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Label
Description
1
PCM 0
2
Controller 1
3
Controller 0
4
PCM 1
5
PDUs
Network cabling
Your device is an active-standby confi guration: at any given time, one controller module is active
and processing all disk and network operations while the other controller module is standby. In the
event of a controller failure, the standby controller immediately activates and continues all the disk
and networking operations.
To support this redundant controller failover, you need to cable your device network as shown in
the following steps.
1. Your device has six network interfaces on each controller, four 1 Gbps, and two 10 Gbps
Ethernet ports. Identify the various data ports in the backplane of your device.
Figure 7 Back plane of your device showing the data ports
Label
0,1,4,5
2,3
6
2. For high availability (HA), the device requires a minimum of two connections for each controller.
a. The DATA 0 port is automatically enabled and confi gured via the serial console of the
device. Apart from DATA 0, another data port also needs to be confi gured through the
Management Portal.
b. Identify identical network interfaces on each controller. For instance, if you choose
to connect DATA 0 and DATA 3 for one of the controllers, you need to connect the
corresponding DATA 0 and DATA 3 on the other controller.
3. For HA, ensure that you connect:
a. Identical interfaces on each controller to the relevant network to ensure availability
Description
1 GigE network interfaces
10 GigE network interfaces
Serial ports
9
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