- Does Nebula Operator support v1.x ?
v1.x does not support DNS and Nebula Operator requires this feature, it's not compatible.
- Whether guarantees cluster stability if using local storage ?
There is no guarantee that using local storage, it means that the POD is bound to a particular node. Operators do not currently have the ability to failover when the bound node goes down. This is not an issue with network storage.
- How to ensure the stable availability of scaling cluster ?
It is recommended to backup data in advance, so as you can go back if failed.