My backup strategy is - and happy for anyone to comment on any shortcomings they see - :
- I back up using TimeMachine using standard settings (that is local snapshots, hourly backups, daily backups)
- I backup using CCC every 8 hours with SafetyNet and Snapshots
- I make a monthly backup of DT databases to WORM media, which is then stored off-site.
- I backup some databases every 8 hours using Arq
The backups to CCC and TimeMachine are to a set of disks which I cycle approx every 3 weeks; I use three sets. Those not in use are stored off-site.