olemus
(a) faili salvestus mitme etteantud suurusega failina
= file storage as multiple files of predetermined size
https://en.wikipedia.org/wiki/File_spanning

(b) mahukate andmete salvestus automaatse mitmele väliskandjale jaotamisega
= voluminous data storage with automatic distribution to several external media
https://en.wikipedia.org/wiki/Disc_spanning