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Date:      Sun, 24 Aug 2014 19:51:23 -0700
From:      Michael Sierchio <kudzu@tenebras.com>
To:        FreeBSD Questions <freebsd-questions@freebsd.org>
Subject:   Re: some ZFS questions
Message-ID:  <CAHu1Y71U1CnU=iCdNf902YiLzaJ4TtpZMwpjN6xms_Xuwsbu9Q@mail.gmail.com>
In-Reply-To: <20140825014249.GA28995@neutralgood.org>
References:  <201408070816.s778G9ug015988@sdf.org> <40AF5B49-80AF-4FE2-BA14-BFF86164EAA8@kraus-haus.org> <201408211007.s7LA7YGd002430@sdf.org> <E32981BF-613C-49D9-B7F8-18B9A99C0141@kraus-haus.org> <201408241015.s7OAFRv7010196@sdf.org> <20140825014249.GA28995@neutralgood.org>

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On Sun, Aug 24, 2014 at 6:42 PM,  <kpneal@pobox.com> wrote:


> If you can use GPT partitioning then you can have GPT labels on partitions
> spanning entire disks. Then you can rearrange physical disks to your hearts
> content.
>
> The bonus is that you can put identifying information in the label name
> to be even more sure you are replacing the correct disk when the time
> comes.

You can do this - and it's the approach that FreeNAS takes, but you
lose the benefits of presenting a whole disk to ZFS - the ability to
fully use the disk cache when presented a raw device rather than a
partition.

- M



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