# [OmniOS-discuss] Strange Issue with Grub (I Think)

Ben Kitching Ben.Kitching at Jigsaw24.com
Mon Sep 9 15:01:18 UTC 2013

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    Hi Eric,

    Thanks for the reply, it is actually the JBOD SKU so the firmware is IT not IR.

    I've actually managed to solve the issue now by disabling the "Onboard SAS option ROM" and "Interrupt 19 Capture" in the BIOS.

    I'm not sure which one actually solved the issue or if it was a combination of the two.

    Strange issue I'm guessing the Onboard SAS was messing with grub somehow.

    Anyway, the box is up and running so now I can  start to re-grow some of the hair I pulled out on Friday.

    Ben

    On 9 Sep 2013, at 15:30, Eric Sproul <esproul at omniti.com<mailto:esproul at omniti.com>> wrote:

    On Fri, Sep 6, 2013 at 1:35 PM, Ben Kitching <Ben.Kitching at jigsaw24.com<mailto:Ben.Kitching at jigsaw24.com>> wrote:
    Firstly, hello to the list,

    This is my first post.

    Welcome!

    I'm having a strange issue with OmniOS.

    I have a Supermicro 36 Bay Chassis with this motherboard:

    http://www.supermicro.co.uk/products/motherboard/Xeon/C600/X9DRD-7LN4F.cfm

    With more than 34 drives the system fails to boot, all drives are seen by
    the LSI utility at POST and the POST completes successfully when OmniOS
    tries to boot I just get a black screen with a flashing cursor.

    This board's built-in SAS HBA comes with IR firmware, correct?  It is
    not the "-JBOD" SKU?

    How have you set up the disks behind this controller?  Are they
    individual RAID-0's or something else?

    Could you provide the PCI ID that your controller appears as?  You can
    get this via `prtconf -d` or by installing the pciutils package and
    running /usr/sbin/lspci.

    Thanks,
    Eric

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