Method used to expand file systems on OceanStor V3 storage systems

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For details about the configuration method, see Expanding a File System .

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 .

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.

Principles and impact of expanding disk domains of OceanStor V3 storage systems
After the new disks are added to a disk domain, the system automatically performs migration to ensure that the used capacity of each disk is the same. The migration speed is related to the load of the disk domain. For example, if the I/O load on the disk domain is heavy, the migration speed is reduced; if the I/O load on the disk domain is light, the migration speed is relatively high. The migration speed has no major impact on the performance of a disk domain. However, it is still recommended to perform migration when the service load is light.

Method used to expand host file system capacity of OceanStor T Series
You can expand host file systems of OceanStor T Series as follows: 1. Expand the capacity by using the volume management software delivered with the host (LVM and dynamic disk). 2. Expand the capacity by using the third-party volume management software (VxVM).

Method used to monitor the performance of OceanStor V3 storage systems
You can use the performance analysis tool SystemReporter to monitor storage system performance. For details, see Monitoring Tools .

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