Listing Device Files with ioscan

# ioscan -fun             --> list all devices, and their associated device files
# ioscan -funC disk       --> only list disk class devices and their device files
# ioscan -funC tape       --> only list tape drives and their device files
# ioscan -funH 2/0/1.6.0  --> only list device files for the device at 2/0/1.6.0