we replicate storage both in the same region (on multiple nodes) and in another close region (for redundency). a similar thing is done by aws with EBS. it's rep

we replicate storage both in the same region (on multiple nodes) and in another close region (for redundency). a similar thing is done by aws with EBS. it's replicated in a region in a single availability zones and you pay extra if you want backups to s3 or replication in multiple availability zones.