Size of metadate?

[Nico -telmich- Schottelius]

Arne W�rner [Tue, Jun 26, 2007 at 11:13:57PM -0700]:
> --- Nico -telmich- Schottelius <nico-freebsd-geom at schottelius.org> wrote:
> > ddna045# dd of=/dev/amrd0 if=/dev/zero bs=512 skip=286746623 count=1
> > dd: /dev/amrd0: Operation not permitted
> > 
> I do not know, why this doesnt work...
> 
> Is it possible, that amrd0 (or a partition/slice of it) is mounted somewhere?

Yes:

ddna045# mount
/dev/amrd0s1a on / (ufs, local)


> [...]
> U could try the same dd command with sysctl kern.geom.debugflags set to 16:
>   sysctl kern.geom.debugflags=16
>   dd of=/dev/amrd0 if=/dev/zero bs=512 skip=286746623 count=1
> [...]

I am currently trying that: top reports that dd now uses 99% cpu and it
is running for about 3 minutes.

I am wondering how long this may run?

Nico

-- 
Think about Free and Open Source Software (FOSS).
http://nico.schottelius.org/documentations/foss/the-term-foss/

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