VERITAS Volume Manager 3.5 Administrator's Guide (September 2004)

Creating and Administering Disk Groups
Reorganizing the Contents of Disk Groups
Chapter 4158
DCO volume accompany their parent volume during the move. Use the
vxprint command on a volume to examine the configuration of its
associated DCO volume.
Figure 4-4, “Examples of Disk Groups That Can and Cannot be Split,”
illustrates some instances in which it is not be possible to split a disk
group because of the location of the DCO plexes.