The ability to automatically move data between tiers of storage is now built into file systems and storage controllers. Tape has improved in its reliability, its performance and increased its lead in cost for capacity. Tape is ideal for this use case. Tape libraries can select a tape cartridge, load it and position it to the right location in less than a minute. With tape we can get the data back and as we indicated in a recent briefing note, tape library vendors are adding off-line verification capabilities.”]
Source: https://www.darkreading.com/database-security/the-passive-primary-storage-tier