Raul Gonzalez digs into file snapshot backups in Azure:
One of the limitations for these ‘File Snapshot Backups’ (and probably the most important) is that all our databases files must be stored in the cloud, so we can take my previous post just as the preparation for what is coming now.
In order to move our files to the cloud we have different possibilities, one might be the typical approach where we’re allowed for some down time.
Check it out; you might want to give file snapshot backups a try.