Ever had a problem equating your disk device output for boot disks to what you see on the EFI prompt?
map -r
?????
# ioscan -fneCdisk
Class I H/W Path Driver S/W State H/W Type Description
==================================================================
disk 0 0/2/1/0.0.0.0.0 sdisk CLAIMED DEVICE HP DG0300BALVP
/dev/dsk/c0t0d0 /dev/dsk/c0t0d0s3 /dev/rdsk/c0t0d0s2
/dev/dsk/c0t0d0s1 /dev/rdsk/c0t0d0 /dev/rdsk/c0t0d0s3
/dev/dsk/c0t0d0s2 /dev/rdsk/c0t0d0s1
Acpi(HWP0002,PNP0A03,200)/Pci(1|0)/Sas(Addr5000C5000A9C4FC9, Lun0)/HD(Part1,SigD061ACEA-862A-11DE-8000-D6217B60E588)/\EFI\HPUX\HPUX.EFI
Note: EFI is not agile aware you get nothing useful by trying ioscan -NfneCdisk
Tags: efi, efi not agile aware, iioscan, making ioscan output match efi output