2.6.2 Monitoring while a failover occurs in databases in the mirroring configuration

The following figure summarizes how PFM - Agent for Microsoft SQL Server monitors the databases in the mirroring configuration while a failover occurs in those databases:

Figure 2‒6: Overview of how PFM - Agent for Microsoft SQL Server monitors the database in the mirroring configuration while a failover occurs.

If a failover occurs in the databases in the mirroring configuration when PFM - Agent for Microsoft SQL Server is collecting the performance information from the Microsoft SQL Server instance, PFM - Agent for Microsoft SQL Server does not collect performance information from those instances just when the failover is occurring.

In this case, although "KAVF21812-E" message is output to the agent log, PFM - Agent for Microsoft SQL Server operates properly.

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