Re: /boot partition erased (help needed)

On Thu, Aug 16, 2007 at 10:35:28PM +0200, Krzysztof Lubański wrote:
> On Thu, 2007-08-16 at 15:41 -0400, Mark Neidorff wrote:
> > On Thursday 16 August 2007 01:32 pm, Deephay wrote:
> > > I made a very stupid mistake two hours ago, I bought a new USB storage
> > > disk and I was trying to test the speed:
> > >
> > > dd if=/dev/zero of=/dev/sda1
> > >
> > > sadly I typed "sdb1" as "sda1" and that was the /boot partition, I
> > > realized it immediately, but it was too late.[...]
> >
> > Have you tried formatting the partition? You just wrote a series of "0"s
> > across the partition...not as files, as raw data. You wiped out the inode
> > tables, superblocks, etc.
>
> As Mark wrote, first format /dev/sda1 using mkfs.ext3, mkfs.ext2,
> mkfs.reiserfs etc. - whichever filesystem you use(d) - and then mount it
> as /boot.
>
> After that you have to reinstall your kernel image(s) because this is
> what you have essentialy wiped out. The install scripts in the
> linux-image-* packages should then automatically recreate GRUB's
> configuration.

grub (the package) will probably need a reinstall as well.

Regards,
Andrei

-- 
If you can't explain it simply, you don't understand it well enough.
(Albert Einstein)

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