A.Polling

B.Concurrency

C.Deduplication

D.Snapshot

A.Large-capacity archive node

B.High-performance storage nodes

C.Data processing node

D.Data storage node

A.Provide shared services externally in a cluster mode, and nodes can monitor each other's service status

B.The unit of FTP sharing is a directory, and the shared directory can be accessed by multiple clients

C.It can provide the status of business nodes to achieve load balancing, and data access is evenly distributed in the cluster.

D.Compatible with multiple operating systems

A.File system remote replication relies on snapshot technology. When periodic synchronization starts, the master and slave file systems will automatically generate snapshots

B.BP (Block Pointer) is the metadata used to record the storage location of data blocks in the file system

C.The source file system refers to the file system where the source data that needs to create a snapshot is located

D.COW (Copy On Write) refers to the copy-on-write technology, which is the core technology for realizing file system snapshots

A.InfoLocker

B.InfoEqualize

C.InfoProtector

D.InfoStamper