Do both OSX AND YDL need to be in 8GB for old Macs?

[David C. Hacker, DVM]

I done the same thing.  I put a 120 GB disk in my iMac 333.  I went 
through several installs before I got it right.  What I ended up doing 
was booting from the OS X installer disk.  I zeroed out the whole disk. 
  Then I made a 4mb HFS partition first, for where I will make my 
bootstrap in YDL installer.  (That was the smallest it would allow me 
to make due to disk size)  Next I made a 5.5 GB HFS+ w/ journaling 
partiton for OS X.  (I made it less than 6 GB because if an portion of 
the first partitons goes over 8GB it won't be recognized)  Then I made 
2 GB HFS partiton for YDL root, which you can select in disk druid and 
convert to ext3 and make the mount point /)  Then you can make your 100 
GB Mac Data partiton as HFS+ or whatever you want.  Then make free 
space out of the rest of the drive, or you can make your other 
partitions as HFS and then change them to ext3 in disk druid.  Be sure 
to lock each partition as you make it so that the disk utility in OS X 
won't move them around on you.  Then click format and do your OS X 
install.
Next boot up the YDL install CD.  Use Disk Druid and convert the 2 GB 
to EXT3 and make the mount point /.  Change the first HFS partition to 
your bootstrap and so on for your other partitons.  Let me know if you 
need more help.

David C. Hacker, DVM
212 N 1st St #2
New Salem, ND 58563
(701) 843-8179
On May 11, 2004, at 2:42 AM, Martin Jacobson wrote:

> David C. Hacker, DVM wrote:
>> I think the problem will come when you try to boot OS X from yaboot. 
>> Yaboot uses Open Firmware and it will only boot partitions in the 
>> first 8 GB of the disk on Old macs like the first generation iMac and 
>> beige G3's.
>> Here is what my partition map looks like:
>> /dev/hda 1-6 apple partition map and drivers
>> /dev/hda7 apple_bootstrap 1MB
>> /dev/hda8 Mac OS X 6 GB
>> /dev/hda9 YDL root / 1.5 GB
> etc... <snipped>
>
> I am also having problems of this ilk. I bought a 160GB disk for my 
> revB iMac, and have been unable to partition the d*mn thing so I can 
> get yaboot to work. Autopartition & Diskdruid both refuse to put the 
> Apple_Boot partition where it needs to go, and using pdisk seems to 
> make the installer crash once I've written the partition table back...
> What I want is something like this:
>
> device     from    to   size  for
> hda1-6       0GB    0GB       partition map & drivers
> hda7         0GB    0GB   1MB Apple_Boot
> hda8         0GB    6GB   6GB Mac OSX
> hda9         6GB    8GB   2GB Linux /
> hda10        8GB  128GB 100GB Mac Data
> hda11      128GB  128GB 384MB Linux swap
> hda12      129GB  133GB   5GB Linux /usr
> hda13      133GB  *end* >20GB Linux /home
>
> In other words, I want to use as much of the first 128GB for MacOSX, 
> as it can't 'see' the rest of the disk, leaving that for Linux, which 
> can.
>
> This looks a lot like your suggestion, so, any hints as to how to make 
> it work?
>
> TIA
> Martin
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