Config works in VM using installTest but install fails on hardware about disko HOT 6 CLOSED

You can add boot.debug1devices to your kernel cmdline. Than you will be dropped into a shell from which you can run lsblk to see what devices it can find. Also modprobe for the drivers that might be missing. You can also run lsmod to compare device drivers you can see in the installer vs in the booted system.

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Have you imported the hardware-configuration generated nixos-generate-config --no-filesystems --root /mnt? You are likely missing the nvme kernel driver to load the block device. The configuration generated by this command should have those drivers. Something like that might also work: https://github.com/Mic92/dotfiles/blob/6575c3c482e38d8caba20168edc0ecb93ee26dcb/nixos/eve/hardware-configuration.nix#L13

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Cannot find the import here: https://github.com/djacu/nixos-config/blob/a0153b5e69e38e13be46207becc7b947e8d8774d/hosts/adalon/configuration.nix

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I am bit confused by the error message:

cannot import 'rpool': more than one matching pool

Might be misleading, as @Mic92s suggestion seens plausible to me as well. But if the error persists with the nvme module, it might be worth double checking whether there is another zpool (i.e. is there a second disk? what does zpool import show on the machine?

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@Mic92 Yes I import the hardware-configuration.nix file per steps 4-7 I mentioned above. And I've tried this multiple times so it isn't a one off fluke. For reference, the hardware-configuration.nix file looks similar to this but without all the fileSystem options.
https://github.com/djacu/dotfiles-framework/blob/main/system/hardware-configuration-zfs.nix

@phaer Pretty sure I checked once and there was only a single zpool but I'll check again.

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Thanks all for the help. I resolved the issue by stripping the config down to the bare minimum and building it back up from there. It now works and you can see the working config in #456 where I found an interesting issue related to adding a swap partition.

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