Huawei OceanStor V3 Series User Manual

1 Feature Description
About This Chapter
The remote replication feature provides flexible and powerful data replication functions
including remote data backup and recovery, continuous support for service data, and disaster
recovery.
1.1 Overview
This section describes the background, definition, purposes, and benefits of the remote
replication feature.
1.2 License Requirements and Compatible Products
This section describes the availability of the remote replication feature in terms of license
requirement and applicable versions.
1.3 Principles
This section describes how the remote replication feature replicates data, switches services,
and recovers data, and introduces the function of a consistency group.
1.4 Impact and Restrictions
This section describes restrictions on the remote replication feature.
1.5 Application Scenarios
The remote replication feature is used for data backup and DR. The typical application
scenarios include central backup and DR, and 3DC.
1.1 Overview
This section describes the background, definition, purposes, and benefits of the remote
replication feature.
Background
As the digitalization drive advances in various industries, data has become critical to the
operation of enterprises, and customers impose increasingly demanding requirements on the
stability of storage systems. Although some storage devices offer extremely high stability,
they fail to prevent irrecoverable damage to production systems caused by natural disasters.
To ensure the consistency, recoverability, and high reliability of data access, remote disaster
OceanStor V3 Series
Remote Replication Feature Guide for Block
1 Feature Description
Issue 06 (2018-01-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
1

Huawei OceanStor V3 Series Specifications

General

Supported Protocols	FC, iSCSI, NFS, CIFS
RAID Support	RAID 0, 1, 3, 5, 6, 10, 50
Controller	Redundant, active-active controllers
Cache	Up to several GB per controller
Snapshot	Supported
Replication	Supported
Form Factor	Rack-mountable
Controllers	Dual controllers
Host Interface	8Gbps/16Gbps FC, 1Gbps/10Gbps iSCSI
Drive Types Supported	SSD, SAS, NL-SAS
Operating System	Huawei OceanStor OS
Data Protection	RAID, Snapshot, Replication
Data Services	Thin Provisioning
Management	Web-based GUI, CLI, SNMP
Scalability	Scalable capacity and performance
High Availability	Redundant hardware, hot-swappable components, automatic failover
Power Supply	Redundant power supplies