SC847 on a Quad-Port HBA

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Piley

New Member
Jun 23, 2020
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Hi, I'm new at reusing data center architecture within a home setting, and storage arrays are my weak point in knowledge here from a data center hardware perspective. I recently acquired a SuperMicro SC-847 45 drive system. On the chassis case is a 4xSFF-8088 port "line-card". So, I picked up a 4-port Quad HBA Card to use in my system for this storage array, with the intent of maximizing all data throughput using the 4 wired ports. Currently, my chassis is only allowing traffic through a single SFF-8088 port, which is disappointing and confusing. Additionally, only the front 24 drives respond to anything, and the back 21 do not. I know the internal components include a SAS2-847EL2 on the 21-drive back side, but I'm not sure the exact front plane's board and they definitely look really different... At least I'm not finding any labeling printed that I can make out of yet. At this point, I believe my internal wiring is either wrong and/or missing.

I'm using this SuperMicro to host a bunch of SATA Drives as just random disks with Microsoft Storage Spaces on the computer that controls the storage array. I have no SAS drives installed.

What would I need to pick up (parts/cabling) in order to wire it such that I can use all 4 SFF-8088 ports on the case exterior to be connected to my computer for maximum data throughout via my Quad-Port HBA,, such that all 4 paths are independent Mini-SAS 4 channels?

Thanks for the Help.
 

BlueFox

Legendary Member Spam Hunter Extraordinaire
Oct 26, 2015
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You need to actually open the chassis to look at the SAS cabling topology and adjust it accordingly. You won't require any extra parts.
 

Piley

New Member
Jun 23, 2020
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OK, what is the correct schematics layout am I looking to ensure exists? Do you have a pictorial?
 

BlueFox

Legendary Member Spam Hunter Extraordinaire
Oct 26, 2015
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For maximum throughput, 2 ports going to one backplane and 2 to the other.