Date: Thu, 18 Mar 2010 10:24:17 +0000 From: Matthew Seaman <m.seaman@infracaninophile.co.uk> To: Erik Trulsson <ertr1013@student.uu.se> Cc: freebsd-questions <freebsd-questions@freebsd.org>, Andy Wodfer <wodfer@gmail.com> Subject: Re: Hardware RAID controller questions - 3Ware vs RocketRaid Message-ID: <4BA1FF51.6010305@infracaninophile.co.uk> In-Reply-To: <20100318100955.GA42170@owl.midgard.homeip.net> References: <23ed14b81003180137n61261b5axa22677a0a7bbe544@mail.gmail.com> <20100318100955.GA42170@owl.midgard.homeip.net>
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On 18/03/2010 10:09:55, Erik Trulsson wrote:
> On Thu, Mar 18, 2010 at 09:37:32AM +0100, Andy Wodfer wrote:
>> Hi,
>> We're setting up two backup servers where each server will have about 4TB of
>> harddrives (for now) connected (4x1TB and 8x500GB drives). Last night we ran
>> into trouble with the 3ware controllers we have (9650SE-8LPML) because we
>> couldn't create a larger RAID5 than 1.99TB.
>
>
> That is strange, since all the 3ware 9000-series controllers (including
> the 9650) are supposed to be able to handle arrays larger than 2TB.
Is it perhaps not a limitation in the 3ware controller, but rather the
2TB limit for a single slice imposed by the traditional DOS mbr? In
which case, simply switching to using gpart(8) should solve the problem
and let you have much larger filesystems.
Cheers,
Matthew
- --
Dr Matthew J Seaman MA, D.Phil. 7 Priory Courtyard
Flat 3
PGP: http://www.infracaninophile.co.uk/pgpkey Ramsgate
Kent, CT11 9PW
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