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Dovi

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    Dell R720 Can't boot to Unraid -- Failed to allocate memory

    in General Support

    Posted · Edited by Dovi

    I've been stuck on this error for 3 nights now, ESXi and FreeNAS both boot fine under the same thumb drive, server and options. As well as Parted Magic, so I don't think there's anything going on with that. The error that's coming up is the same as this thread: 

     

    Hardware configuration:

    • Dell R720xd (24x 2.5" in the front, 2x 2.5" in the rear)
    • 2x Xeon E5-2680v2
    • 128GB DDR3 ECC Registered RAM (MT36KSF1G72PZ-1G6K1LG)
    • MD1200 enclosure
    • Pulled the PERC out entirely
    • Recabled the backplanes to the 9207-8i
    • LSI SAS 9207-8i for the 26x 2.5" drives 
    • LSI SAS9207-8e for the MD1200 
    • All drives recognized by Parted Magic and validated good/healthy

     

    Things I've tried:

    • Installing a GPU (not a good one, but something)
    • Different thumb drives
    • Different Unraid versions
    • Used both the USB creator and the manual method
    • BIOS and UEFI Boot modes  (can only get it to this point in UEFI)
    • I just threw in a NIC and moved the cable I'm using from the integrated daughter card to that -- no change. NIC removed and we're plugged back into the daughter card.
    • Removing all but two RAM DIMMS (1 for each CPU) -- Currently booting with this config
    • Swapping those single remaining with another to validate the RAM
    • Currently trying a different server alltogether, same hardware config (moved over the HBAs) No change, same error. Something going on with the config of these boxes or this image provided by UnRAID.
    • Tried a different RAM (Samsung DDR3) and no change. I'm completely at a loss.
    • Ran Memtest86+ against the 8GB in there, no errors.
    • Tried the front USB port and a different thumb drive. Made it to the same point and same error. Will try different thumb drives and the rear ports.
    • Tried other thumb drives in the rear ports -- one doesn't like to boot with this server so I tried the other that does boot in both rear ports. No change. Still erroring
    • For kicks, disabled the PCI-E ports in the BIOS (can't get to the server right now) to remove the LSI HBAs from the system -- no change.

     

    Next to try:

    • I'm out of ideas :(

     

     

    I don't think it's going to be RAM related, as ESXi and FreeNAS haven't had an issue booting to this server. I REALLY don't want to use FreeNAS, and having massive datastores carved out in ESXi isn't really what I had intended for this project, either. I'd like to jump into the Unraid ecosystem if at all possible.

     

    If anyone has any ideas, I'm all ears! I'm gonna keep poking in the meantime.

     

     

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