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Date:      Mon, 29 Mar 2010 08:39:58 -0600
From:      Adam Vande More <amvandemore@gmail.com>
To:        John <comp.john@googlemail.com>
Cc:        freebsd-questions@freebsd.org, freebsd-hardware@freebsd.org
Subject:   Re: freebsd-8 support for dell R710 SATA raid-0
Message-ID:  <6201873e1003290739t588ae242gef92d14e9d889749@mail.gmail.com>
In-Reply-To: <6201873e1003290731x148a2415q5113feb8a0479d4b@mail.gmail.com>
References:  <20100329135340.GA85635@potato> <6201873e1003290731x148a2415q5113feb8a0479d4b@mail.gmail.com>

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On Mon, Mar 29, 2010 at 8:31 AM, Adam Vande More <amvandemore@gmail.com>wrote:

>
>> FWIW CentOS won't see it either. Please help!
>>
>
>
> You'll need to use GPT partition instead of MBR if you're trying to boot
> with a size > TB.  AKAIK, sysinstall doesn't support this, requiring a more
> "hands on" installation.
>
> If you haven't considered it, it may be worthwhile to use ZFS.  In that
> scenario, you'd want to the controller to present the disks as JBOD and use
> RAIDZ.  Once again, sysinstall doesn't support this, but there are some good
> FreeBSD wiki articles on it.
>

Opps, didn't read the RAID-0 bit, still try the GPT stuff, the 2TB MBR is a
hard limit.  gstripe(8) would also be an option.  With you're RAID-0, were
you looking of for read or write speed?  You can still use RAIDZ and
outperform a straight stripe in most workloads if you make use of an ssd
based L2ARC and a ZIL for read and writes respectively.


-- 
Adam Vande More



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