On Thu, Nov 26, 2020 at 1:04 AM Samuel Sieb <samuel@sieb.net> wrote:

Your original post was using the thick LV which doesn't support it. You
need to try it again now that you have a thin LV that does

Using fstrim now gives the output:

$ fstrim -v /
/: 584.8 GiB (627935141888 bytes) trimmed

Do I have to configure anything else ?

Regards,

Sreyan Chakravarty