Thierry de Coulon wrote:

> I am in need of backuping quite a volume of data, so DVD's would feel like
> old time floppy backup. I was thinking of turning to blu-ray (M-Disc as
> they advertise long life).
> 
> Does anyone know if TDE's k3b can write on Blu-ray, or would I have to
> install KDE's (or rather some Gnome stuff?). Debian Buster here.

apart from the blu-ray question regarding k3b

why don't you use external hard drive?
IMO optical media for backup is not reliable
Also I can recommend borg as it deduplicates, so you'll save a lot of space.

if I were you, I would go this way.