem. Concerning the socalled "blessing" of the system folder: the icons all have their special icons, in the control panel I can select both disks as start up volumes, but the screen remains blue/grey and the only solution is resetting the mac.

Calling Apple Support Netherlands results in answers as "Yes, you can add an extra harddisk in your mac."
Me: "It's an iMac."
They: "So?"
Me: "Where do you want to put it?"
They: "O, isn't that possible? I thought in one of your pci-slots"
Me: "It's an iMac" and then start crying again...
     
Mac Elite
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Mar 2, 2001, 06:46 AM
 
What I actually want to say is that this help desk often does not know what they are talking about, but maybe I give it a chance again (just have to wait for half an hour listening to stupid music, while paying for the phone...grrr
     
   
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