In the process of isomorphic online migration, if the host sends read I/O, it must go to the source storage to read the data and return it to the host.

In the Huawei HyperMetro active-active solution, when the link of the active-active data center fails, it will enter the "to-be-synchronized state". To quickly restore services, you can choose to force the local storage system or the remote storage system to continue to provide services for the host. At this time, the active-active service status will enter "Normal".

( ) 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.

What are the recovery modes of Huawei BCManager disaster recovery drill? (Multiple Choice)

Due to the needs of business development, an enterprise customer plans to purchase new Huawei all-flash storage devices to replace the old storage devices. The current networking mode is fiber-optic networking, and the service hosts and networking methods remain unchanged.
MigrationDirector for SAN is used for this storage migration. Which of the following options are correct? (Multiple Choice)