VERITAS Volume Manager 3.1 Administrator's Guide

Introduction to Volume Manager
Virtual Object Data Organization (Volume Layouts)
Chapter 1 47
stripe-mirror layout, only the failing subdisk must be detached, and only
that portion of the volume loses redundancy. When the disk is replaced,
only a portion of the volume needs to be recovered.
Compared to mirroring plus striping, striping plus mirroring offers a
volume more tolerant to disk failure. If a disk failure occurs, the recovery
time is shorter for striping plus mirroring. See “Layered Volumes” for
more information.