Two servers with redundant connections for Sun StorEdge 3320 SCSI arrays

Hello All,
I read in the "Sun StorEdge 3000 Family Installation, Operation and Service Manual" that it's possible to setup "two servers with redundant connections" but I never see a detailed schema to do this. I read also the "Best Pratices Guide" but this case is not mentioned. Is it really possible ?
My objective is to split a Sun StoreEdge 3320 SCSI array between two hosts with dual redundant scsi connection.
Thanks in advance for your answers.
Francois.

At first this sounded easy, but looking at the parts listing for the 3320 seems to indicate otherwise. They're listing different part numbers for the chassis and midplane...
371-0105 chassis & midplane for JBOD
371-0106 chassis & midplane for RAID array
There are also different part numbers for the I/O boards....
370-7655 RAID SCSI I/O module
370-7713 JBOD SCSI I/O module
I can see what the difference is between the I/O modules, but am unsure of what differences if any are in the chassis and midplane. Seems like there's more involved here than what it would be worth to try and make it work. Perhaps the cost of a second HBA would be the lesser of two evils..........

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