FWIW, I changed my notebook and reinstalled 18.04.2 64-bit on the new machine.
I then plugged my 4 external disks (see comment #6) to the new machine.
And much to my dismay, when plugged into USB 3.x ports, the disks didn't mount...
It did on USB 2.0 ports, though.
Looking at sysdev reminded me of this problem I had experienced in 2016 on the same devices, and the same fix worked just as well:
- Creating a "blacklist-uas-on-quirks.conf" in /etc/modprobe.d and
- Adding the line
options usb-storage quirks=059f:105e:u,059f:107e:u
in the file to blacklist uas for the two listed devices and use usb-storage instead.
FWIW, I changed my notebook and reinstalled 18.04.2 64-bit on the new machine.
I then plugged my 4 external disks (see comment #6) to the new machine.
And much to my dismay, when plugged into USB 3.x ports, the disks didn't mount...
It did on USB 2.0 ports, though.
Looking at sysdev reminded me of this problem I had experienced in 2016 on the same devices, and the same fix worked just as well: uas-on- quirks. conf" in /etc/modprobe.d and 059f:105e: u,059f: 107e:u
- Creating a "blacklist-
- Adding the line
options usb-storage quirks=
in the file to blacklist uas for the two listed devices and use usb-storage instead.
That fixed it for me.