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132 CHAPTER 8: MANAGING UNINTERRUPTIBLE POWER SUPPLIES
Figure 4 Two UPS Devices Powering Redundant VCX Servers
When you have multiple UPS devices, you should connect each UPS to
different mains circuits if possible.
Dual UPS System – Configuring the Master VCX Server
To enable and configure a VCX server as the master in a multiple UPS
system:
1 Log in, using the root account, to the VCX server you want to designate
as the master.
2 Enter the following command:
vcx-ups-setup <configuration_parameters>
You must concatenate the following vcx-ups-setup command
configuration parameters (responses are shown in bold):
-- master: Y
Enter Y (you must uppercase) to designate this server as the master.
-- monitormultipleups: Y
UPS
UPS
VCX Server
VCX Server
Primary IPM
Server
Secondary IPM
Server