Whether LUNs for different services of V3 series unified storage systems can contain extents of different sizes

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The extent size can be set when a storage pool is created. If you want LUNs for different services to have extents of different sizes, you can create different storage pools.

Other related questions:
Whether services are interrupted when V3 series unified storage systems take over LUNs from devices of other vendors
An owning storage pool needs to be configured for heterogeneous LUNs. Metadata space is allocated from this storage pool. Services are interrupted during the SmartVirtualization configuration preparation, which involves connection initialization, heterogeneous LUN scanning, mapping configuration, and host service startup.

Whether file systems of the OceanStor V3 Series and storage pools of LUNs can be used together
The file systems of the OceanStor V3 Series and storage pools of LUNs cannot be used together.

Whether the WWNs of external LUNs change after V3 series unified storage systems use the SmartVirtualization feature to take over the external LUNs
The WWN rules vary according to vendors. Therefore, after the local storage system takes over external LUNs and creates eDevLUNs, the WWNs of the eDevLUNs are different from those of the external LUNs. For some vendors, the WWN of an external LUN may be displayed as UUID.

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

Does V3 series unified storage support the mixed use of disks in different models?
No, the V3 series storage systems do not support the mixed use of disks in different models. Please purchase the disks of applicable models from Huawei.

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