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Date:      Mon, 18 Jan 2010 22:05:00 +0000
From:      Mike Clarke <>
Cc:        Pieter de Goeje <>
Subject:   Re: Newbie gmirror questions
Message-ID:  <>
In-Reply-To: <>
References:  <> <> <>

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On Sunday 17 January 2010, Matthew Seaman wrote:

> However, one of the really amazingly brilliant things about geom is
> that just about any disk / storage related thing can be a geom
> provider, and geom constructs will nest very happily. =A0Here's a howto
> for setting up gmirror across a pair of slices:

That's a very interesting article. Since I'll be able to configure the=20
mirror on the new drives before installing any software my approach can=20
be a bit simpler.

In the example he's using a single partition for the whole disk but=20
reduces the size if the partition by one block so that the mirror's=20
meta data doesn't get misinterpreted as whole disk meta data. Since I=20
anticipate using only the first 2 partitions for a couple of mirrors=20
and using the rest of the disk as plain partitions then I don't think I=20
need to do this but might it still be a good idea to reduce the last=20
partition by one block anyway in case my usage changes in the future?

Mike Clarke

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