Video of ceramic storage system prototype surfaces online — 10,000TB cartridges bombarded with laser rays could become mainstream by 2030, making slow hard drives and tapes obsolete::Ceramics-based storage medium consumes very little energy and lasts more than 5,000 years, creators say
And what do you think CD writers are? I’m not talking about rewriteable CDs here. Normal burn once CDs. You could write some files, then decide to replace a file and add more.
Look up cd sessions. Until you finalized it, and as long as there was still free space, you could add, modify and delete data on it.