LUN mapping of OceanStor V3 storage systems


After a host group and a LUN group are added to a mapping view, the application server, host group, and LUN group are logically associated. Then the application server can detect the LUN in the LUN group.
For details about creating a mapping view, click Creating a Mapping View .

Other related questions:
Method used to expand LUNs of OceanStor V3 storage systems
For details on how to expand LUNs on the DeviceManager, and then detect LUNs on the host to identify the expanded LUNs, see Expanding a LUN .

Whether LUNs of OceanStor V3 storage systems have owning controllers
OceanStor V3 LUNs have owning controllers. However, the LUNs can be accessed from any controller.

Recommended LUN capacity for the OceanStor V3 storage
The following configurations are recommended for different service types: - Oracle: 100 GB to 1 TB - VMWare: 2 TB to 8 TB - File system: 500 GB to 2 TB - Other service types: 2 TB

The application server connected to the OceanStor V3 storage system fails to detect LUNs
Refer to Revelations of Troublesolving cases on the right.

Number of hosts and host groups that a LUN is mapped to in OceanStor T Series unified storage systems
One LUN in OceanStor T Series unified storage can be mapped to a maximum of eight hosts or host groups.

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