In a Solaris Zones environment, the GFS Shared File system that was created on a global zone can be used in a non-global zone.
See
For the setting procedure to use the GFS Shared File system, which was created on a global zone, in a non-global zone, see Note in "1.8.10 GFS operational notices for Solaris Zones."
Figure 1.4 Sharing file system in a Solaris Zones environment