Mailinglist Archive: opensuse (1558 mails)

[Hans de Faber <hans.defaber@xxxxxxxxx>]

Clayton schreef:
> > > I've been puzzling over this one for a while now.... not quite sure
> > > how or why openSUSE is seeing my hard drives in a different order
> > > than the BIOS and the physical connections are laid out.
> > >
> > > ...
> > Don't fight what you can't control. Mount volumes by UID or volume label
> > and move on to the next problem.
>
> :-)  Normally, this is not a concern, and mount by UID works
> perfectly... well... it still works fine in this case too, but I
> stumbled on a minor hiccup so to speak that could possibly trip up new
> users... and old timers too.
>
> I installed a new drive.  With all that space I decided to install
> Ubuntu Kooky Koala or whatever it's called, and also openSUSE 11.2 m6.
>  They merrily installed (I used all defaults during the install
> process)... both installs saw the existing 11.1 install and offered to
> add it to GRUB.  On reboot though, I get the 11.2 GRUB menu which only
> has 11.2 and 11.1 in the menu... no Ubuntu Koalas.  If I pull the old
> drive out, then Ubuntu boots fine.  Put it back in... and the Koala is
> hiding.  OK, I can deal with this as it's just Ubuntu putting it's
> boot bit on the wrong drive - the hard part is guessing which drive
> the MBR is hiding on.

Does your BIOS have a selection "Disk boot order" ?

> Oddly, if I select to boot 11.1 in the 11.2 GRUB, it hands off too...
> the 11.1 GRUB, and I have to select 11.1 a second time in a second
> GRUB menu.  Messy :-(
>
> One interesting thing through all this is how robust and persistent
> the boot sector is... and I'm not exactly sure why or how it works...
> no matter the physical configuration... swapping the SATA drive
> connections around at random seems to have no effect on booting Linux.
>  No matter the drive order, 11.1 would still boot (this was before I
> started installing other OSes).  Some configurations show an error
> hd(0,0) not found, but it still boots.  I thought that was rather
> interesting.
>
> So.... this is what lead me to start poking at the drives, the
> physical order vs the order Linux sees them... and trying to find the
> "easy" way around this.  In the end I want a single GRUB with all
> installed OSes.  I can probably get there myself, but...
>
> It used to be you had to have the right info in the MBR of the first
> drive to be able to boot your OS.  Is this still the case?  If ti
> is... which drive is the first drive now?  If I shuffle the physical
> connections, things still boot up... so I'm a bit puzzled. :-P
>
> C.

-- 
To unsubscribe, e-mail: opensuse+unsubscribe@xxxxxxxxxxxx
For additional commands, e-mail: opensuse+help@xxxxxxxxxxxx