Thanks, that seems like it will work perfectly.  Do you know if I can
boot a root device on say /dev/ufs/root?

tunefs -L root /dev/da0a

then in my fstab:
   /dev/ufs/root      /       ufs     rw       1       1

Also, what is the difference between dong 'glabel lable -v root' and
'tunefs -L root'?  It appears from the man page that one creates a
/dev/label/root and the other creates a /dev/ufs/root. 

Where can I learn more about /dev/label and /dev/ufs?  Thanks again.

Michael Grant 


On Mon, Nov 29, 2004 at 01:39:58PM +0100, Andrea Campi wrote:
> On Mon, Nov 29, 2004 at 07:21:00AM -0500, Michael Grant wrote:
> > Has anyone thought about this problem?  Is there some spare space in
> > the label that could be used for a device name that, if set, could
> > be used in place of (or an alias for) a name like da0?
> 
> GEOM_LABEL is what you're looking for. Check the glabel(8) man
> page. In a nutshell, you'd do this:
> 
> tunefs -L log /dev/ad1s1a
> tunefs -L db /dev/da4s1a
> tunefs -L www /dev/da4s1a
> ...
> 
> mount /dev/ufs/log /mnt/log
> mount /dev/ufs/db /mnt/db
> mount /dev/ufs/www /mnt/www
> 
> (you get the idea). Obviously you can move use the /dev/ufs/*
> devices in fstab as well.
> 
> If later on you move the filesystems to a different device while
> retaining the label (which means no tar, you have to use dd or
> dump/restore), everything works.
> 
> Hope it helps. Bye,
>       Andrea
> 
> -- 
>             Give a man a fish and you feed him for a day;
>      teach him to use the Net and he won't bother you for weeks.
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