Tunables are modified by using SMH or the kctune utility. Changed tunables take effect only after relinking the kernel and booting the system from the new kernel.

The values of system tunables can be examined by selecting Kernel Configuration > Tunables in SMH.

DMP tunables are set online (without requiring a reboot) by using the vxdmpadm command as shown here:

# vxdmpadm settune dmp_tunable=value

The values of these tunables can be displayed by using this command:

# vxdmpadm gettune [dmp_tunable]