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I have to run a firmware update script that lives on the first hard drive of an Intel server board. I must use the UEFI shell to run this script, according to the Intel docs.

(Our servers have no external USB ports, so please don't suggest this.)

I have all the binary firmware blobs including the update script in /moo on blk0.

How do I mount the drive so I can run the script or do I need to mount the drive at all?

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  • Looks to me like blk0 is typically a disk rather than a partition? Based on this question and answer, mountable partitions should be fsN rather than blkN Are there any fs devices? – Harry Johnston Jan 8 '20 at 0:04
  • Nope. No fs devices :( – mr.zog Jan 8 '20 at 0:50
  • Is the server booting via UEFI? I'd have thought the UEFI boot partition, at least, would be available. – Harry Johnston Jan 8 '20 at 0:53
  • I have booted into the UEFI shell. I do not know what is mounted. How can I tell? – mr.zog Jan 8 '20 at 1:05
  • Let me rephrase. Is the main operating system that you have installed on the server configured to boot via UEFI? – Harry Johnston Jan 8 '20 at 1:08
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We found a way to use Intel's sdptool using IPMI to the BMC. This is great because it obviates the need to mess with binaries on the host OS.

I have not documented the procedure yet but I hope to post something somewhere detailing all the steps. Honestly I don't understand the process well enough to explain yet. It's a lot of work and most of it was done by someone else on my team.

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  • Did you ever get around to this? This question came up today as an unanswered question. – Michael Hampton Nov 23 '20 at 11:24
  • No, we didn't need to mount the OS disk. We didn't need to access anything through UEFI to update the firmware. – mr.zog Jan 25 at 22:35

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