They don't have remote attached storage, it's all local on the node, lvm based volumes. The data persistence is 24hr or manually created lvm snapshots that are exported to s3.
It's really not a place to run persistent workloads. If you run postgres there, you need to be prepared to either hot load your data into a new instance, or restore from backups.
It's really not a place to run persistent workloads. If you run postgres there, you need to be prepared to either hot load your data into a new instance, or restore from backups.