Re: Strange booting problem

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On Tue, Jun 30, 2015 at 5:26 PM, Gordon Messmer
<gordon.messmer@xxxxxxxxx> wrote:

> So you could dd 512 bytes of /dev/zero to the drive, or use "wipefs -a
> /dev/sdX", then use parted to "mktable gpt" and set up partitions.

That will not work. Parted replaces the PMBR in such a case. So does gdisk.

wipefs -a after parted or gdisk will cause both PMBR and GPT primary
and backup headers to be invalidated. So to wipe or invalidate the
PMBR has to be done with dd.


-- 
Chris Murphy
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