Re: ibook + USB hard drive = yaboot failure
yes, using ybin, according to "man bootstrap" (man page is not
always best in linix, but here it is, very good actually)
and also might
consider reformatting just the yaboot partition, with parted before
reinstalling yaboot with ybin (rather than the whole disk).
caution: the write map command in parted would erase the entire
partition table, thus loosing your install. parted writes whatever
you do, unlike mac-fdisk which only writes with the "w" command.
but if you are careful you should be able to do all this inside your installation.
i think what Mr CS was describing was the partition map. that is usually
followed by a bunch of device drivers, then the small 0.8-1.0MB yaboot
partition - which often seems to be called the first partition, even though
it is hda9 on my disk
what did you use to partition in the (very) first place ? was it a current
(aka usb2. aware) tool ? IMHO the only way system restore
would help
is if something is wrong on your macosintall. in which case maybe
better use parted to also split your linix root for a macos backup partition !!
if you look at your disk in linix with parted or
mac-fdisk, or both, what do the partition maps look like. are all
the labels consistent, with each other as well as the description
from the "man bootstrap" command ?
Michael Hrivnak <mhrivnak@hrivnak.org> wrote: Thanks for the advice. For the time, I am travelling all summer and will be
without my apple rescue disk for another month or so. Is there another way
to "bless" the Apple partition?
In the mean time, I'm trying to get my synaptics touchpad detected and the
2.6.15-1-powerpc kernel booted. Stand by for more potential questions....
Thanks,
Michael
On
Wednesday 12 July 2006 07:56 am, Chasecreek Systemhouse wrote:
> [Grrr .. sorry for following-up my own post]
>
> On 7/12/06, Chasecreek Systemhouse wrote:
> > 2) Some boot managers expect it to be separate and formated as ext2
> > (as opposed to ext3) -- however these days yaboot can see the boot
> > software even inside / when formated at ext3.
> >
> > On PowerPC (read Apple) hard drives it must be formated as HFSl on
> > Ultrasparcs it must be formated as a recognized SUN Disk Label (which
> > I give again, as an example.)
>
> This is the way the drive *must* be laid out before the OpenFirmware
> Boot manager will "see" it (I list it the way I know it will always
> work for *me* but YMMV because while I have used various types of
> 'linux' on a couple hundred Macs I realise that there can still be
> "gotchas" floating
around, and people's experience levels vary a great
> deal) -
>
> /dev/[hs]d?1 -- Apple Disk Label as created by the Apple Disk
> Formatter; it is usually ~32KB in size...
>
> /dev/[hs]d?2 -- Linux OpenBoot Partition, must be formatted 1MB and be
> created as HFS not HFS+ or ext2/3.
>
> Beyond those two required partitions I don't see any issues with
> laying out the disk anyway you want; but those two are not negotiable.
>
>
> This advice falls under the "Works for me" category =)
> --
> WC (Bill) Jones -- http://youve-reached-the.endoftheinternet.org/
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