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Date:      Mon, 8 Oct 2012 18:11:08 +0800
From:      Brad Stone <bstone@aspirinsoftware.com>
To:        "zfs-discuss@opensolaris.org" <zfs-discuss@opensolaris.org>,  "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org>
Subject:   Re: [zfs-discuss] How many disk in one pool
Message-ID:  <CAKCP1NfujSzdvDGuB08pMq938qQndQhgLPWjN-XvFT6EBC94gw@mail.gmail.com>
In-Reply-To: <6E4F0E82-50D0-450A-A72A-3B7BD3795C5B@gmail.com>
References:  <20121005205748.GA39237@pcjas.obspm.fr> <6E4F0E82-50D0-450A-A72A-3B7BD3795C5B@gmail.com>

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Here's an example of a ZFS-based product you can buy with a large
number of disks in the volume:

http://www.aberdeeninc.com/abcatg/petarack.htm
360 3T drives
A full petabyte of storage (1080TB) in a single rack, under a single
namespace or volume


On Sat, Oct 6, 2012 at 11:48 AM, Richard Elling
<richard.elling@gmail.com> wrote:
> On Oct 5, 2012, at 1:57 PM, Albert Shih <Albert.Shih@obspm.fr> wrote:
>
>> Hi all,
>>
>> I'm actually running ZFS under FreeBSD. I've a question about how many
>> disks I =ABcan=BB have in one pool.
>>
>> At this moment I'm running with one server (FreeBSD 9.0) with 4 MD1200
>> (Dell) meaning 48 disks. I've configure with 4 raidz2 in the pool (one o=
n
>> each MD1200)
>>
>> On what I understand I can add more more MD1200. But if I loose one MD12=
00
>> for any reason I lost the entire pool.
>>
>> In your experience what's the =ABlimit=BB ? 100 disk ?
>
> I can't speak for current FreeBSD, but I've seen more than 400
> disks (HDDs) in a single pool.
>
>  -- richard
>
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