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Chapter 10. Conﬁguring the LVS Routers with Piranha Conﬁguration Tool 119

Figure 10-3. The GLOBAL SETTINGS Panel

The top half of this panel sets up the primary LVS router’s public and

private network interfaces. These are the interfaces already conﬁgured in

Section 9.1.1 Conﬁguring Network Interfaces for a NAT LVS Cluster.

Primary server public IP

In this ﬁeld, enter the publicly routable real IP address for the primary LVS node.

Primary server private IP

Enter the real IP address for an alternative network interface on the primary LVS

node. This address is used solely as an alternative heartbeat channel for the backup

router and does not have to correlate to the real private IP address assigned in

Section 9.1.1 Conﬁguring Network Interfaces for a NAT LVS Cluster. You may leave

this ﬁeld blank, but doing so will mean there is no alternate heartbeat channel for the

backup LVS router to use and therefore will create a single point of failure.

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Red Hat CLUSTER SUITE 4.7 DM MULTIPATH Guide d'installation Page 135