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List:       linux-ide-arrays
Subject:    SCSI Card question
From:       Joseph Ghobrial <jghobrial () uh ! edu>
Date:       2004-12-08 20:01:44
Message-ID: Pine.LNX.4.60.0412081351140.30165 () mail ! tlc2 ! uh ! edu
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I am looking to get some external storage connected to a quad Opteron with 
16GB of ram. The box has on board SCSI via an LSI based setup. I have two 
16 drive storage boxes with two scsi connectors per box. So that means 4 
scsi connectors with each scsi connector serving up one lun for a total of 
4 luns with each lun being 1.6TB.

This is a small experiment to see what kind of performance I would get out 
of a setup like this. I will do nfs exports from the box. The quad has 2 
gig-e connectors and I will probably bond them together.

So the question is: I have looked at the following SCSI adaptors, does any 
one have any experience with the cards? Also, what kind of performance 
should I see. What kind of problems might I have to deal with?

I will use the PCI-X slots for the SCSI cards.

LSI22320-R
64-bit PCI-X Ultra320 SCSI Dual-Channel Host Bus Adapter

Adaptec 39320D-R
Dual-channel, 64-bit, 133 MHz, PCI-X, Ultra320 SCSI card, with two
external and one internal connectors


Thanks,
Joseph

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