Storage Virtualization Disaster Recovery Solution - Huawei Solutions
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Storage Virtualization Disaster Recovery Solution


With the continuous development of storage technologies and increasing needs for disaster recovery, openness and virtualization have become a new standard for enterprises to construct disaster recovery systems. Openness is an irresistible trend in the IT industry. It provides maximum adaptability, scalability, compatibility, and investment protection and protects the advancement and flexibility of IT systems at a low total cost of ownership (TCO). Meanwhile, storage virtualization is an intermediate system between the bottom-layer physical environment and the upper-layer management software. It helps users store data on disks in a transparent and automatic way. Furthermore, it improves storage utilization and reduces the operation and maintenance (O&M) cost to the greatest extent. Therefore, it is the base for the construction of new disaster recovery systems. Huawei disaster recovery solution of storage virtualization incorporates the features of openness and virtualization, and it helps users optimize their construction of disaster recovery systems.

The availability of IT systems determines their business continuity capability. High availability (HA) enables the fast failover of IT systems to protect the ongoing service or achieves the short mean time to repair (MTTR) required by the service level agreement (SLA). Therefore, HA is of great importance to storage systems in data centers. However, enterprises confront a series of challenges in disaster recovery.


  • Multiple hosts share one storage system. Although applications can be switched among hosts without service interruption, data is not redundant, and a failure in the storage system will shut down the whole business system. To eliminate single points of failure and ensure business continuity, a full-redundancy business system with dual storage systems is recommended.
  • Customers' data is scattered, storage systems are heterogeneous, and multiple branches exist in enterprises. Therefore, how to plan a unified disaster recovery platform is a great challenge. A comprehensive disaster recovery management function is required to improve operation and maintenance (O&M) efficiency and lower the maintenance cost.
  • Enterprises often adopt replication technologies provided by traditional storage systems. However, replication technologies of different vendors are incompatible.
  • A disaster recovery center is useful only when disasters happen. When there is no disaster, the center becomes useless, resulting in a waste of resources.
  • Application-level disaster recovery is designed according to different host platforms and application system software. Therefore, the business system is complicated and the cost is high.


HUAWEI OceanStor VIS6000 is an industry-leading storage virtualization engine. It protects customers' key applications and data using different methods, including mirror protection to data among heterogeneous storage systems, data synchronization between two data centers in the same city, and replication among remote sites. There are three typical HUAWEI OceanStor VIS6000 solutions.



Storage-Virtualization and Local High-Availability Mirror Disaster Recovery Solution

Based on HUAWEI OceanStor VIS6000, the solution provides mirror protection to data of storage systems and uses the host clustering technology. It has a full-redundancy architecture and delivers HA local disaster recovery. Data is simultaneously written to dual storage systems. If one storage system is faulty, the access path to the data is switched over to the other storage system. The solution is applicable to business posing high requirements on real-time disaster recovery. The disaster recovery sites can locate at the same equipment room, adjoining buildings, or areas of the same city.


Torage-Virtualization Remote Disaster Recovery Solution

Based on HUAWEI OceanStor VIS6000, the solution adopts storage virtualization technology to be compatible with differences of heterogeneous storage systems and to integrate these storage systems to a resource pool. Furthermore, the solution reduces bandwidth used for replication and minimizes the recovery point object (RPO). Finally, by adopting comprehensive platforms for disaster recovery management, the solution provides flexible storage recovery strategies to help enterprises achieve point-to-point, multipoint-to-point, and two-area with three-center disaster recovery applications.


Storage-Virtualization Disaster Recovery Solution for Two Data Centers in the Same City

Base on HUAWEI OceanStor VIS6000, the disaster recovery solution for two data centers in the same city adopts scale-out and mirror functions of distributed clusters to share data between two data centers. Services can be switched to the other data center when one data center has disasters. The RPO and recovery time object (RTO) of the application-level disaster recovery are both zero.


  • HUAWEI OceanStor VIS6000 shatters barriers among storage resources to achieve an integrated storage pool at the network layer.
  • The unified disaster recovery platform provides flexible applications and data protection. HUAWEI OceanStor VIS6000 effectively interoperates with storage systems of different vendors to construct unified disaster recovery platforms inside a data center or between two data centers. The VIS6000 is compatible with technologies of different vendors.
  • The I/O-specific data replication technology eliminates data loss.
  • HUAWEI OceanStor VIS6000 safeguards data of crucial business systems and their related systems and reduces system downtime to release competitions for core data.
  • Two data centers back up for each other for disaster recovery. When one data center has disasters, the other compensates to prevent data loss and service interruption and to achieve application-level disaster recovery.
  • Host side-clustering technology and network redundancy technology interoperate to provide a reliable and redundant IT infrastructure including application systems, operating systems, servers, storage systems, and networks.


  • The solution protects systems from potential interruption risks and ensures the continuous running of systems.
  • The solution safeguards data of crucial business systems and their related systems, and reduces system downtime to release competitions for core data.
  • The storage virtualization technology integrates customers' scattered resources.
  • The solution efficiently uses resources of disaster recovery centers.
  • Disaster recovery systems are constructed on the basis of storage virtualization. The utilization of storage resources is greatly improved.
  • The mature and unified disaster recovery management provides flexible disaster recovery strategies, improves O&M efficiency, and reduces O&M cost.


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