Francis Posted August 13, 2022 Share Posted August 13, 2022 I have used Unraid with a Sandisk Cruzer USB 2.0 flash drive, as well as a no-name generic flash drive. Both of these work for Unraid, however, as soon as I shut down the server for the first time, the USB drive appears to be permanently corrupted. Windows reports "The USB drive has malfunctioned" and won't even let me view partitions or similar in disk management. I don't really want to plug in a third drive and have it be permanently bricked too. Any suggestions? I know this isn't a server hardware issue, as I have used this motherboard with usb drives before with no issues. Quote Link to comment
JorgeB Posted August 13, 2022 Share Posted August 13, 2022 Try a different one, don't see how Unraid can kill a flash drive after one boot. Quote Link to comment
itimpi Posted August 13, 2022 Share Posted August 13, 2022 43 minutes ago, JorgeB said: Try a different one, don't see how Unraid can kill a flash drive after one boot. Makes one wonder if the flash drives are 'fake'. If not suggests something at the hardware level is corrupting the flash drive. Quote Link to comment
Francis Posted August 14, 2022 Author Share Posted August 14, 2022 (edited) That's what I'm curious about. One drive I shut down and then it wouldn't boot again, and wouldn't read in my PC. The other drive, I attempted to restart the server, with the same result. I've used this motherboard (and one of the dead flash drives) for another system earlier, so I don't _think_ it's a hardware fault? I wonder if my Unraid image was corrupt somehow that I've been using to install it. Edit: I allowed the array to build fully for the first time, then backed up the flash with the "My Servers" tool and shut down the system. Result: a third flash drive is dead and the server won't boot with it anymore. Sigh. Before using this flash drive, I did a full verification with h2testw and it passed. The error I get on my PC is "request for the usb device descriptor failed." Edited August 14, 2022 by Francis Quote Link to comment
Francis Posted August 17, 2022 Author Share Posted August 17, 2022 An interesting update - I was able to recover the failed drives and manually reflash them with a backed up image from my servers, and they were able to boot properly. Interestingly, this still occurs regularly, but only on a clean shutdown - when I lost power, the array immediately started back up with no flash drive issues. I then shut down the array normally, and immediately the drive died and could not be used. I wonder if this is possibly something that is happening at the motherboard level? I have used this motherboard and these drives before, but I've never had one plugged in during a planned shutdown. Anyone know of anything that could be killing drives but only during intentional shutdown events? Quote Link to comment
JorgeB Posted August 18, 2022 Share Posted August 18, 2022 No idea, never seen anything similar before, but I believe it can only be hardware related. Quote Link to comment
Solution Francis Posted September 6, 2022 Author Solution Share Posted September 6, 2022 I've solved it! For anyone else experiencing this issue with an intel 12th gen motherboard - the issue ended up being USB power in the "soft off" (S5) state. For some reason, setting that to OFF prevented the USB port from properly supporting boot-from-usb on the next boot. Re-enabled USB power in soft off and I have had no further issues. 1 Quote Link to comment
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