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Switching to GRHA Mode

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titleNote

This feature is not configurable during software installation nor is it changeable during an upgrade.

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Accomplish the following steps to switch to GRHA mode:

  1. Upgrade the SBC application either using LSWU or Platform Manager.

Stop the standby SBC application. On the SBC main screen, go to Administration > System Administration > Platform Management. The Platform and SBC Application Controls window is displayed. To stop the application, click Stop SBC Application in the status panel.

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1Stop SBC Application Panel

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Note

The services on standby SBC server must be stopped before switching to GRHA mode since the switch to GRHA mode causes a temporary HA link outage. The script will verify the state of the servers and make the necessary changes.


  2. From the CLI command prompt, perform one of the steps below, depending on your configuration. For example, in SBC Core, set bond monitoring type to network-connect and leader election algorithm type to enhanced:

    Code Block
  1. > request system

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  1. admin sbx1 setHaConfig bondMonitoring network-connect leaderElection enhanced

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To set bond monitoring type to 'direct-connect' and retain current setting of leader election algorithm:

Code Block
> request system sbx2 setHaConfig bondMonitoring direct-connect leaderElection currentValue

On the active server, execute the following command:

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> request system sbx1 setHaConfig bondMonitoring network-connect leaderElection enhanced  
Verifying GRHA Mode
Accomplish the following step to verify GRHA mode:
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> show table system haConfig 
                        LEADER     BOND 
SERVER NAME             ELECTION   MONITORING 
--------------------------------------------------
sbx1.eng.sonusnet.com   enhanced   network-connect
sbx2.eng.sonusnet.com   enhanced   network-connect


Switching Out of the GRHA Mode
To set bond monitoring type to 
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direct-connect
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 and 
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 leader election algorithm type to standard, enter the following command:
 Code Block
> request system admin sbx1 setHaConfig bondMonitoring direct-connect leaderElection 
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1Start SBC Application Panel
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 Note
The standby server comes up and reconnects as standby with the GRHA mode enabled on both the machines.
standard
 Verifying non-
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GRHA Mode
Accomplish the following step to verify non-GRHA mode:
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> show table system haConfig 
                        LEADER     BOND 
SERVER NAME             ELECTION   MONITORING 
--------------------------------------------------
sbx1.eng.sonusnet.com   standard   direct-connect
sbx2.eng.sonusnet.com   standard   direct-connect


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