NetApp Cloud Manager is the centralized management and orchestration platform for NetApp's hybrid multi-cloud solutions. It provides a single-pane-of-glass interface to discover on-premises ONTAP clusters and manage Cloud Volumes ONTAP instances across multiple public clouds (AWS, Azure, GCP). A core function of Cloud Manager is to simplify the creation and management of data replication relationships (SnapMirror) for disaster recovery (DR) and other use cases. Its intuitive drag-and-drop functionality allows administrators to easily set up and monitor replication from on-premises to one or more clouds, directly addressing the need to simplify management in the described scenario.

A. Cloud Volumes ONTAP: This is the ONTAP software running in a public cloud. It acts as the DR target, not the tool that simplifies the management of the replication relationships.

C. Cloud Sync: This service is for synchronizing file or object data between different storage systems (e.g., NFS to S3), not for ONTAP-native, block-level replication used for DR.

D. Cloud Insights: This is a monitoring, troubleshooting, and optimization tool. It provides visibility into infrastructure health but does not actively manage or configure data replication for DR purposes.

1. NetApp Cloud Manager Documentation, "Replicating data between systems": "Cloud Manager simplifies the process of creating and managing data replication relationships between ONTAP systems in your hybrid cloud... You can replicate data by dragging and dropping a source volume onto a destination cluster." This directly supports Cloud Manager as the tool for simplifying replication management.

2. NetApp Technical Report TR-4679, "Cloud Manager for Hybrid Cloud Data Management", Page 5: "NetApp Cloud Manager is a centralized management platform that enables you to manage your ONTAP storage in a hybrid cloud environment... It simplifies the setup of data replication for disaster recovery, data distribution, and data protection." This confirms its role in simplifying DR management.

3. NetApp Cloud Volumes ONTAP Documentation, "Learn about disaster recovery": This section describes using Cloud Manager to set up SnapMirror replication from an on-premises ONTAP system to a Cloud Volumes ONTAP system for DR, positioning Cloud Manager as the orchestrator.

4. NetApp Cloud Sync Documentation, "What is Cloud Sync?": "Cloud Sync is a NetApp data synchronization service for rapid and secure data synchronization... It's not a backup or disaster recovery solution." This clearly distinguishes its purpose from the DR requirement in the question.