On Mon, 30 Apr 2007 22:45:53 +0200
"Marcin Michal Jessa" <m.jessa@gmail.com> wrote:

> Hi again.
> I ran dump_lfs  -0u -f /dev/xbd0i /home/mail
> trying to backup the /dev/xbd0i to /home/mail since recent current
>

That command is wrong -- the operand that follows -f is the output
file; the positional operand is the device you're trying to dump.

What you wanted is

	dump_lfs -0u -f /home/mail /dev/xbd0i

You may have overwritten the file system you're trying to dump...


		--Steve Bellovin, http://www.cs.columbia.edu/~smb