I'd be interested to see your disaster recovery plans for each choice you've made. When any of those fail what do you do for continuity? How do you back up your

I'd be interested to see your disaster recovery plans for each choice you've made. When any of those fail what do you do for continuity? How do you back up your data? What's your failover time between the site being down or other issue and being able to switch to different service? Or is there no plan because all websites are assumed always up... ?