Introduction to the 3DC feature of V3 storage


3DC refers to three data centers, two in the same city and one in the remote city to provide disaster recovery functions and improve the reliability of data in the production center. 3DC uses the remote replication feature. For detailed description and configuration, see 3DC Configuration.

Other related questions:
Does V3 storage support the 3DC feature?
All OceanStor V3 series storage systems support the 3DC value-added feature.

Is a license required for the 3DC feature of V3 storage products?
3DC uses the remote replication feature. When 3DC is configured, each device needs to contain the remote replication license.

Hyper series features of V3 storage
V3 series storage systems provide multiple data protection features, improving the data security of the storage systems and offering a solid foundation for data backup and disaster recovery. - The snapshot feature provides a mapping table for locating data and data copies can be rapidly accessed. - Remote replication creates an available data duplicate of a local storage system in real time on a storage system that resides in a different region. The duplicate is instantly available without data restore operations, protecting service continuity and data availability to the maximum. Remote replication is the core technology of disaster recovery. - LUN copy is a data copy technology that quickly transfers data within a device or between devices. - Clone, a type of snapshot technology, obtains fully populated point-in-time copies of source data. Clone is a backup approach that allows incremental synchronization. - HyperMetro enables that both data centers are active and bear services together to improve overall serviceability and resource utilization. - HyperMirror is a continuous data protection technology. It creates two physical mirror copies for a LUN to achieve continuous LUN backup and protection.

OceanStor 9000 InfoAllocator feature definition
OceanStor 9000 InfoAllocator is a resource control technology. It restricts resources (including storage space and file number) available for users or user groups in a directory. InfoAllocator enables OceanStor 9000 administrators to: - Plan storage space or file number consumed by a user or a group in a proper way. - Manage storage space or file number that a user or a group consumes. - Make statistics on and check storage space or file number consumed by a user or a group.

OceanStor 9000 InfoEqualizer feature definition
OceanStor 9000 InfoEqualizer can intelligently distribute client access requests among storage nodes, improving service performance and reliability.

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