> sysctl kern.disks
kern.disks: ada8 ada9 ada4 ada5 ada0 ada1 cd0 ada7 ada3 ada6 ada2 nda0

> camcontrol devlist
<WDC WD101KRYZ-01JPDB1 01.01H02>   at scbus0 target 0 lun 0 (pass0,ada0)
<WDC WD121KRYZ-01W0RB0 01.01H01>   at scbus1 target 0 lun 0 (pass1,ada1)
<WDC WD161KRYZ-01AGBB0 01.01H01>   at scbus2 target 0 lun 0 (pass2,ada2)
<WDC WD161KRYZ-01AGBB0 01.01H01>   at scbus3 target 0 lun 0 (pass3,ada3)
<AHCI SGPIO Enclosure 2.00 0001>   at scbus6 target 0 lun 0 (ses0,pass4)
<WDC WD101KRYZ-01JPDB1 01.01H02>   at scbus8 target 0 lun 0 (pass5,ada4)
<WDC WD121KRYZ-01W0RB0 01.01H01>   at scbus11 target 0 lun 0 (pass6,ada5)
<WDC WD161KRYZ-01AGBB0 01.01H01>   at scbus13 target 0 lun 0 (pass7,ada6)
<PIONEER BD-RW   BDR-S09 1.51>     at scbus15 target 0 lun 0 (sg0,pass8,cd0)
<WDC WD161KRYZ-01AGBB0 01.01H01>   at scbus16 target 0 lun 0 (pass9,ada7)
<WDC WD161KRYZ-01AGBB0 01.01H01>   at scbus17 target 0 lun 0 (pass10,ada8)
<WDC WD161KRYZ-01AGBB0 01.01H01>   at scbus18 target 0 lun 0 (pass11,ada9)
<KINGSTON SA2000M8250G S5Z42105>   at scbus19 target 0 lun 1 (pass12,nda0)