Check out zfec - dead easy to add erasure coding to your backup scripts. My cold storage files look something like Archive.tar.gz.gpg.split.fec. Although I don

Check out zfec - dead easy to add erasure coding to your backup scripts. My cold storage files look something like Archive.tar.gz.gpg.split.fec. Although I don't split across too many failure domains, it still protects against isolated bitrot.