To set a DMP timable parameter, use the following command:
# vxdmpadm settune dmp_tunable=value
To display the values of the DMP tunable parameters, use the following command:
# vxdmpadm gettune [dmp_tunable]
You can also use the template method to view or change DMP tunable parameters.
See About tuning Dynamic Multi-Pathing (DMP) with templates.