recovering data from this disk

[Henrik Hudson]

On Fri, 04 Dec 2009, Tom Worster wrote:

> any suggestions how to recover data from either of the mirrored disks that i
> can't get to boot? the situation is described below.

If they were indeed mirrored then try a FreeBSD live distro boot CD
and boot into that then just mount one of the disk partitions that
you need.

Henrik


> 
> (i'm assuming, given the silence on this, that making the system work after
> the freebsd-update is a lost cause.)
> 
> 
> On 12/3/09 11:14 AM, "Tom Worster" <fsb at thefsb.org> wrote:
> 
> > after running freebsd-update -r 8.0-RELEASE upgrade my system won't boot. it
> > gets stuck on mountroot and i can't find the magic word it wants.
> > 
> > the system used to have two sata drives /dev/ad4 and ad6. they were
> > partitioned and sliced using the deafaults that sysinstall suggested.
> > 
> > at the boot prompt, lsdev says:
> > 
> > disk devices
> >   disk0: BIOS drive C:
> >     disk0s1a: FFS
> >     disk0s1b: swap
> >     disk0s1d: FFS
> >     disk0s1e: FFS
> >     disk0s1f: FFS
> >    disk1: BIOS drive D:
> >     disk1s1a: FFS
> >     disk1s1b: swap
> >     disk1s1d: FFS
> >     disk1s1e: FFS
> >     disk1s1f: FFS
> > 
> > which looks right, although i'm not familiar with the "disk" nomenclature.
> > 
> > entering ? at mountroot mentions ad4 and ad6.
> > 
> > geom_mirror was being used.
> > 
> > i've tried saying "load geom_mirror" and/or "enable-module geom_mirror" at the
> > boot prompt. neither made any difference.
> > 
> > nothing i've said to mountroot works:
> > 
> > ufs:/dev/ad4s1a
> > ufs:/dev/ad6s1a
> > ufs:/dev/mirror/gm0s1a
> > ufs:/dev/disk0s1a
> > ufs:/dev/disk1s1a
> > 
> > does anyone know the magic word? i'd be very grateful.
> > 
> > tom
> 
> 
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-- 
Henrik Hudson
lists at rhavenn.net
-----------------------------------------
"God, root, what is difference?" Pitr; UF