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This article applies to all JSDR software versions.

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JetStream DR manages VM replication performance by adjusting its operations to accommodate varying network conditions. This alarm is triggered when “backpressure” is applied to throttle replication network traffic of a protected domain.

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Note

This alarm is informational only and does not require specific corrective action from the user.

Possible Cause

Backpressure is used when the rate of incoming data from protected VMs exceeds the available outgoing network bandwidth to the destination site. This can lead to the replication log filling up or delays processing incoming data.

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Best practices should be used to optimize replication traffic performance and avoid the use of backpressure or bitmap protocol mode.

  1. Use CPT to optimize the configuration of protected VMs and system resources.

  2. Enhance replication network performance.

  3. Increase the size of the replication log.