In backup (SAN), backup (NAS) scenarios, how to recover data from disaster recovery (DR) site if data the production site becomes unavailable due to disasters or faults.
Backup and restoration is based on the copy granularity. Some snapshots in a copy cannot be backed up and restored.
When the storage resources or protected objects changed in the current time and snapshot copied time. The recovery operation description, see Copy-based Recovery and Risk Handling Measures.
The Air Gap protection takes over only the secondary replication end. During the backup and recovery, the recovered data is synchronized to the primary replication end. You may need to manually process the primary replication end to ensure successful backup and restoration.
After the data rollback starts, you can view the execution process and result. If the task is failed, you can solve the problem and execute the task again.