HBA with 3+ SFF-8643 connectors for IT mode?

Discussion in 'RAID Controllers and Host Bus Adapters' started by IamSpartacus, Jan 7, 2019.

  1. IamSpartacus

    IamSpartacus Well-Known Member

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    I'm looking for a PCIe HBA that has at least 3 SFF-8643 connects so I can connect at least 12 drives. The drives will be passed through so no need for any RAID ROM capabilities.
     
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  2. nthu9280

    nthu9280 Well-Known Member

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    Depends on your OS & Speed (6g/12g) requirements.


    Least expensive:
    6Gb/s
    Adaptec ASR-71605 is a 6G. Can be had for < $100. It's a RAID card but JBOD/RAID mode can be set in card bios. Has 4 x 8643 ports but vertical facing and can be tricky with 2U chassis. Driver support for FreeBSD / FreeNAS is questionable

    LSI 9201-16i. It has 4x 8087 ports but the 8087 -8643 cables do exist and not that expensive ~$10-15 range

    Much more expensive
    12 Gb/s:
    Adaptec:
    HBA 1000-16i
    - Someone else please chime in. I have not played with these

    LSI:
    LSI9300-16i: Has 2 3008 chips; full-size card so need 3U+ chassis or Riser config. Diver support is much broader.
    - I have one listed in my FS thread. But another member has already messaged me this morning.

    LSI9305-16i (24i) - No experience and has a different ROC i think LSI SAS3224 or something like that

    The latest and greatest 94xx series.
     
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  3. gregsachs

    gregsachs Member

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  4. IamSpartacus

    IamSpartacus Well-Known Member

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    Thank you both!
     
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  5. gregsachs

    gregsachs Member

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    #5
  6. EffrafaxOfWug

    EffrafaxOfWug Radioactive Member

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    If you don't mind paying the extra for it (although when I bought mine it was the same price), I think the 9305-16i is worth the extra cash compared to the 9300 as it's a) low profile and b) uses significantly less power.
     
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  7. IamSpartacus

    IamSpartacus Well-Known Member

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    Hmmm, I didn't realize it uses less power. That plus the flexibility to use in a smaller chassis might make it worth it. Thanks
     
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  8. EffrafaxOfWug

    EffrafaxOfWug Radioactive Member

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    As per PigLover's post here that I came across when I was in the market for a 16-port HBA:

     
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  9. IamSpartacus

    IamSpartacus Well-Known Member

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    Great info!

    Now if I could only find a short depth (<20" deep) JBOD chassis.
     
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  10. EffrafaxOfWug

    EffrafaxOfWug Radioactive Member

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    Shortest depth JBOD I know for >=12 discs is the InWin RJ212-04 and RJ316-04 and they're 20.5" (53cm) deep (and I assume you also need at least a couple of inches extra for cables). Getting one that titchy is going to be a very short order... but then how does a JBOD square with having an internal HBA?

    Edit: Norco DS-12xH are marked as only 19" deep; http://www.norcotek.com/product-cat.../hot-swap-storage-case/12-bays-hot-swap-case/
     
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  11. IamSpartacus

    IamSpartacus Well-Known Member

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    Oh hmmm, didn't realize those Norcos were less than 20", those are an option. Well, to be honest I haven't figured out my whole build yet just exploring some options. I do like the idea of separating all my 3.5" discs into a JBOD so I can keep my main server and a few 2.5" drives in a smaller chassis. Would the HBA not work for connecting my main server chassis to a JBOD enclosure?
     
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  12. EffrafaxOfWug

    EffrafaxOfWug Radioactive Member

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    JBOD is Just a Bunch [I prefer Box as I think it's more accurate] Of Discs - you need some way to connect said box o'platters to your motherboard, this is usually done by an external SAS connection (from a card like a 9211-8e [e for external]) talking to a SAS expander inside the JBOD chassis. It's been a while since I've used one but I don't believe the concept has changed.

    As you can see from that Norco page, those enclosures take either an SFF8088 or 8644 connection from the main server; that's one external port from summat like a 9207-8e (8088) or a 9300-8e (8644) feeding into t'other case. I dare say it might be possible to rig up a cable from an internal 8087 or 8643 connector to an 8088 or 8644 connector but it's not what those connectors were designed for. Pounds for pudding that there are pre-made cables that already exist for this sort of thing I imagine.

    If you're so tight for space/depth though, rackmount kit will leave you with very few options. Even at only 19" depth I think the Norco JBOD wouldn't leave you with enough room to fit the cables in the back...
     
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