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Take caution to prevent overloading the power outlets when you install multiple
devices.
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Do not run cables in front of or behind other devices that will prevent service
access to those devices.
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Label all cables so that they are clearly distinguishable from each other.
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When verifying the cabling for devices on sliding rails, do the following:
— Make sure that the cables cannot be pinched or cut by the rack cabinet rear
door or other devices.
— Run external cables through the opening in the bottom of the rack cabinet.
— Leave enough extra cable so that the device can fully extend without putting
strain on the cable.
— Secure the cables so that the device can retract without pinching or cutting
the cables.
Figure 1. Routing the server cables
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When verifying the cabling devices on non-sliding rails, do the following:
— Run the cables neatly along the rack cabinet posts.
— Use the cable straps provided to secure the cables as necessary.
— Make sure that the cables cannot be pinched or cut by the rack cabinet rear
door or other devices.
— Run external cables through the opening in the bottom of the rack cabinet.
Make sure that the power switches on all devices are off; then, use the following pro-
cedure to install and verify the cabling of the cluster components:
Attention: Some devices might automatically turn on when you plug them into a
power source. If this happens, turn those devices off by pressing the power button.
1. Before you install any devices, make sure that you are in a location where you can
connect your cluster to your public network.
Attention: Before you turn on the servers and configure the software, you must
connect servers in your cluster to active ports on your public network. Make sure
that the location you choose for your cluster installation provides access to these
network connections.
Chapter 2. Unpacking and installing the hardware
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