A Customer needs to back up data on HUAWEI CLOUD. HUAWEI CLOUD provides server backup and cloud hard disk backup. Among them, cloud hard disk backup can back up the system disk and restore it to a cloud host through the system disk.

After the newly purchased hybrid storage replaces the old storage, prepare to switch services. Which of the following operations are correct? (Multiple Choice)

Which of the following is not a preparatory work before database migration?

Which OS platforms does Huawei Storage Heterogeneous Online Migration support from Companion Storage? (Multiple Choice)

In Huawei's distributed storage, the block service asynchronous remote replication architecture is based on the block service cluster to build an asynchronous replication relationship. Based on the difference data, the data of the master and slave volumes are periodically synchronized. After the data synchronization in the last synchronization cycle is completed, all the data generated on the master volume will be written to the slave volume during the current synchronization cycle until the current synchronization cycle begins.