Contents
Remote volume operations.......................................................................................................21
Copy groups.....................................................................................................................22
Consistency groups............................................................................................................23
Journal groups..............................................................................................................24
Copy group containers.......................................................................................................25
Terminology by Copy Type..................................................................................................27
Data Center Configurations......................................................................................................27
2DC Configuration.............................................................................................................27
4x4 Configuration.............................................................................................................29
The 2DC configurations......................................................................................................42
The 3DC configurations......................................................................................................43
The 4x4 configuration........................................................................................................50
Contents
3