Method used to migrate data on heterogeneous LUNs of the OceanStor V3 converged storage systems

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You can use the LUN migration, volume mirroring, or remote replication feature to migrate data on heterogeneous LUNs of the OceanStor V3 converged storage systems.

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 .

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 .

Method used to detect new LUNs on the host of OceanStor T/V3 storage systems
If Huawei UltraPath is installed on the host, run the hot_add command to scan for disks. The existing services will not be affected. If the multipathing software is not installed, use the iSCSI network and restart the iSCSI service. If the Fibre Channel network is used, restart the server.

Method used to check the snapshot data of a file system in an OceanStor V3 storage system
After creating a snapshot for a file system, you must enable the hidden directory of the snapshot to be visible. Then, you can share the snapshot to a client using the NFS or CIFS sharing service provided by the OceanStor storage system. After sharing the snapshot to a client, you can access and obtain the snapshot data generated at a point in time on the client.

Method used to expand file systems on OceanStor V3 storage systems
For details about the configuration method, see Expanding a File System .

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