A remote replication consistency group is in normal state.
Before initiating a primary/secondary switchover for that consistency group, which operation must be performed?

Which of the following statements about big data processing technology are true? (Multiple Choice)

There are two types of services in the storage system of an Internet company, including sequential service A and random service B.
These two businesses often compete for cache resources in the process of reading and writing. Which of the following characteristics can solve this problem?

When an asynchronous remote replication relationship is established between the primary volume of the primary site and the secondary volume of the remote slave site, an initial synchronization will be initiated. After the initial synchronization is completed, the data status of the secondary volume becomes complete, and then which of the following procedures is followed to complete the periodicity data synchronization? (Multiple choice)

Huawei OceanStor active-active disaster recovery solution supports heterogeneous storage, Therefore, an OceanStor V3 storage system and a Huawei certified third-party storage system can work in active-active mode through HyperMirror.