8.3-BETA1 installation problem

[Omer Faruk SEN]

Already done that but still habe the same issue. I can dd and sysctl but
after installing without using W at disk label screen still no luck. I have
also done
sysctl kern.geom.debugflags=16 on fixit and restarted installation but
still getting the same error.


On Thu, Feb 23, 2012 at 1:27 AM, Michael Powell <nightrecon at hotmail.com>wrote:

> Warren Block wrote:
>
> > On Wed, 22 Feb 2012, Omer Faruk SEN wrote:
> >
> >> I am trying to install FreeBSD 8.3-BETA1 to a system with ssd disk
> >> recognized as ad6. At fixit mode i can dd device but at installer
> >> (sysinstall) when I configured disk and using "w" installer is unable to
> >> format devices stating that
> >>
> >> "Unable to find device node for /dev/ad6s1b in dev. The creation of file
> >> systems will be aborted"
> >>
> >> any suggestion on what may be the reason for that or is it a bug on
> >> installer
> >
> > Using "W"rite is one of the causes for that.  Don't Write, just choose
> > Quit after making selections.
> >
> > (There are other causes, like old partitioning information on the disk.
> > Removing that with gpart destroy or just dd-ing zeros over it is the
> > cure in that case.)
>
> If you need to clear the old MBR the "old way", use a LiveFS or Fixit shell
> and do this (as root):
>
> sysctl kern.geom.debugflags=16  and:
>
> dd if=/dev/zero of=/dev/adx oseek=1 bs=512 count=1
>
> where x equals your drive number. This will zero out any old MBR.
>
> A time or two when I've seen this error this fixed it up and the install
> proceeds as normal. As Warren said before, don't use the "W", just Q and
> sysinstall will queue and issue all the commands at a later point.
>
> -Mike
>
>
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