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Date: Thu, 08 Sep 2011 21:00:03 +0400
From: "Andrey V. Elsukov" <ae@FreeBSD.org>
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To: Willem Jan Withagen <wjw@digiware.nl>
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Cc: FreeBSD Current <freebsd-current@freebsd.org>,
	Nathan Whitehorn <nwhitehorn@freebsd.org>
Subject: Re: FreeBSD 9.0-BETA2 invalid ada0 layout prevents installation
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On 08.09.2011 20:13, Willem Jan Withagen wrote:
> This however results in that I can not find any "normal" way in the
> guided and expert config menus to actual tell it to use the whole disk
> for a new fresh FreeBSD install.
> 
> it keeps complaining
>     Operation not permitted
>     'ada0 table is corrupt'

Do you mean new FreeBSD installer?

> Only way to proceeds seems to be is to go to shell, dd /dev/zero over
> the first few blocks and then restart....
> 
> Not shure that many people that end up using a ZFS old disk, also do not
> know how to fix this. But then again, what is there is another "corrupt"
> GPT setup on the disk...

If your partition table marked as corrupt, you can only destroy or
recover it.

-- 
WBR, Andrey V. Elsukov