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Convert ZFS on HP NL 40 to Synology NAS: connect sharkoon cable to sata?

Posted on 2014-02-08
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Hi,

Back in time, I configured a ZFS on HP NL 40 Microserver.
Therefore I used an LSI controller and a sharkoon with 6 bays (please see posts from then).

Now I installed Synology OS on HP NL 40 and removed the LSI to use the slot for dual NIC card. It is all working great, I have two SSD's in RAID0 for my fast vm's, SATA RAID5 for data and slower vm's.
Now I still have this sharkoon cable which I could attach to my sata slot on motherboard and attach 3 extra SSD's this way.

My question: I wonder why the LSI was needed to attach the sharkoon with 6 SSD's. I could have attached it via the sata slot on motherboard? Or would performance degrade that much? Then I might stick to just 2 sata's in RAID0 (1 ssd connected to sata on motherboard, other to external esata).

Please advise.
J.
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Question by:janhoedt
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Andrew Hancock (VMware vExpert / EE MVE) earned 500 total points
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My question: I wonder why the LSI was needed to attach the sharkoon with 6 SSD's. I could have attached it via the sata slot on motherboard? Or would performance degrade that much? Then I might stick to just 2 sata's in RAID0 (1 ssd connected to sata on motherboard, other to external esata).

motherboard is only SATA2.

your LSI interface card and SSDs are SATA3.

So it would be slower, and if you want to fully use the bandwidth and SATA 3 SSDs, you need a SATA 3 interface,
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by:janhoedt
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I seem to have made a mistake. Without the LSI card, I cannot attach my octopus cable. Are there sata cables on the market that can connect to a sata connection on the motherboard (not the one to which my SATA disks are connected)?

I don't find any (yet). So in other words: on my HP NL40, my 4 SATA disks are connected to motherboard, then I'd like to connect 4 (or 6) SSD's in my sharkoon (+ an extra via e-sata).
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