Scenario: During a disaster recovery test, the DB2 standby server fails to synchronize with the primary server. What troubleshooting steps can be taken to resolve this issue?

  • Checking network connectivity between the primary and standby servers
  • Increasing the buffer pool size on the primary server
  • Rebooting the primary server
  • Restarting the DB2 instance on the standby server
The first step in troubleshooting a synchronization issue between the primary and standby servers is to check the network connectivity between them. This involves verifying that both servers can communicate with each other over the network and ensuring that there are no firewall rules blocking the communication. Once network connectivity is confirmed, further investigation can be done to identify and resolve any configuration or software issues causing the synchronization problem. 
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