Core Concept

Nodes

Instances for running compute or storage tier component processes. These can either be physical machines, virtual machines, or containers, etc.

Cluster

Multiple nodes that are assembled together to provide a specified service.

Source

The storage cluster where the original data resides.

Target

The target storage cluster to which the original data is to be migrated.

Data Migration Process

The entire process of replicating data from one storage cluster to another.

Stock Data

The data that was already in the data node before the data migration operation started.

Incremental Data

New data generated by operational systems during the execution of data migration operations.