Reclaim hard drive space

Wed Jul 10 17:12:01 2002

	You could use pdisk to modify the partition type from whatever it 
is to Apple_HFS, save the partition map and reboot into Mac OS. For this 
you're most  probably going to need a Mac OS boot CD if you also mess 
with the boot loader's partition (but since it is so small, why bother 
with that one?). The system will recognize the new partitions but will 
also claim it cannot read them and this will give you the chance of 
converting them back to HFS or HFS+. But you have to notice two things 
here: once you change the partitions type you wont be able to boot back 
into Linux, you'd need a bootable Linux CD to change them back again if 
you ever change your mind before erasing everything in Mac OS. This 
reveals itself as a problem, since (as far as I know) the YellowDog 
install CDs don't have pdisk in them (the LinuxPPC Q4 install CD does).

	The second thing you have to notice is that the result from the Mac 
OS point of view will be a desktop full of disks, since every partition 
you change to Apple_HFS will be seen as a different disk by the system. 
There is no way if returning to a single disk in the desktop (that is, 
having only one usable partition)without reformatting the drive from a 
Mac OS bootable CD.

	Sorry if the last explanation sounds like I'm questioning your 
intelligence, but the title "reclaim hard drive space" sounded to me as 
if you wanted to go back to the one disk/one partition scheme.

	That's what I make of it, those are the obstacles I see for what 
you want to achieve. Needless to say, the best way around is the 
unfortunate reformatting of the drive. You'd have to see if you can 
afford the loss of the data in it or the loss of time backing up and 
reinstalling everything.

	Regards,...

		Juan.

On Wednesday, July 10, 2002, at 06:46  PM, Phil Howes wrote:

> Hello all,
>
> I'm using YD 2.2 on my powerbook G3, on a second partition to Mac OS 9 
> (No
> OSX) and I wanted to reclaim that second partition back to HFS+ as I 
> have
> very limited space on my powerbook. I want just one HFS+ partion with 
> Mac OS
> 9 without having to reformat my whole disk. I have aquired an old mac 
> from
> work so I'm going to put YD 2.3 on that, and have that for all things 
> Linux.
> Do I need to use Pdisk?
>
> Thanks in advance.
>
> Phil.
>
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