Mix and match, according to criticity and max affordable data loss: multiple locations, multiple solutions, multiple local copies (e.g. one cloud solution + DVD

Mix and match, according to criticity and max affordable data loss: multiple locations, multiple solutions, multiple local copies (e.g. one cloud solution + DVD + NAS). See: https://www.backblaze.com/blog/the-3-2-1-backup-strategy/ https://www.backblaze.com/blog/the-3-2-1-backup-strategy/