January 9, 20215 yr Weird Unraid USB Flash drive(Unraid 6.9 RC2) not seen unless I move it to a port on its own. This happened after I changed Video card from GT240 to GTX 1660 Super. MB is ASUS M5A97 R2.0. Originally the Unraid flash drive(is a USB 3.0 stick) was plugged into 1 of 2 USB 3.0 ports on the rear of MB. The other thing plugged into 2 of 2 USB 3.0 ports was the UPS. So tried putting the Unraid USB Flash drive on the front 1 of 2 USB 3.0 ports that already had a Logitech receiver. Bios saw the Unraid USB Flash drive but the keyboard wouldn't work. Moved the UPS USB to USB 2.0 port and put Unraid USB Flash drive back on rear USB 3.0 port, no go BIOS doesn't see it. Put Logitech receiver USB on rear USB 2.0 port and put Unraid USB Flash drive on front USB 3.0 by itself, this works. Weird?? Not a Unraid 6.9 RC2 issue but a MB BIOS issue.
January 10, 20215 yr Community Expert It is generally recommended that the Unraid boot drive be plugged into a USB2 port. You are just one of many persons who have found problems when the boot drive is plugged into a USB3 port. The only real boot drive activity on a properly setup Unraid server is during the actual boot process when it reads about 200MB of data as it installs the Linux OS into RAM from where it runs from that time forth. The additional speed of USB3 is a moot point in the performance of the server once it is up and running.
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