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Date: Wed, 26 Sep 2007 15:06:51 -0400
From: Tim Kellers <timothyk@wallnet.com>
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To: "Philip M. Gollucci" <pgollucci@ridecharge.com>
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Cc: "questions@freebsd.org" <questions@freebsd.org>
Subject: Re: Dell Servers and FreeBSD
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Thanks!  I plan on using RAID 5

Philip M. Gollucci wrote:
> Tim Kellers wrote:
>   
>> Does anyone have any recommendations or experience with any of the newer
>> Dell servers (2900, 2950 for example) and FreeBSD 6.2 in a production
>> environment?
>>     
> Hi,
>
> I've got 860, 1435, 1600, 1950, 2950 all running 6.2-relelase-p7 with
> custom kernels.
>
> Watch out though the RAID-1 write speed on w/ FreeBSD is known to be
> pathetically the worst thing ever with this raid card:
> SAS 5IR internal RAID adapter, PCI-Express
> Read speed seems fine though.
>
> mpt0: [GIANT-LOCKED]
> mpt0: MPI Version=1.5.12.0
> da0 at mpt0 bus 0 target 0 lun 0
> da0: <Dell VIRTUAL DISK 1028> Fixed Direct Access SCSI-5 device
> da0: 300.000MB/s transfers, Tagged Queueing Enabled
> da0: 237464MB (486326272 512 byte sectors: 255H 63S/T 30272C)
>
>
> My other RAID cards doing RAID0, RAID5, and RAID1+0 are all stellar.
>
>
>
>