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| Info |
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This network can be connected to a LAN environment, but network performance is crucial to correct operation. It is recommended to be a direct connection between the Primary and Secondary Servers. |
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Configuration Configuration | IP Setting | Network
In the IP tab, click on "ADD" to add the IP Address of the Secondary Dedicated Network Interfaces for "Heartbeat", copying of configuration to the Secondary server and Status. You can click "Edit" for each network interface you want to reconfigure.
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Configure the IP Address
Select the Physical Ethernet Interface, any Interface that is assigned to be the "heartbeat" interface.
IPv4 or IPv6 type
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NOTE: It is required to use a direct connection between servers for the dedicated interface. This interface needs to be on the same port for both machines, and needs to be connected before copying the configuration to the Secondary server. For example: If you use Eth4 on the Primary Server, use Eth4 on the Secondary Server.
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Server.
Hostname Change
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NOTE: Hostname of the SBC’s should be changed before HA is configured on both the systems. |
Steps to follow while modifying hostname:
Goto Configuration>IP Settings>Network and click on Edit under Network section.
Update the host name and save the changes.
Now click on Apply Network and after applying, click on Restart Network.
Once Network is restarted, we need to reboot the SBC in order to change the hostname.
| Note |
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NOTE: If the SBC’s are not restarted after Hostname changes, then HA will not sync and HA will not work properly. |
Configure Default Gateway and DNS Servers
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SBC VM Ethernet Manual Setup: dnsmasq is **required** for HA. The dnsmasq config file can be modified if needed, provided it doesn't interfere with any other configuration that is already in place. **If it is ever disabled, things will stop working**. it's OK to add entries to dnsmasq, but it is NOT OK to bypass it.
HA Hostname Change
Steps to follow while modifying hostname in HA system:
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Stop both the nodes before modifying hostname.
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Update the host name and Apply configuration.
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Important to copy the configuration to Peer before restarting.
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Management
Cluster management is performed at at the Control Panel page: when the High Availability module is enabled, this page is augmented with information from all nodes in the cluster and from the common cluster state, the later available when the Cluster Management service is active.
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