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Date:      Tue, 9 Feb 2021 14:23:59 +0000
From:      RW <rwmaillists@googlemail.com>
To:        freebsd-geom@freebsd.org
Subject:   Re: Making gmirror metadata cooperate with gpt metadata
Message-ID:  <20210209142359.0310a10b@gumby.homeunix.com>
In-Reply-To: <CADC2UYd%2B1hvOORErpHYvFMSGPeOqEd-M=oXiviqV6mRt2DZJMw@mail.gmail.com>
References:  <CADC2UYd%2B1hvOORErpHYvFMSGPeOqEd-M=oXiviqV6mRt2DZJMw@mail.gmail.com>

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On Sun, 7 Feb 2021 08:50:52 -0500
Abner Gershon wrote:


> The reason this is currently impossible is due to GPT and gmirror both
> trying to store metadata in the last disk sector.

I don't know whether GPT with gmirror is a special case, but
generally when something uses the last sector for metadata it results
in a new device that's one sector smaller.



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