These alarms Alarms are sent by the MSA when the below condition is hit. 

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if either of the following conditions occur:

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Backpressure

"Backpressure On Frequency" is measured as the percentage of operating time application write operations were slowed to accommodate data replication.

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• An alarm notification will be triggered if application write Backpressure has been applied for a period exceeding 5 consecutive mintesminutes.

Cause of Backpressure

• Backpressure occurs when the replication incoming data rate exceeds the outgoing data rate.

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