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Data accessibility following an engine's power failure on a network where a 2-engine OceanStor V3 storage system is deployed

The back-end data of the engine cannot be accessed.

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Method used to obtain the HCNA big data learning materials

For details about courses and learning resources for Huawei HCNA big data engineers, see http://support.huawei.com/learning/trainFaceDetailAction?lang=en&pbiPath=term1000121094&courseId=Node1000011807.

Whether the HyperClone feature of the OceanStor V3 Series supports cross-engine or cross–storage system clone

The HyperClone feature does not support cross-engine clone of LUNs. The primary and secondary LUNs used for cloning must reside on the same engine.

Whether the SmartTier feature of the OceanStor V3 Series supports cross-engine data migration

The SmartTier feature does not support cross-engine data migration.

Whether an entire disk domain fails to work if the engine of a V3 series unified storage system is faulty and if the disk domain crosses multiple engines

In this case, some disks in the disk domain can be read and written. If a host requests to access data on the faulty engine, a read/write failure message is returned.

Disk enclosure layout on OceanStor V3 storage systems

All enclosures are evenly distributed among the SAS ports. The quantity difference of disk enclosures connected to each SAS port cannot exceed one. For details about the networking, see the Huawei Storage Networking Assistant: http://support.huawei.com/onlinetoolsweb/sna/?language=en

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Data accessibility following an engine's power failure on a network where a 2-engine OceanStor V3 storage system is deployed

Other related questions:

If you have more questions, you can seek help from following ways: