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ETERNUS SF AdvancedCopy Manager 14.2 Operator's Guide

1.3.2 What is the replication function?

The replication function of AdvancedCopy Manager provides operation management of replications by using the OPC (One Point Copy), EC (Equivalent Copy), and REC (Remote Equivalent) function of a Fujitsu Storage Systems ETERNUS.
As a result, the following replication operations become possible.

High-speed replication operation

The advanced copy function (OPC/EC function) of the ETERNUS disk storage systems is used to perform high-speed replication between volumes regardless of volume capacities. This function greatly reduces the impact of a replication operation.

Faster backups can be made by using update differential copies with the Advanced Copy function.

Consistency recovery function

The consistency recovery function resolves inconsistencies in the AdvancedCopy Manager replication management information caused by a system or other type of failure.

Main differences with backup function

In backup function, policy management and history management are possible, but they are not possible in replication function.
In replication function, replication between two volumes is possible.