Size of metadate?

[Nico -telmich- Schottelius]

Arne W�rner [Wed, Jun 27, 2007 at 12:57:45AM -0700]:
> > >   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?
> > 
> Ohoh...
> 
> It skips block from the input device...
> But it will not seek in the output device...

Hmpf, that's why seek= was mentioned...

> SO: TERMINATE IT!!! :-))

Too late.

> Or ur first sector on amrd0 will be destroyed FOREVER...!

So, any hints on how to recover the first 512 bytes for me?

Btw, I just repeated it with the seek= and it worked!

Now I've just to restore the mbr 

   a) is there somewhere a copy in memory?
   B) redoing it shouldn't be a big problem, as the layout was written
   down :-)

Nico

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

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