I'm wondering when replicated storage systems like Mayastor should actually be used.

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I'm wondering when replicated storage systems like Mayastor should actually be used. For most Stateful applications such as CNPG or MinIO, it seems that they typically rely on local storage—like Local PV Hostpath. In this case, high availability is already ensured by the local storage attached to pods running on different nodes, so I'm trying to understand when and why replicated storage is necessary.

My current understanding is that if a Stateful application runs as a single pod, then you might need replicated storage to guarantee high availability of the state. But are there other use cases where replicated storage is recommended?