132 CHAPTER 8: MANAGING UNINTERRUPTIBLE POWER SUPPLIES
Figure4 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:
1Log in, using the root account, to the VCX server you want to designate
as the master.
2Enter 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