> CoW backend allows for nearly instant snapshots and clones
LOL => A 80GB EBS SSD snapshot takes more than 1 hour.
Subsequent snapshots are incremental and will be less slow.
> multi server/rack redundancy with EC
You can move drive manually after you stop an instance, if that's what you call redundancy.
> ability to scale up with provisioned IOPS
Nope. You need to unmount, clone the existing EBS volume to a new EBS volume with different specs, and mount the new volume. You can't change anything on the fly.
The last time we had to change a 1TB drive from a database, we tried it on a smaller volume... then we announced that it would be a 14-hours-of-downtime-maintenance-operations (if we do it this way) :D
LOL => A 80GB EBS SSD snapshot takes more than 1 hour.
Subsequent snapshots are incremental and will be less slow.
> multi server/rack redundancy with EC
You can move drive manually after you stop an instance, if that's what you call redundancy.
> ability to scale up with provisioned IOPS
Nope. You need to unmount, clone the existing EBS volume to a new EBS volume with different specs, and mount the new volume. You can't change anything on the fly.
The last time we had to change a 1TB drive from a database, we tried it on a smaller volume... then we announced that it would be a 14-hours-of-downtime-maintenance-operations (if we do it this way) :D