3.2.1 Failover when a failure occurs on a monitoring host

Figure 3-4 shows the processing when failover occurs on a monitoring Microsoft SQL Server host.

Figure 3‒4: Processing when a monitoring Microsoft SQL Server host performs failover

Note:

A failover on the monitoring Microsoft SQL Server host may cause temporary errors in the historical collection of the performance data.

Moreover, before and after the failover, the value of collected data may be negative. Note that for data after the failover is completed, positive values are used as the data differentials.

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