Veritas Storage Foundation 5.0 for Oracle RAC Configuration Guide Extracts for HP Serviceguard Storage Management Suite, Second Edition, May 2008

Using Storage Checkpoints and Storage Rollback
Determining Space Requirements for Storage Checkpoints
Chapter 4
46
Always reserve free disk space for growing volumes and file systems. You can also
preallocate sufficient space for each file system when the file system is first created or
manually grow the file system and logical volume where the file system resides.
See the vxassist(1) and fsadm_vxfs(1) manual pages for more information.