A.Different remotely replicated LUNs in a consistency group can be located on different working controllers

B.All remote replication slave LUNs must be in the same remote storage system

C.Only the primary storage system supports adding remote replication on the system to the consistency group

D.The remote replication in the consistency group must be the same replication mode

A.MDS service is responsible for managing the metadata of the file system

B.DS service is responsible for storing the file data of the system, but not the storage of metadata

C.system are responsible for providing MDS services, and some nodes are responsible for providing DS services

D.CMS service is responsible for device management of the physical nodes of the cluster Some nodes in

A.False

B.True

A.The metadata on each node is a complete and independent copy

B.Oceanstor 900 metadata is stored in a mirrored way

C.The mirroring method does not provide the system's access rate to metadata

D.The purpose of mirror storage is to improve the security of metadata

A.Each branch backup domain operates independently, and the connection network failure with the main backup domain does not affect the backup job of the branch backup domain.

B.Register the remote client as an unconfigured client in the primary backup domain. The clients can be hidden and grouped.

C.The main backup domain actively collects metadata of each branch backup domain on a regular basis.
After the connection network between the branch backup domain and the main backup domain is interrupted and restored, Metadata transmission can be automatically repaired.

D.Integrate multiple branch backup domains into one primary backup domain, and centrally view the operation reports of each backup domain in the primary backup domain.