How I can identify a physical disk in T5120 with LSI raid hardware?

How I can identify a physical disk in T5120 with LSI raid hardware?
for example:

which physical slot is 0.5.0?

AVAILABLE DISK SELECTIONS:
      0. c1t0d0 <LSILOGIC-LogicalVolume-3000 cyl 65533 alt 2 hd 16 sec 273>
          /pci@0/pci@0/pci@2/scsi@0/sd@0,0
       1. c1t2d0 <LSILOGIC-LogicalVolume-3000 cyl 65533 alt 2 hd 16 sec 273>
          /pci@0/pci@0/pci@2/scsi@0/sd@2,0

#raidctl -l
Controller: 1
        Volume:c1t0d0
        Volume:c1t2d0
        Disk: 0.1.0
        Disk: 0.3.0
        Disk: 0.4.0
        Disk: 0.5.0

raidctl -l c1t0d0
Volume                  Size    Stripe  Status   Cache  RAID
        Sub                     Size                    Level
                Disk                                   
----------------------------------------------------------------
c1t0d0                  136.6G  N/A     OPTIMAL  OFF    RAID1
                0.5.0   136.6G          GOOD   
                0.1.0   136.6G          GOOD   

root@comsun26 # raidctl -l c1t2d0
Volume                  Size    Stripe  Status   Cache  RAID