IBM DS4700 manual Host-agent in-band management method, Direct out-of-band management method

Then, the server will be able to recognize the storage subsystem correctly for host-agent (in-band) management.

Host-agent (in-band) management method

This method requires host-agent software that you install on the host server. The host-agent software allows the DS4000 Storage Manager client program to manage the DS4000 Storage Subsystem using the same fibre channel connections between the host server and the storage subsystem. You must install at least one management station and a software agent host. The management station can be the host or a workstation on the Ethernet network. A management station will have the client software installed. Figure 81 shows the host-agent (in-band) management method.

Figure 81. Host-agent (in-band) managed storage subsystems

Table 34. Description of Figure 61

Number	Description
1	Two storage subsystems
2	Fibre channel I/O path
3	Host server
4	Ethernet network
5	Management station

Direct (out-of-band) management method

This method uses Ethernet connections from a management station to each controller. You must install at least one management station. The management station can be the host or a workstation on the Ethernet network. A management station will have the client software installed. Attach Ethernet cables to each management station (one pair per storage subsystem). You will connect the cables to each storage subsystem controller later when you install the storage subsystem. Figure 82 on page 104 shows the direct (out-of-band) management method.

102IBM System Storage DS4700 Express Storage Subsystem: Installation, User’s and Maintenance Guide