lbolt error : how to find the device in HP-UX?

1. # dmesg | grep lbolt | grep dev

SCSI: Request Timeout -- lbolt: 74105435, dev: 1f000000
SCSI: Abort Tag -- lbolt: 74105435, dev: 1f000000, io_id: 4ead34

2. # printf "%#d\n" 0x1f

Character     Block       Driver          Class
       31          -1         fcd             fc
      188          31         sdisk           disk

3. # lsdev 31

4. ll -R /dev/ | grep 31 | grep 0x000000

5. lssf /dev/dsk/c?t?d?