what is the VDX version?You can try disable and re-enable usb by using "usb off" and "usb on".Other option is actually reformatting it.https://extreme-networks.my.site.com/ExtrArticleDetail?an=000085660
To copy to an external source, you can use below command: copy running-config scp://<username>:<password>@hostname/<filepath># copy running-configPossible completions:flash:// copy running-config to local flash. path syntax flash://<filename>ftp:// c...