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Figure 2 HP M6720 Drive Enclosure (4U24) 3.5-inch LFF
In the HP 3PAR Management Console or CLI, the enclosures are displayed as follows: DCS2 for
the 2U24 (M6710), DCS1 for the 4U24 enclosure (M6720), and DCN1 for the 7200 or 7400
controller node enclosure.
Controller Nodes
The controller node is a storage system component that caches and manages data in a system and
provides hosts with a coherent, virtualized view of the system. Controller nodes are located in the
rear of the node enclosure.
The HP 3PAR StoreServ 7200 Storage system contains two nodes: node 0 and node 1. The HP
3PAR StoreServ 7400 Storage system can contain two nodes or four nodes: node 0 and node 1
in the lower controller enclosure, and node 2 and node 3 in the upper controller enclosure in a
system with four nodes.
Figure 3 HP 3PAR StoreServ 7200 Controller Nodes
Figure 4 HP 3PAR StoreServ 7400 Controller Nodes
10 Identifying Storage System Components