Mac disk partitions

Im installing Gentoo on an old B&W G3 Mac which had
another distro on it.

According to mac-fdisk it appears to already have a boot
partition on it.
So can I skip the creation of a boot partition and use the
existing one?

Command (? for help): p
/dev/sda
        #                    type name                
length   base     ( size )  system
/dev/sda1     Apple_partition_map Apple                   
63 
1        ( 31.5k)  Partition map
/dev/sda2         Apple_Bootstrap untitled              
2048  64       (  1.0M)  NewWorld bootblock
/dev/sda3              Apple_Free Extra             
17847888  2112     (  8.5G)  Free space

Block size=512, Number of Blocks=17850000
DeviceType=0x0, DeviceId=0x0
Drivers-
1: 
64 for 23, type=0x1
2: 
118 for 36, type=0xffff


(Yes, this Mac has SCSI disks 


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A
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Hi

On Mon, Apr 30, 2007 at 03:36:29PM -0400, A. Khattri wrote:
> According to mac-fdisk it appears to already have a
boot partition on it.
> So can I skip the creation of a boot partition and use
the existing one?

> /dev/sda2         Apple_Bootstrap untitled             
 2048  64       (  1.0M)  NewWorld bootblock

This is the 800k bootstrap partition, used by yaboot alone
(at least
within Linux) and not to be formatted or mounted anywhere.
On PowerPC
machines, you shouldn't create a /boot partition. Read the
docs, please.

Greets,
Michael

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Gentoo Linux developer, http://hansmi.ch/, http://forkbomb.ch/

On Monday 30 April 2007 15:36:29 A. Khattri wrote:
> Im installing Gentoo on an old B&W G3 Mac which had
another distro on it.
>
> According to mac-fdisk it appears to already have a
boot partition on it.
> So can I skip the creation of a boot partition and use
the existing one?
>
> Command (? for help): p
> /dev/sda
>         #                    type name                
length   base     (
> size )  system /dev/sda1     Apple_partition_map Apple 
                 
> 63  1        ( 31.5k)  Partition map /dev/sda2        
Apple_Bootstrap
> untitled               2048  64       (  1.0M) 
NewWorld bootblock
> /dev/sda3              Apple_Free Extra             
17847888  2112     ( 
> 8.5G)  Free space
>
> Block size=512, Number of Blocks=17850000
> DeviceType=0x0, DeviceId=0x0
> Drivers-
> 1:  64 for 23, type=0x1
> 2:  118 for 36, type=0xffff
>
>
> (Yes, this Mac has SCSI disks 
>
>
> --
> A

Quick answer is yes.  Only problem is the system is somewhat
limited to be 
compiling everything.  That will take forever.  I would
suggest using a build 
system for  the packages or using a distro with the packages
compiled 
already.

David
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gentoo-ppc-usergentoo.org mailing list

On Mon, 30 Apr 2007, Michael Hanselmann wrote:

> This is the 800k bootstrap partition, used by yaboot
alone (at least
> within Linux) and not to be formatted or mounted
anywhere. On PowerPC
> machines, you shouldn't create a /boot partition. Read
the docs, please.

I figured it out but you really should go back and re-read
my post. I did
not mention /boot anywhere and YES I DID read the docs so
maybe you could
be a little less insulting next time?


From
gentoo.org mailing list

Hi!,

I've lost your first message so I don't know your specs but
here is my
experience:
1) the bootstrap partition can be used by more than one
distro, you
should place the various distro info in the yaboot.conf
before running
ybin (it only has the binaries to make the booting
process);
2) I have always used a /boot partition in PPC, either
OldWorld and
NewWorld but formatted as ext2 as yaboot cannot read ext3
(at least on
the version I have);
3) The several kernels, initrd and System.map for every
distribution
should be in /boot so it is better if you make it larger
than usual;
you choose the distro by specifying the root partition and
other
options (as listed in your yaboot.conf); in that root you
will
designate the various partitions (specific for each distro
or shared
by the distros)
4) copy the yaboot.conf to /boot everytime you run ybin to
help you
share the boot conf.


Hope it helps.
bye!
G.


2007/6/6, A. Khattri <ajaibway.net>:
> On Mon, 30 Apr 2007, Michael Hanselmann wrote:
>
> > This is the 800k bootstrap partition, used by
yaboot alone (at least
> > within Linux) and not to be formatted or mounted
anywhere. On PowerPC
> > machines, you shouldn't create a /boot partition.
Read the docs, please.
>
> I figured it out but you really should go back and
re-read my post. I did
> not mention /boot anywhere and YES I DID read the docs
so maybe you could
> be a little less insulting next time?
>
>
> From
> gentoo.org mailing list
>
>


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