Dell PS4100 Hardware-Handbuch - Seite 11

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Cluster Hardware Cabling

This section provides information on cluster hardware cabling.

When installing a cluster configuration in a rack, you must include a switch box to connect the mouse, keyboard, and

monitor to the nodes. For instructions on cabling the connections of each node to the switch box, see the documentation

included with your rack.

See the documentation for each component in your cluster solution to ensure that the specific power requirements are

satisfied.

The following guidelines are recommended to protect your cluster solution from power-related failures:

•

For cluster nodes and storage arrays with multiple power supplies, plug each power supply into a separate AC

circuit.

•

Use uninterruptible power supplies (UPS).

•

For some environments, consider having backup generators and power from separate electrical substations.

The following figures illustrate recommended methods for power cabling a cluster solution consisting of two Dell

PowerEdge systems and one storage array. To ensure redundancy, the primary power supplies of all the components

are grouped into one or two circuits and the redundant power supplies are grouped into a different circuit.

Figure 2. Power Cabling Example With One Power Supply in PowerEdge Systems

1. cluster node 1

2. cluster node 2

3. primary power supplies on one AC power strip

4. EqualLogic PS series storage array