Whether services are stopped upon the initial synchronization of the HyperMirror feature in the OceanStor V3 Series

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You do not need to stop services upon the initial synchronization. The HyperMirror feature supports dual-write, round-robin read, and online synchronization.

Other related questions:
Initial synchronization of OceanStor V3 storage systems
Initial synchronization of remote replication for OceanStor V3 storage systems can be performed online.

Whether data is synchronized between the primary and secondary LUNs if the HyperClone feature of the OceanStor V3 Series is in the non-split state
Data is synchronized between the primary and secondary LUNs if the HyperClone feature is in the non-split state.

Whether the WORM feature of the OceanStor V3 Series supports the file level
Only file system–level WORM is supported. Directory- or file-level WORM is not supported. You can manually enable a file system to enter the protection state. Alternatively, you can set the state of a file system to automatic protection. Determine whether the WORM feature is used when you create a file system.

SmartCache feature of OceanStor T series/V3 series
SmartCache is an intelligent caching technology that uses SSDs as read cache resources. This technology creates a SmartCache pool of SSDs and migrates frequently accessed random small I/Os from conventional hard disk drives (HDDs) to the high-speed cache pool. The data read speed of SSDs is much faster than that of HDDs, so SmartCache greatly shrinks the hot data response time and improves the system performance. SmartCache divides an intelligent cache pool into partitions that provide fine-grained SSD cache resources for services. Different services can share one partition or use different partitions. The partitions are isolated from each other. More cache resources can be allocated to key applications to ensure application performance. SmartCache does not interrupt existing services or compromises data reliability.

Whether the IP address floating feature of the OceanStor V3 Series can be applied to both file and iSCSI services
The IP address floating feature of the OceanStor V3 Series is only applicable to the file service.

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