Using 2-port LSI 2308-8e card to control 24 SAS HDDs

Posted by GregC on Server Fault See other posts from Server Fault or by GregC
Published on 2012-10-31T16:00:16Z Indexed on 2012/10/31 17:02 UTC
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windows-server-2008-r2

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storage

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sas

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hba

I would like to rely on a RAID-on-chip solution to control 24 SAS hard drives in a direct-attached environment. How would you approach this to get best bandwidth given that I'd like to spend less than $10,000 on the interconnect.

I've read that LSI 2308 chip can easily handle 8-drive SSD RAID6 in hardware. I'd like to harness its power to control 24 SAS hard drives over an expander in an external enclosure.

Currently I use an Infortrend S24S-G2240 external enclosure. It provides its own controller and expander. I'd like to use LSI 2308 controller for RAID6 somehow instead of the mystery controller in the enclosure.

P.S. I tried to create SAS-expander as a tag, but my rep on this site is low.

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