A.The unit storage cost of a disk is lower than that of a physical tape.

B.The backup and restoration performance is high.

C.The management and maintenance costs are low.

D.Disks where data is stored can be separated from the device that reads and writes data to these disks, implementing offline storage of data

A.RPO>0 RTO>0

B.RPO=0 RTO≈0

C.RPO≈0 RTO=0

D.RPO=0 RTO=0

A.storage s list

B.storage fs status show

C.storage fs online

D.storage fs status

A.Oceanstor 9000 has SMB3 MultichanneL enabled by default

B.When the client uses the SMB3.0 protocol, if the client has two or more GE/10GE/old network ports of the same type, the client will establish multiple connection channels on Oceanstor 9000

C.When the client adopts the SMB2.0/2.1/3.0 protocol, when file copying is performed inside Oceanstor 9000, it does not need to go through the client, and it can be done directly in the system at high speed.

A.SAN

B.Hot-Add

C.NAS

D.NBD.