3. If a control enclosure is already installed, you can optionally add fibre channel
connections between all the control enclosures.
v This involves both the physical installation of the cables and configuring the
correct zoning on the Fibre Channel switches.
v Configure the network so that every node canister has at least two
connections to every node canister in a different control enclosure.
v You must configure the network before attempting to add a new control
enclosure to an existing system.
Powering on the system
After installing all hardware components, you must power on the system and
check its status.
About this task
Attention: Do not power on the system with any open bays or slots.
v Every unused drive bay must be occupied by a filler panel.
v Filler plates must be installed in all empty host interface card slots.
Open bays or slots disrupt the internal air flow, causing the drives to receive
insufficient cooling.
Procedure
To power on the system, complete the following steps.
1. Power on all expansion enclosures by connecting both power supply units of
the enclosure to their power sources, using the supplied power cables. If the
power sources have circuit breakers or switches, ensure that they are turned on.
The enclosure does not have power switches. Repeat this step for each
expansion enclosure in the system.
Note: Each enclosure has two power supply units. To provide power failure
redundancy, connect the two power cords to separate power circuits.
2. From the rear of the expansion enclosure, check the LEDs on each expansion
canister (see Figure 27 on page 28).
fab10011
Figure 26. Example configuration with four Fibre Channel cables per canister
Chapter 2. Installing the hardware 27
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