no access to external USB disk

Hello,

I’m using a TS-220 with QTS v 4.3.3.2784 for several years now with an external Disk (USB) attached to it for storage that doesn’t need to be mirrored.

For years I didn’t have any problems to share and mount this device without any problems.

Suddenly, I don’t know when it started, the disk is not available anymore. Automatic mount (in ftab) and manual mount doesn’t work. I verified the privileges on the share and it looks good. Share to user and to a group. Both should give access to the share. When mounting manually I’m getting the message “access denied by server while mounting 192.168.1/105:/USBDisk1”.

A showmount - e 192.168.1.105 shows the USB Disk as a valid share.

Any idea what I have to do to get the mount working again?

TIA

And that is still the same disk? These 15+ year old NAS do not support disks larger than 16TB No matter if internal or external

Mount it on a PC/MAC and run the manufacturer diagnostic tools on it. If it passes, it could be as simple as deleting and recreating the partition and reformatting. After numerous years, it could just be minor corruption, or signs of a larger issue. You may want to consider a new or alternative backup destination.

Also, what client device are you mounting to? Windows, macOS, etc…

What protocol? SMB, NFS, something else?

It’s a Seagate Barracude 2TB to be mounted via nfs on Linux Mint v22.x

Can you please confirm this is the actual syntax you used? There’s a forward-slash where there should be a period.

sorry, it was 192.168.1.105:/USBDisk1

Thought I’d give this a go. I have a TS-220 running the same firmware as yours. I spun-up a Mint 22.3 VM and had no trouble accessing NFS shares from this NAS in the VM, including a share on an external (USB) drive connected to the front of the NAS.

I then ejected the drive through the QTS UI, unplugged the USB cable, and reconnected it.

At this point, the QTS UI is no-longer able to see the external drive. It can be seen at the CLI and is being assigned a consecutive drive-letter each time the drive is plugged-in. QTS is even sharing the drive automatically, although it’s being assigned the default QTS NFS permissions (no-access).

This looks like a bug. It’s unlikely QNAP will fix it as this is an EOL firmware version. You could try creating a support ticket and asking them, but I doubt they’ll do anything with it.

Might be time for a new NAS? The current model in this line is the TS-233.

Thanks for taking the time.

The normal nfs shares from the NAS are no problem and the USB Disk was working until recently. I can’t say when it stopped mounting it. When running showmount I can see the USB drive but the mount is not finishing successfully. Share: successfully, mount; failing.

Maybe is more on the Linux Mint side than on the NAS side.

There was also no update recently for QTS, so I don’t know what is making the trouble now.

Will continue tinkering.

I agree, just wanted to mention the bug I found as there’s at-least one there that won’t be fixed. Suspect your actual fault is on the Mint side too, as the fault isn’t the same as the one I saw.

BTW: which Mint 22 are you running?

Mint v22.1

Since you have already tried using the showmount command (typically used for NFS), have you also attempted to test with an SMB mount?

Thanks!

From Mint Cinnamon I’d try:- smb://192.168.1.105/USBDisk1/

Desktop launcher:- nemo “smb://192.168.1.105/USBDisk1/”

or

nemo smb:”//192.168.1.105/USBDisk1/”

i.e. no colon after the IP.

no, haven’t tried samba yet. used always nfs.

will try it later when the disk is attached again (after testing).

Thanks