The REDUNDANCY panel allows you to
configure of the backup LVS router node and set various heartbeat
The first time you visit this screen, it displays an "inactive"
Backup status and an ENABLE button. To configure the backup LVS router,
click on the ENABLE button so that the
screen matches Figure
Figure 10-4. The REDUNDANCY Panel
- Redundant server public IP
Enter the public real IP address for the backup LVS router
- Redundant server private IP
Enter the backup node's private real IP address in this text
If you do not see the field called Redundant
server private IP, go back to the GLOBAL
SETTINGS panel and enter a Primary server
private IP address and click ACCEPT.
The rest of the panel is devoted to configuring the heartbeat
channel, which is used by the backup node to monitor the primary
node for failure.
- Heartbeat Interval (seconds)
This field sets the number of seconds between heartbeats —
the interval that the backup node will check the functional status
of the primary LVS node.
- Assume dead after (seconds)
If the primary LVS node does not respond after this number of
seconds, then the backup LVS router node will initiate
- Heartbeat runs on port
This field sets the port at which the heartbeat communicates
with the primary LVS node. The default is set to 539 if this field
is left blank.
Remember to click the ACCEPT button
after making any changes in this panel to make sure you do not lose
any changes when selecting a new panel.