formating a disk

[Albert Shih]

 Le 31/03/2006 à 06:34:16+0200, Albert Shih a écrit
>  Le 30/03/2006  20:19:17-0500, Jerry McAllister a écrit
> > > 
> > 
> > I wonder what exactly you mean by 'format'.
> > We don't tend to use that word to mean making slices (fdisk), 
> > partitions (disklabel/bsdlabel) or file systems (newfs).
> > 
> > Usually format refers to something done at the very low leval of
> > the drive and is normally only done at the manufacturer nowdays.
> > I expect you mean one or more of the others, but cannot say.
> > 
> > But, anyway, that is what you need to do - in that order.  
> >   fdisk,  disk/abel/bsdlabel,  newfs
> > 
> > So, try and explain what you have done using these utilities if
> > you have and if you haven't, then check them out and see if
> > that helps.   If you really did a "format" under XP, then I think
> > you can just start over with fdisk, but I haven't tried that on
> > a hard disk much less a firewire device.
> 
> First I try to edit the slice with fdisk but when he need to write I've 
> got
> 
> Information from DOS bootblock is:
> 1: sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD)
>     start 63, size 156296322 (76316 Meg), flag 80 (active)
>         beg: cyl 1/ head 1/ sector 1;
>         end: cyl 512/ head 254/ sector 63
> 2: <UNUSED>
> 3: <UNUSED>
> 4: <UNUSED>
> Should we write new partition table? [n] y
> fdisk: Geom not found
> [root at freebsd1 rc.d]#
> 
> What's that mean ?
> How can I fix that ?
> 
I answer to myself


After

	dd if=/dev/zero of=/dev/da0 bs=1k count=100

it's ... not working but after

	dd if=/dev/zero of=/dev/da0 bs=1k count=100000

everything work fine.

Thanks.


--
Albert SHIH
Universite de Paris 7 (Denis DIDEROT)
U.F.R. de Mathematiques.
7 ième étage, plateau D, bureau 10
Heure local/Local time:
Fri Mar 31 21:41:04 CEST 2006