When you perform a switchover of a high-availability DB system with an attached HeatWave cluster, theHeatWave cluster is attached to the new primary instance(Answer B). This ensures continuous operation and access to the HeatWave cluster's capabilities without the need to delete or re-create the cluster.
During a switchover, the system promotes the standby instance to the primary role.
The HeatWave cluster, which was previously attached to the original primary instance, is now re-attached to the new primary instance.
This allows the new primary instance to continue processing queries using the HeatWave cluster seamlessly.
References:
MySQL HeatWave High Availability Documentation
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