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Switching to GRHA Mode

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Note

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

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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.

On the standby server, execute the following command:

Note

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

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

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Accomplish the following steps to switch to GRHA mode:

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

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1Stop SBC Application Panel

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  1. 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:

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    > request system admin

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  1.

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On the active server, execute the following command:

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  1. sbx1 setHaConfig bondMonitoring network-connect leaderElection enhanced

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To set bond monitoring type to direct-connect and retain currentValue setting of leader election algorithm:
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> request system admin sbx1 setHaConfig bondMonitoring direct-connect leaderElection currentValue
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1Start SBC Application Panel
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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:
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> show table system haConfig 
                        LEADER     BOND 
SERVER NAME             ELECTION   MONITORING 
--------------------------------------------------
sbx1.eng.
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Ribbonnet.com   enhanced   network-connect
sbx2.eng.
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Ribbonnet.com   enhanced   network-connect


Switching Out of the GRHA Mode
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Accomplish the following steps to switch out of the GRHA mode:
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1Stop SBC Application Panel
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To set bond monitoring type to direct-connect and leader election algorithm type to standard
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, enter the following command:
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> request system admin sbx2 setHaConfig bondMonitoring direct-connect leaderElection standard
 
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> request system admin sbx1 setHaConfig bondMonitoring direct-connect leaderElection standard
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Start the standby server. Log on to SBC application in EMA Platform Mode.
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1Start SBC Application Panel
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The standby server comes up and reconnects as standby without the GRHA mode enabled on both the machines.
 Verifying non-GRHA 
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 Mode
Accomplish the following step to verify non-GRHA mode:
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> show table system haConfig 
                        LEADER     BOND 
SERVER NAME             ELECTION   MONITORING 
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sbx1.eng.
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Ribbonnet.com   standard   direct-connect
sbx2.eng.
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Ribbonnet.com   standard   direct-connect


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