On Sat, 11 Apr 2020 17:12:55 -0700
Samuel Sieb wrote:

> "lsusb -t" will show you what ports things are plugged into.  The 
> backups might have been working but was it running at USB3 speeds or 
> just USB2?  The cable might be perfectly fine for USB2, but it sounds 
> like the system thought it should be a USB3 device, but it wasn't working.

Maybe it is just USB drive weirdness. Each drive I have apparently
includes a hub, not just a direct drive connection (some sort
of nonsense related to the Windows encryption stuff I utterly
ignore). Usb 2 port 8 is apparently the hub, not the drive:

/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/10p, 10000M
    |__ Port 3: Dev 2, If 0, Class=Mass Storage, Driver=usb-storage, 5000M
    |__ Port 5: Dev 3, If 0, Class=Mass Storage, Driver=usb-storage, 5000M
    |__ Port 8: Dev 4, If 0, Class=Hub, Driver=hub/4p, 5000M
        |__ Port 1: Dev 5, If 0, Class=Hub, Driver=hub/4p, 5000M

I swear the next time I get a new backup drive it is simply going
to be one of those devices you can plug a sata disk into to talk
over USB. Protect me from all the "helpful" features :-).
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