Probing Block Devices...not supported

fribble

Cadet
Joined
Jun 7, 2021
Messages
1
Hello,

I am finishing up a home build:

Board: Supermicro X10DRH-iT (E5-2690 v4 x 2) and 128 GB RAM.
Boot: Mirrored Micron 5300 Max SSDs via LSI-9300-8i controller running 16.0.12.0 IT firmware.
Data: RaidZ2 on an 8 disk (6TB) WD Gold array on a separate LSI-9300-8i controller with 16.0.12.0 IT firmware
System: TrueNAS-12.0-U3.1

This system is setup in EFI mode and I have configured the basics--completed badblocks and SMART scans on the WD drives--it has been stable over several weeks.

What has perplexed me is that I am getting the message: "Probing 35 block devices...not supported..." at boot. I have attached some screen grabs. This message has occurred with a different controller (9211-8i LSI card) and a different drive (Intel DC P3605 NVME card) as well.

Ultimately, it boots and nothing else seems to be wrong, but the numerous "not supported" messages has triggered my OCD.

I know that BIOS mode is recommended for "enterprise hardware" and that this could be a consequence of using EFI over BIOS, but I wanted to know if this is possibly "cosmetic" before i nuke this install and revert to BIOS.

Second (probably dumb) question: Will a config backup from the EFI install work on a BIOS install?

Any help or guidance or wisdom is appreciated. Thanks!
probing.jpg
probing2.jpg
 

Cyberpower678

Dabbler
Joined
Jul 27, 2020
Messages
37
This is perfectly normal. It's just scanning your attached devices for a boot device. As long as you have one "better" pop up in there, which you do, you are fine.
 
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