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SAN vs NAS vs Object store

NAS: Good at secure file sharing. Can become siloed. Scale-out NAS potentially good at scale. Bad at extreme scale.

SAN: Good at transactional and database workloads. Can be expensive.

SAN and NAS: Both can come with advanced storage features, such as replication. Both can be relatively costly compared with object storage on commodity hardware, although both SAN and NAS software-defined storage are available. Both lack the rich metadata of object storage.

Object storage: Very scalable, suited to unstructured data and large datasets, potentially good for analytics via rich metadata. Lacks high-end performance and data protection is slow across clusters. Can be very cost-efficient, hardware-wise.
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