In the last couple reboots I did i have not able to boot back up, it fails see picture (boot2.png, boot4.png).

It passes the unraid blue screen (boot1.png) but it fails to mount /boot ?!, Even if i reboot again still stay at screen (boot3.png)

The fix was to unplug the usb drive and plug in back in and it booted normally, but right now it doesn't boot , it shows the same errors.

I tried on current server to boot and reboot other usb drive with unraid and it boots fine.

I tried to put the problem usb drive it in other server and it boot fine.

I plug in the problem usb drive in my computer and it shows fine all the files and no errors detected.

Is the usb drive failing ? Should i replace it ?

Please let me know what diagnostics i can provide.

Edited April 22Apr 22 by ttoni

Looks like a USB issue; if another flash drive works fine with the same config, I recommend replacing it.

I replace it.