Re: A strange occurrence

[Felix Zielcke]

Am Dienstag, den 16.06.2009, 15:59 -0400 schrieb BandiPat:
> Vladimir 'phcoder' Serbinenko wrote:
> 
> >     Here's what you do from a root shell:
> >     dd if=/dev/zero of=/dev/sdx bs=446 count=1
> >     (the "x" is the letter of your installed drive, "a" "b" )
> >     Also, for the "bs" number, never use more than "446" as anything
> >     larger will overwrite your partition table of the drive, pretty much
> >     rendering it useless without any partitions.
> > 
> > 440, not 446, otherwise you destroy serial number of the drive
> ============
> Thanks phcoder,
> Each time I find info about doing this, I also find more info about how 
> much to write.  I used 512 the first time I did it, quickly learning I 
> cleared out my partition table, then I found the 446 after I had to 
> rebuild my drive from scratch.  :-\
> 
> I had not found anything about the 440, but it's good to know so as not 
> to remove any pertinent drive data.
> 

You'd only need to look at the wikipedia MBR page for this:
http://en.wikipedia.org/wiki/Master_boot_record
-- 
Felix Zielcke