On Wed, 17 Jul 2013 11:08:19 -0600
Mark Post <[email protected]> wrote:
> >>> On 7/17/2013 at 10:12 AM, "Collinson.Shannon"
> >>> <[email protected]>
> wrote:
> > We also tried a %pre script that just whacked the first 1024 then
> > 4096 bytes (used "dd" to zero them out) but that apparently didn't
> > kill enough data to wipe out the "memory" of datavg
>
> From some recent experimentation, it looks like the LVM metadata ends
> somewhere around the 1MB mark into the volume. So, try writing 2MB
> over the device and see if that works.
or you could use the wipefs utility, which should care of all signatures
Dan
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