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Date: Tue, 29 Jan 2013 20:43:40 +0400
From: Artem Kuchin <matrix@itlegion.ru>
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Subject: Re: Software raid VS hardware raid
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29.01.2013 18:57, Warren Block:
> On Tue, 29 Jan 2013, Artem Kuchin wrote:
>
> The Handbook chapter on gmirror talks about the problems with GPT and 
> GEOM metadata.  In short: right now, they conflict.  It's possible to 
> mirror GPT partitions, but be aware that if you mirror more than one 
> partition on a drive, a rebuild after replacing a drive could thrash 
> the heads as mirrors are rebuilt simultaneously.
>
> http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/geom-mirror.html 
>
>
>

So,
gmirror+GPT=conflict on last sector
GPT+gmirror = hardrive head kill

nice...

So, for no more than 2TB disks the best way to go is GMIRROR of the 
drive +PARTITION on top of it?
Or maybe there is a way to instruct gmirror do rebuild only what i say 
(manual rebuild) ?

Artem