Hi, I have recently (In the last 2 days) setup an unRAID server on my Dell r810. After the first parity sync had finished, I stopped the array and started the update to 6.7 from 6.6.7. After the download had finished successfully my server rebooted and is now not booting due to the flash drive displaying a "Boot Error".

 

I have checked the flash drive's contents and my config is still intact, but how can I roll back to 6.6.7 when I'm unable to boot the OS in the first place or fix the error which is causing the OS not to boot.

 

Thanks.

You can downgrade by moving the contents of the previous folder on the flash drive to the root

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Thanks for your suggestion but this did not work sadly. I ended up having to install 6.7 from the MacOS USB creator due to the Windows application giving the same error for both 6.7 and 6.6.7 then copying back across my original config folder manually.