Veritas FlashSnap Point-In-Time Copy Solutions 5.0.1 Administrators Guide, HP-UX 11i v3, First Edition, November 2009

Figure 2-1 illustrates some instances in which it is not be possible to split a disk
group because of the location of the DCO plexes. Relocate DCO plexes as needed.
See “Preparing a volume for instant snapshot operations” on page 29.
33Setting up volumes for instant snapshots
Preparing a volume for instant snapshot operations