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

Administering Volumes
Enabling Persistent FastResync on Existing Volumes with Associated Snapshots
Chapter 8292
Step 6. Perform this step on any snapshot volumes as well as on the original
volume.
Enable Persistent FastResync on the volume using this command:
# vxvol [-g diskgroup] set fastresync=on volume