Eliminating data resynchronization in cyber recovery solutions

An apparatus comprising:

• a primary storage system comprising at least one compute node configured to manage access to an array of non-volatile drives on which a primary replica of a storage object is maintained, the primary storage system configured to generate consistent snapshots of the primary replica;
• a secondary storage system comprising at least one compute node configured to manage access to an array of non-volatile drives on which a secondary replica of the storage object is maintained, the secondary storage system configured to generate consistent snapshots of the secondary replica;
• and
• the primary storage system and secondary storage system configured, responsive to a disaster recovery situation, to recover the primary replica by synchronizing at least one of the consistent snapshots on the primary storage system with at least one of the consistent snapshots on the secondary storage system, migrating input-output (IO) traffic from the primary replica to the primary staging volume, and migrating IO traffic from the secondary replica to the secondary staging volume.

A non-transitory computer-readable storage medium storing instructions that when executed by compute nodes in a storage system perform a method comprising:

• maintaining a primary replica of a storage object on a primary storage system;
• generating consistent snapshots of the primary replica on the primary storage system;
• maintaining a secondary replica of the storage object on a secondary storage system;
• generating consistent snapshots of the secondary replica on the secondary storage system;
• and
• responsive to a disaster recovery situation, recovering the primary replica by synchronizing at least one of the consistent snapshots on the primary storage system with at least one of the consistent snapshots on the secondary storage system, migrating input-output (IO) traffic from the primary replica to the primary staging volume, and migrating IO traffic from the secondary replica to the secondary staging volume.