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Switching to GRHA Mode

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

Accomplish the following steps to switch to GRHA mode:

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

  2. Stop the standby SBC application. On the SBC main screen, navigate 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.

    Stop SBC Application Panel


    For details, refer to the section System Administration - Platform Management.

    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.


  3. On the standby server, execute the following command:

    Bond monitoring is only applicable to SBC 5000/7000 series platforms.


    To set bond monitoring type to network-connect and leader election algorithm type to enhanced:
     

    > request system admin sbx2 setHaConfig bondMonitoring network-connect leaderElection enhanced

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

    > request system admin sbx2 setHaConfig bondMonitoring direct-connect leaderElection currentValue


  4. On the active server, execute the following command:


     To set bond monitoring type to network-connect and leader election algorithm type to enhanced:

    > request system admin sbx1 setHaConfig bondMonitoring network-connect leaderElection enhanced

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

    > request system admin sbx1 setHaConfig bondMonitoring direct-connect leaderElection currentValue



  5. Start the standby server. Log on to SBC application in EMA Platform Mode.

    Start SBC Application Panel


    For details, refer to the section System Administration - Platform Management.

    The standby server comes up and reconnects as standby with the GRHA mode enabled on both the machines.

Verifying GRHA Mode

Accomplish the following step to verify GRHA mode:

> 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

Accomplish the following steps to switch out of the GRHA mode:

  1. Stop the standby SBC application. On the SBC main screen, navigate 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.

    Stop SBC Application Panel


    For details, refer to the section System Administration - Platform Management.

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

  2. On the standby server, execute the following command:

    To set bond monitoring type to direct-connect and leader election algorithm type to standard:

    > request system admin sbx2 setHaConfig bondMonitoring direct-connect leaderElection standard

     

  3. On the active server, execute the following command:

     To set bond monitoring type to direct-connect and leader election algorithm type to standard:

    > request system admin sbx1 setHaConfig bondMonitoring direct-connect leaderElection standard

  4. Start the standby server. Log on to SBC application in EMA Platform Mode.

     

    Start SBC Application Panel


    For details, refer to the section System Administration - Platform Management.

    The standby server comes up and reconnects as standby without the GRHA mode enabled on both the machines.

 Verifying GRHA Mode

Accomplish the following step to verify GRHA mode:

> 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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