Introduction to planned migration of OceanStor ReplicationDirector

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If data or applications at a production site need to be recovered from a disaster recovery site due to a power failure, upgrade, or maintenance, you need to perform planned migration at the disaster recovery site. The latest data changes at the production site will be synchronized to the disaster recovery site. Planned migration is performed only in the disaster recovery management system at the disaster recovery site.

Other related questions:
Introduction to recovery plans of OceanStor ReplicationDirector
Recovery plans refer to the service objects to be recovered in the disaster recovery management system. Users can perform disaster recovery operations for recovery plans, such as testing, clearance, planned migration, reprotection, and fault recovery.

Introduction to recovery plan tests executed by the OceanStor ReplicationDirector
You can test a recovery plan to verify the availability of the data replicated to the disaster recovery site. During a test, the disaster recovery site generates test data using snapshots, which does not have any impact on the production site. After the test is complete, the test environment must be cleaned up. Before a failover or planned migration, at least one recovery plan test must be executed successfully. The test can be performed only in the disaster recovery management system at the disaster recovery site.

Differences between fault recovery and planned migration of OceanStor ReplicationDirector
If data or applications at a production site need to be recovered from a disaster recovery site, you need to perform planned migration at the disaster recovery site. The latest data changes at the production site will be synchronized to the disaster recovery site. Planned migration is performed only in the disaster recovery management system at the disaster recovery site. If data or applications at the production site become unavailable due to disasters or faults, you need to perform fault recovery. Fault recovery is performed only in the disaster recovery management system at the disaster recovery site. The latest backup data at the disaster recovery site is used to recover data.

Introduction to OceanStor ReplicationDirector reprotection
If planned migration or fault recovery has been performed for a recovery plan, you can implement reprotection for the recovery plan. Reprotection protects data at the disaster recovery site once devices at the production site recover from disasters, simplifying failback. This operation can be performed only in the disaster recovery management system at the disaster recovery site.

Introduction to sites of the OceanStor ReplicationDirector
Resources in a disaster recovery management system are organized by site. You can configure disaster recovery services at a site or between sites. Create a local or remote site based on the disaster recovery network mode (local or remote). Sites are categorized as local sites and remote sites by location. - Local site: a site managed by the local OceanStor ReplicationDirector server. - Remote site: a site managed by the remote OceanStor ReplicationDirector server. Sites are categorized as production sites and disaster recovery sites by protection relationship. - Production site: a site where a production system resides. Service systems of enterprises run at the protected production site. - Disaster recovery site: a site where a disaster recovery system resides. The disaster recovery site provides backup and disaster recovery for the production site. If a disaster occurs, the disaster recovery site can be used to recover services.

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