A.Active-Active DC Solution

B.Active-Passive DR Solution

C.Local HA Solution

D.Geo-Redundant Solution

A.Data written to an OceanStor 9000 is divided into chunks at a size of 4 GB

B.The erasure code algorithm calculates M parity chunks for every N consecutive chunks.

C.Different data protection levels can be set for different directories and files.

D.The utilization rate of storage space is about N/(N+M), and reliability is determined by M, where a larger value of M results in higher reliability.

A.The target LUN is not on the same controller.

B.The target LUN is not mapped to a host,

C.The source LUN is smaller than the target LUN.

D.The target LUN is in use by another service.

A.Data processing node

B.High-performance storage node

C.Data storage node

D.Large-capacity archive node

A.Power supply system of the cabinet

B.Load bearing capability of the equipment room floor

C.Cabinet parameters