rh535 Posted December 3, 2017 Share Posted December 3, 2017 (edited) I have been running my unraid server since about Feb. 2017 with great success. Much of it thanks to you all. Unfortunately, i can't figure out how to fix this situation. I stopped my array and turned off my server to plug it into a new UPS/Surge protector. Ever since i plugged my server into the unit i have gotten this error after trying to boot into the server. end kernel panic - not syncing: VFS: unable to mount root fs on unknown-block(0,0) I removed my usb flash drive and checked the drive in Windows 10 and no errors were reported. I also ran a memtest for over 3 hours and no errors. Any thoughts on how to correct this? Edited December 3, 2017 by rh535 Quote Link to comment
JorgeB Posted December 3, 2017 Share Posted December 3, 2017 Redo your flasdrive or try with a new one just to see if it boots. Quote Link to comment
pwm Posted December 3, 2017 Share Posted December 3, 2017 Windows doesn't check if the USB is bootable - just if it (potentially after a file system repair) seems to be readable. So as @johnnie.black recommends - regenerate the flash drive or possibly replace it. But take care to make a copy of the configuration first. Quote Link to comment
rh535 Posted December 3, 2017 Author Share Posted December 3, 2017 2 hours ago, pwm said: Windows doesn't check if the USB is bootable - just if it (potentially after a file system repair) seems to be readable. So as @johnnie.black recommends - regenerate the flash drive or possibly replace it. But take care to make a copy of the configuration first. 5 hours ago, johnnie.black said: Redo your flasdrive or try with a new one just to see if it boots. What is the best way to accomplish this? Quote Link to comment
JorgeB Posted December 3, 2017 Share Posted December 3, 2017 Copy the config folder, redo the flash drive and copy it back. 1 Quote Link to comment
rh535 Posted December 3, 2017 Author Share Posted December 3, 2017 I just ran a Dell Bios system scan of components and it came back with an error for my SSD drive (cache drive). Can i just unplug my cache drive and see if then boots up correctly? I don't want to make it worse, so i thought i would ask first. Quote Link to comment
JorgeB Posted December 3, 2017 Share Posted December 3, 2017 11 minutes ago, rh535 said: Can i just unplug my cache drive and see if then boots up correctly? Yes, but if the array is set to auto start and you're using Docker and/or VMs and depending how they are configured it may create duplicate images. Quote Link to comment
rh535 Posted December 3, 2017 Author Share Posted December 3, 2017 Thank you both! I got a new flash drive and everything is back up and working. Quote Link to comment
Aznflipfoo Posted January 20, 2021 Share Posted January 20, 2021 On 12/3/2017 at 1:22 PM, rh535 said: Thank you both! I got a new flash drive and everything is back up and working. Hey how did you manage to get this working? I am in the same boat right now and can't figure out how to get a new flash drive to fix this Quote Link to comment
trurl Posted January 20, 2021 Share Posted January 20, 2021 6 hours ago, Aznflipfoo said: get a new flash What have you tried? Quote Link to comment
charlesshoults Posted November 22, 2022 Share Posted November 22, 2022 I'm experiencing a kernel panic when UnRaid tries to check the array, about halfway through, so I'm trying to go through the process to backup the flash drive and transfer it's files to a new one. https://wiki.unraid.net/Manual/Changing_The_Flash_Device However, after bringing UnRaid back up and clicking on "Registration Key", I have no button for "Replace Key". How do I proceed? I've emailed support while I wait. "If you want to replace your Registration key with a new key bound to this USB Flash device, click Replace Key below." Not there. Quote Link to comment
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