On 5 May 2020, at 03:57, Ed Greshko <ed.greshko@greshko.com> wrote:

FWIW, I generally use lvresize and only on unmounted file-systems.
I'm pretty much sure that is what the warning is trying to tell you.
Having an active filesystem during a resize operation sounds dangerous to me.

(I've not used LV's much recently)

I use "lvresize -L+${size}G --resizefs ${name}" often and its very safe to do on a live file system.

Barry