sysinstall won't write fs to new disk, bad magic number

[Lowell Gilbert]

Oliver Iberien <oliver-mailinglist at charter.net> writes:

> On Wednesday 12 April 2006 04:18, Lowell Gilbert wrote:
> > Oliver Iberien <oliver-mailinglist at charter.net> writes:
> > > There was a thread about this a while ago, but it did not seem to end in
> > > a solution... In any case, I have a 160GB Seagate drive that I was trying
> > > to mount a partition on as /disk2. I went through the instructions in the
> > > Handbook under "Formatting Media for Use With FreeBSD." No formatting
> > > seemed to be happening, though. When I added it to fstab, something in
> > > KDE found it and then failed to open it. mount shows that it has not been
> > > mounted, and if I try to mount it:
> > >
> > > bsd# mount -u /dev/ad1s2c /disk2
> > > mount: /dev/ad1s2c on /disk2: specified device does not match mounted
> > > device bsd# mount /dev/ad1s2c /disk2
> > > mount: /dev/ad1s2c: Input/output error
> > >
> > > I looked at the previous thread and then tried:
> > >
> > > bsd# newfs /dev/ad1s2c
> > > /dev/ad1s2c: 52627.0MB (107780084 sectors) block size 16384, fragment
> > > size 2048
> > >         using 287 cylinder groups of 183.77MB, 11761 blks, 23552 inodes.
> > > super-block backups (for fsck -b #) at:
> > >  160, 376512, 752864, 1129216, 1505568, 1881920, 2258272, 2634624,
> > > 3010976, ...
> > >  107260480, 107636832
> > > cg 0: bad magic number
> > >
> > > I had two partitions on it, one to be used for linux later on. I tried
> > > swapping them out, but no difference.
> > >
> > > This drive worked under linux. Any ideas?
> >
> > Sounds like you didn't write a disklabel on it.
> > That's covered in the tutorial you mentioned...
> 
> I used the disklabel tool in sysinstall. But it did not seem to do anything...

Try doing the disklabel from the command line, so you can show an
exact transcript.