December 29, 20178 yr Hi everyone, I am new to Unraid. Played around with settings for a couple days. After putting unraid on a public ip and getting my vms(windows 10) compromised, I erased my usb stick and installed unraid again and put my array behind a router (highly recommend this to everyone for security concerns). I put exactly the same hdds as before to parity, disks and cache so that I don't need to do preclear and parity building again. Now comes my problem. I saw a zero size device in unassigned devices, see the screenshot below. In tools/system devices, it shows: [0:0:0:0] disk SanDisk Ultra Fit 1.00 /dev/sda 30.7GB [1:0:0:0] disk USB Mass Storage Device /dev/sdb - Looks like /dev/sdb is a usb drive. But I do not have a second usb plugged to my machine. I also tried to 'mount /dev/sdb /mnt/tmp', it returned 'no medium found on /dev/sdb'. Does anyone know what exactly is this /dev/sdb? This doesn't affect usage of my array, but it bothers me a lot, lol. Please help me if you have any idea. Thanks in advance. Edited December 29, 20178 yr by thupig
December 29, 20178 yr Author 26 minutes ago, johnnie.black said: Card reader? As far as I know, there is no card reader in my machine. I am using this case to hold my array. Do you know any way/commands to check which sataport/pcislot/etc.. this '/dev/sbd' is plugged in so I can open the case and locate it on the mother board. Edited December 29, 20178 yr by thupig
December 29, 20178 yr Author 14 minutes ago, johnnie.black said: Post your diagnostics, it may help to identify de device. Can you be a little more specific about which diagnostics file I should post here? I download it and there are too many files in there. Kind of confused.
December 29, 20178 yr Author 13 minutes ago, johnnie.black said: Tools -> Diagnostics Post the complete zip. See attached. Thanks a lot. tower-diagnostics-20171229-0929.zip
December 29, 20178 yr Community Expert Can't see what it is due to the generic name, though it does look like a single card reader, only thing I can say it that it's connected on the same Intel USB 3.0 ports as your flash drive, and for better reliability you want to use an USB 2.0 port for the unRAID flash drive.
December 29, 20178 yr Author 2 hours ago, johnnie.black said: Can't see what it is due to the generic name, though it does look like a single card reader, only thing I can say it that it's connected on the same Intel USB 3.0 ports as your flash drive, and for better reliability you want to use an USB 2.0 port for the unRAID flash drive. Thanks. You are right, it is connected to the same USB 3.0 port as my flash drive. And I think it's actually the same flash drive as my unraid boot device. I am wondering if it has something to do with my formatting the flash. Maybe I did in a wrong way. I'll try to plug it into a USB2.0 port later on when I get to my office and see if it fixes the problem.
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