Veritas Volume Manager (VxVM) provides a variety of parameters that you can use to tune your configuration.
Change the VxVM tunable parameters with one of the following methods:
Use the vxtune command to display or modify the values of the VxVM tunable parameters.
Use the template method of the vxtune command.
More Information
Tunable parameters for VxVM
Changing the values of the Veritas Volume Manager tunable parameters using the vxtune command line
Changing the value of the Veritas Volume Manager tunable parameters using templates