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

   As user root, stop the standby server using the following command:
   

   Code Block

   language	none

   # service sbx stop
   

2. 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.

   Caption
   0 Figure 1 Stop SBC Application Panel
   Image Added

    

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

   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.

   
   

3. On the standby server, execute the following command:
   
   To set bond monitoring type to 'network-connect' and leader election algorithm type to 'enhanced':
    

   Code Block
   language none
   > request system sbx2 setHaConfig bondMonitoring network-connect leaderElection enhanced

   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# geoRedundHa.sh enable

   
   

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

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

   Code Block
   language none
   > request system sbx1 setHaConfig bondMonitoring network-connect leaderElection enhanced

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

   Code Block
   > request system sbx1 setHaConfig bondMonitoring direct-connect leaderElection currentValue# geoRedundHa.sh enable

   
   
   

5. Start the standby server.
   

   Code Block

   language	none

   # service sbx start

   Log on SBC application in EMA Platform Mode.

   Caption
   0 Figure 1 Start SBC Application Panel
   Image Added

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

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

Verifying GRHA Mode

Accomplish the following steps step to verify GRHA mode:

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# service sbxbond status

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***** pbond0 status *****
Ethernet Channel Bonding Driver: v3.7.1 (April 27, 2011)
 
Bonding Mode: fault-tolerance (active-backup)
Primary Slave: None
Currently Active Slave: eth0
MII Status: up
MII Polling Interval (ms): 0
Up Delay (ms): 0
Down Delay (ms): 0
ARP Polling Interval (ms): 100
ARP IP target/s (n.n.n.n form): 169.254.66.8

Checking the openclovis sys.latest log.
After switching to GRHA mode and reconnecting to SBC, a log entry appears.
For example,

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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