Re: Pb with added disk (pciide) becoming wd0

[David Brownlee <abs%absd.org@localhost>]

On Thu, 12 Nov 2020 at 15:12, <tlaronde%polynum.com@localhost> wrote:
>
> On Thu, Nov 12, 2020 at 02:26:47PM +0000, David Brownlee wrote:
> > On Thu, 12 Nov 2020 at 13:42, <tlaronde%polynum.com@localhost> wrote:
> > >
> > > Hello,
> > >
> > > I have some IDE disks that I'd like to read in order to know what is
> > > left on them before deciding what to do with them.
> > >
> > > I bought a PCI-E IDE adapter to be able to connect them, since my AMD64
> > > is SATA.
> > >
> > > The problem is that the pciide connected disks appear first hence, after
> > > successful boot by the bios with loading of the correct kernel from the
> > > correct disk, the supplementary disk becomes wd0 and conflicts with my
> > > fstab.
> > >
> > > My two "permanent" disks are still disklabel'ed (no GPT).
> > >
> > > Is there a way to give identifiers to the "permanent" disks, in fstab,
> > > so that whatever I add, the system can identify unambiguously the disks
> > > in fstab?
> > >
> > > Or do I have to resort to recompiling the kernel with explicitely
> > > setting the devices in the conf?
> >
> > For disklabel, ROOT is your friend (see fstab(5)).
> >
> >     If the first field starts with the prefix ?ROOT.? the prefix is replaced
> >     with ?/dev/[root_device]?, where [root_device] is the value of the
> >     ?kern.root_device? sysctl.
> >
> > So update fstab to start ROOTa instead of /dev/wd0a (similarly for any
> > other filesystems on that same disk).
>
> Precision: I'm still on 8.0 and I think ROOT is available with 9.0...
>
> I will go for now with a recompilation of the kernel and locators.

Ah - or "boot -s" then manually "mount /dev/wd2a /" & exit?