discless
/ˈdɪskləs/adjective
1Having no disc, without a disc.
2 Astronomy. Originally: (of a celestial object) too small or too distant to show a disc. In later use also: (of a star) not accompanied by a planetary or protoplanetary disc.
3 Computing. Usually in form diskless. Of a workstation or other piece of hardware: not containing a hard disk, so relying on a central server for all data storage.
Origin
Mid 19th century. From disc + -less.