*Failover setup (2.6)
Configuration Article | CA-20221123-MS-01 VDG Sense | Setup | Failover |
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Introduction
This article explains the function of the Failover tab.
The Failover tab shows the list of configured monitored servers on the left side. In the lower left corner of the screen are plus and minus buttons to add and remove monitored servers.
See below for an example of monitored server:
Servers
To add a server to the monitored server list, open the Failover tab in the Configuration, and select the “Servers” subtab. Below the list, click the ‘+’-button to add a server to the list.
The selected server has the following settings:
Host
The IP address of the server.Port
The port of the monitored server. The port by default is 51410.
Netbios nam
Netbios name of the server
Backup Button '+”
To create a new backup of the selected server press the + button. The last backup will be used for the failed server. Automatic back-ups can be configured in the Options menu, but when adding a server for the first time, a manual back-up is required
Options
Backup Directory
The path of the folder that contains the monitored server backupsStore Path
The path of the folder that will contain video storage while failover is activeServer Communication Address
The IP address of the network adapter of the failover server. This is used in a failover situation for the other servers to communicate with the failover server.Server Communication Port
The port the Video Manager listens on of the failover server. This is used in a failover situation for the other servers to communicate with the failover server.Client Communication Address
The IP address of the network adapter for the client of the failover server. This is used in a failover situation for the clients to communicate with the failover server.Netbios Domain
Netbios domainNetbios Name / Port
Netbios name and portDaily Backup
Enable or disable daily backup of settings. It is recommended to enable this setting as this will ensure the Failover server always has the latest settings.Daily backup time
Time when the settings backup needs to take place. This wil by in UTC time.Automatically take over server
If enabled the failover server will automatically takeover the monitored server which has failed. If disabled, the failover take over must be done manually.Automatically restore server
If enabled the failover server will automatically restore the original configuration when the monitored server is restored. If disabled, the failover restore must be done manually.
Timeouts
In the Timeouts subtab, you can set the timeout values of various failed states.
Type | Default value | Min value | Max value | Description |
---|---|---|---|---|
Connected | 5 minutes | 5 minutes | 60 minutes | A network connection has been made, but the first startup message has not been received |
Started | 5 minutes | 5 minutes | 60 minutes | The startup message has been received, but the first keep-alive message has not been received |
Keep alive | 30 seconds | 30 seconds | 300 seconds | No new keep-alive message is received |
Normal shutdown | 15 minutes | 5 minutes | 60 minutes | The server has been shutdown normally, but has not restarted yet |
Abnormal shutdown | 5 minutes | 5 minutes | 60 minutes | The server has exited with an error and has not restarted yet |
Status
The status tab shows a log of the Failover and which servers are being monitored. To manually take over a server, click the “Takeover” button. Choose the server which you would like to Takeover in the dialog and click “OK”. This will start the failover procedure regardless of the current server connection status.
To manually restore the server. Click the button “Restore” after the takeover procedure has been completed.
Storage
To access the recorded videodata on the failover server, the monitored server needs to know where to find it. This is done by adding a configuration parameter in the server tab.
You can fill in the parameter under the advanced tab of the server.
Failover storepath
The storepath of the Failover : \\<Failover server address>\<monitored server address>
Failover OS username
The Operating System username of the Failover server
Failover OS password
The Operating System password of the Failover server
After a restore to normal operation of the fail-over server all settings are set to default again.