I'd be interested in hearing some thoughts on backing up. Would rsync to S3 happening regularly be an adequate solution? Figure if it is on a cron and it fire

I'd be interested in hearing some thoughts on backing up. Would rsync to S3 happening regularly be an adequate solution? Figure if it is on a cron and it fires every other minute, the deltas would be pretty small, and not much would be lost if a datacenter or cluster goes down.