Instance Name
The instance name represents the kernel’s abbreviated name for every possible device on the system. For example, on an Ultra system, dad0 represents the instance name of the IDE disk drive, and hme0 is the instance name for the network interface. Instance names are mapped to a physical device name in the /etc/path_to_inst file. The following shows the contents of a path_to_inst file:
more /etc/path_to_inst # # Caution! This file contains critical kernel state "/pci@1f,0" 0 "pci" "/pci@1f,0/pci@1,1" 0 "simba" "/pci@1f,0/pci@1,1/ide@3" 0 "uata" "/pci@1f,0/pci@1,1/ide@3/sd@2,0" 2 "sd" "/pci@1f,0/pci@1,1/ide@3/dad@0,0" 0 "dad" "/pci@1f,0/pci@1,1/ebus@1" 0 "ebus" "/pci@1f,0/pci@1,1/ebus@1/fdthree@14,3023f0" 0 "fd" "/pci@1f,0/pci@1,1/ebus@1/su@14,3062f8" ...
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