Configuring the HyperMetro feature for V3 series unified storage systems

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If the HyperMetro feature is configured, two data centers serve as a backup for each other. If one data center fails, services are automatically switched to the other data center without data loss or service interruption.
For the procedure of configuring the HyperMetro feature, see http://support.huawei.com/enterprise/docinforeader.action?contentId=DOC1000084209&idAbsPath=7919749|7941815|21430818|21462748|21041235.

Other related questions:
Configuring remote replication for V3 series unified storage systems
See the configuration procedure in Remote Replication Feature Guide for Block, which is available at http://support.huawei.com/enterprise/docinforeader.action?contentId=DOC1000084218&idAbsPath=7919749|7941815|21430818|21462748|21041235.

RAID levels supported by unified storage systems
RAID policies (levels) supported by unified storage systems: 0, 1, 3, 5, 6, 10, 50

Adding remote devices for V3 series unified storage systems
See section "Adding a Remote Device" in Remote Replication Feature Guide for Block, which is available at http://support.huawei.com/enterprise/docinforeader.action?contentId=DOC1000084218&idAbsPath=7919749|7941815|21430818|21462748|21041235.

Value-added features supported by eDevLUNs
After V3 series unified storage systems use the SmartVirtualization feature to take over external LUNs and create eDevLUNs, the eDevLUNs can be used as local LUNs. The eDevLUNs support the following value-added features: snapshot, remote replication, SmartMigration, and volume mirroring, SmartQoS, SmartPartition, SmartCache, multi-tenant, and HyperMetro.

Precautions for creating a remote link for a V3 series unified storage system
The precautions for creating a remote link for a V3 series unified storage system V300R002 are as follows: 1. If a Fibre Channel network is used, set Link Type to FC. If an IP network is used, set Link Type to iSCSI. 2. If the storage systems at the two ends are of different versions, initiate link creation from the storage system with the later version. Otherwise, the link creation fails.

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