Re: Supermicro SAS controller
On Tue, 01 May 2012 15:43:13 -0500, Stan Hoeppner wrote:
> On 5/1/2012 12:37 PM, Ramon Hofer wrote:
>
>> I have the RPC-4220 case with 20 howswap slots.
>
> You should have mentioned this sooner, as there is a better solution
> than buying 3 of the 9211-8i, which is $239*3= $717. And you end up
> with one SFF8087 port wasted.
>
> Instead, get a 24 port Intel 6Gb SAS expander:
> http://www.provantage.com/intel-res2sv240~7ITSP0V8.htm $238.24
>
> and the LSI 9240-4i, same LSISAS2008 chip as the 9211-8i:
> http://www.newegg.com/Product/Product.aspx?Item=N82E16816118129 $189.99
>
> Total: $429
>
> W/4 extra SFF8087 cables (assuming you already have 2):
> http://www.newegg.com/Product/Product.aspx?Item=N82E16816116093 $60
>
> Total: $489
>
> This solution connects all 20 drives on all 5 backplanes to the HBA, and
> will give you ~1.5GB/s read throughput with 20 7.2k RPM drives using md
> RAID 5/6, and ~800MB/s with hardware or md RAID10.
>
> You connect the SFF8087 of the LSI card to port 0 of the SAS exapander.
> You then connect the remaining 5 ports to the 5 SFF8087 ports on the 5
> backplanes.
Thanks alot for the suggestions. I have found a shop where I live and
will order them tomorrow. Do you have experience with these cards?
Best regards
Ramon
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