Service availability expectation is high nowadays. Customers expect everything is always up and running any time for usability.
Backup for recovery becomes challenging: platform & applications, system configuration and application data are changing at different frequencies. It is necessary to formulate the backup strategy at design stage or be part of the major change to meet the recovery time objective by deploying viable technologies.
GFS (Grandfather, Father, Son), or 3 generations, is still considered as the minimum set for full backup to recover the entire system at certain point in time. It’s how frequent this is done and what are other business continuity activities to complement the “outdated” information.