When delivering a Huawei flash storage project, an engineer introduced the SAN/NAS Integrated architecture to...

The protocol layer is responsible for protocol parsing and permission management. SAN and NAS are two sets of semantic logic. Therefore, different service entry components are used.

The space management layer uses the active-active high reliability mode to provide reliable data protection capabilities based on actual service scenarios of customers.

The software architecture consists of the following layers from top to bottom: protocol, data service, cache, file and block space management, and storage pool.

At the protocol layer, NFS/CIFS supports direct TCP offload engine (DT06), while ISCSI does not.