Differences between fault recovery and 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, 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.

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Introduction to planned migration of OceanStor ReplicationDirector
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.

Recovery plan types of OceanStor ReplicationDirector
OceanStor ReplicationDirector (current major version: V100R003C10) provides two types of recovery plans: 1. Local recovery plan Based on a snapshot protection policy template, a local recovery plan is executed to roll back data. 2. Remote recovery plan Based on a remote replication protection policy template, a remote recovery plan is executed to perform planned migration or fault recovery.

Introduction to fault recovery of OceanStor ReplicationDirector
If data or applications at a production site become unavailable due to disasters or faults, you need to recover data from a disaster recovery site. 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.

What are the states of a recovery plan in OceanStor ReplicationDirector?
In OceanStor ReplicationDirector (current major version: V100R003C10), the recovery plan states include: 1. Test Ready, Testing, Test failed, or Tested. 2. Clearance Ready, Clearing, Clearing failed, or Cleared. 3. Planned migration Ready, Migrating, Migration failed, or Migration complete. 4. Reprotection Ready, Reprotecting, Reprotection failed, or Reprotection complete. 5. Fault recovery Ready, Fault recovering, Fault recovery failed, or Fault recovery complete. 6. Execution Ready, Rolling back, Rollback failed, or Rollback complete.

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.

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