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2. Device Tree Diagram

Through the device tree diagram, the server devices can be organized into a tree-shape management structure with clear management. Depending on

the management needs, different management models can be employed, such as:

(1) Organize according to the physical space model which is "Machine Room --> Floor --> Room --> Rack Row --> Rack --> Server Devices" and

organize by device group including devices or sub device group.

(2) Organize according to the model of device manufacture which is "Device Manufacture --> Server Device".

In Smart Grid, the system has built two default groups "Lenovo" and "UnGrouped" that cannot be deleted. They are designed to automatically add all

ThinkServer severs found by device auto discovery into the "Lenovo" device group, and to add all non-ThinkServer servers into the "UnGrouped"

device group.

When Smart Grid exercises the power consumption control on the device group, Smart Grid will allocate the available power based on the priority of

the devices in the device group. Under the equivalent conditions, the devices that have higher priority will receive more power than the devices that

have lower priority.

Through the device tree diagram, adding, editing and deleting server devices as well as setting the group that a device belongs to and setting the

priority of a server device can be achieved.

The user interface of the device tree diagram, as illustrated below:

3. Device Groups

In the screen device groups, adding, editing and deleting a device group as well as changing the status of a device group can be achieved.