lsblk odd results

[Grizzly]

22 February 2019  at 11:10, Ralf Mardorf via ubuntu-users wrote:
Re: lsblk odd results (at least in part)

>On Fri, 22 Feb 2019 09:45:24 +0000, Colin Law wrote:
>>On Fri, 22 Feb 2019 at 09:30, Grizzly wrote:
>>> Your output was correct but my own case still seems off, the USB
>>> sticks "should" not appear as rotational? and that brings the
>>> validity of my test(s) into question, I could be wrong about which
>>> (if any) of my drives are SSD's but not wrong about the USB sticks  
>>
>>My suspicion is that the system cannot tell whether a USB stick is
>>rotational or not (it may be a USB plugin rotational disc or plugin
>>SSD), though I may well be wrong and shall not be surprised if someone
>>corrects me.
>
>I don't know the reason for it, but at least I can confirm that an USB
>stick is shown as a spinning device and that this is issue isn't
>related to Ubuntu and/or Grizzly's install.
>
>$ lsb_release -d
>Description:	Arch Linux
>$ lsblk --v
>lsblk from util-linux 2.33.1
>$ lsblk -d -o NAME,ROTA
>NAME ROTA
>sda     0 an internal ssd
>sdb     0 an internal ssd
>sdc     0 an internal ssd
>sdd     0 an internal ssd
>sde     1 an USB stick
>sdf     1 an USB HDD
>sr0     1 an internal DVD drive

>I wonder what would happen, if I would connect an USB SDD.

Or a Smart Mem card in a dedicated slot