I don't think so, PD and GCS are fundamentally different products. PD is like the local disk, and you cannot assume it last forever. while GCS is durable storag

I don't think so, PD and GCS are fundamentally different products. PD is like the local disk, and you cannot assume it last forever. while GCS is durable storage and it is safer. " This outage is wholly Google's responsibility. However, we would like to take this opportunity to highlight an important reminder for our customers: GCE instances and Persistent Disks within a zone exist in a single Google datacenter and are therefore unavoidably vulnerable to datacenter-scale disasters. Customers who need maximum availability should be prepared to switch their operations to another GCE zone. For maximum durability we recommend GCE snapshots and Google Cloud Storage as resilient, geographically replicated repositories for your data. " In a cloud based infra, one still needs to know the difference. And for the ultra-low numbers, they are from mathematics I think. (# replicas, possibly cross DC/geo)