If the two sites to be migrated are far apart, and the network loss has a great influence on the migration rate, do not adopt the scheme of direct cross-site migration.

The standard backup technology of Huawei's data protection appliance combines virtual snapshot technology to generate periodic point-in-time copies, and combines virtual snapshot data and log data in log volumes to achieve data recovery at any point in time.

( ) deduplication means that data is divided into blocks of variable size according to its own content for deduplication, which is mainly used in the field of backup.

Huawei distributed storage, with 50 nodes, needs to use aggregation switches when planning the network

The intelligent load balancing technology in Huawei's distributed storage, its access mode is Active-Active