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Supermicro trays shines red (1U, on board SATA)

Discussion in 'Chassis and Enclosures' started by Yarik Dot, Feb 13, 2018.

  1. Yarik Dot

    Yarik Dot Active Member

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    Hi,

    I got a problem, which I don't know what causes it. I have 1U supermicro server with 4 SATA ports connected directly to the on-board.

    The backplane still let HDD trays to shine red (no blinking). Seems like I miss a jumper somewhere, because we replaces MB and it still persists.

    No matter how many drives I populate. It's still on for all ports.

    Any idea how to turn it off?

    Thanks

    WP_20180212_22_39_28_Pro.jpg
     
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  2. i386

    i386 Well-Known Member

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    What Happens when the drives are accessed?
     
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  3. Yarik Dot

    Yarik Dot Active Member

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    The green led blinks green
     
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  4. Terry Kennedy

    Terry Kennedy Well-Known Member

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    How are these connected? 4 individual SATA cables? Multi-lane cables? Something else?

    It would also help to know both the motherboard model and the chassis model (exact model numbers, please, not generic).
    This sounds like an SGPIO / iPass / sideband (all names for the same thing) issue - the red LEDs are normally controlled by a SAS controller. Using (for example) an SFF-8087 cable without sidebands can give you this sort of behavior. So could an improperly configured backplane. Compare the systems that work normally with the one that does not, paying special attention to the controller-to-backplane cable(s) as well as the backplane jumpers (and possibly model / revision if different between working and non-working chassis).
     
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  5. svtkobra7

    svtkobra7 Member

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    I was thinking this was SGPIO related (but figured I'd let an expert chime in). I have an SC836 with 2.5" HDD Hot-Swap Kits installed where one might otherwise find a DVD / FDD drive:
    Not having connecting the SGPIO cables, IPMI View shows "Rebuild/Remap in progress" for those guys, but I don't get a red light (blue on access though). 1 of the Hot-Swap Kits is connected via SATA directly to the motherboard (X9DRi-LN4F+), the other reserved for future use.

    [​IMG]

    @Terry Kennedy: Any advantage to connecting the SGPIO cable (other than ridding myself of an error message in IPMI View)? Also, where do you connect the SGPIO cable(s) on that board (not sure I follow the bit about connecting to Port #0, or how that is achievable with two kits)?

    [​IMG]
     
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  6. Terry Kennedy

    Terry Kennedy Well-Known Member

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    I think that's a different issue. I'm not sure where IPMIview gets that data from, but it is unlikely it is trying to read it from the 2.5" hot swap bay. I'd suggest contacting Supermicro support to see what they say (and to clarify the manual section you quoted).
     
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  7. svtkobra7

    svtkobra7 Member

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    There aren't many times I'd disagree with you, but on this one I have to, as it appeared immediately after adding the two bays and there are two sensors. Nevertheless, I will take your advice! Thanks for weighing in and hope all is well.
     
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  8. Terry Kennedy

    Terry Kennedy Well-Known Member

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    The manual (here) says the backplane only has 3 connectors - power, SATA and GPIO. The fault signal isn't on the power or SATA connectors, so if you don't have the SGPIO cable connected, I don't see how IPMIview could read anything from the backplane.
     
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  9. Yarik Dot

    Yarik Dot Active Member

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    I will check the jumper setting when there is planned outage window for that server. Hopefully it should be by the end of this month.
     
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