$ sudo camcontrol devlist
<NECVMWar VMware IDE CDR10 1.00> at scbus1 target 0 lun 0 (cd0,pass0)
<VMware Virtual disk 1.0> at scbus2 target 0 lun 0 (da0,pass1)
<VMware Virtual disk 1.0> at scbus2 target 1 lun 0 (da1,pass2)
$ sudo camcontrol rescan all
Re-scan of bus 0 was successful
Re-scan of bus 1 was successful
Re-scan of bus 2 was successful
Re-scan of bus 3 was successful
$ sudo camcontrol devlist
<NECVMWar VMware IDE CDR10 1.00> at scbus1 target 0 lun 0 (cd0,pass0)
<VMware Virtual disk 1.0> at scbus2 target 0 lun 0 (da0,pass1)
<VMware Virtual disk 1.0> at scbus2 target 1 lun 0 (da1,pass2)
<VMware Virtual disk 1.0> at scbus2 target 2 lun 0 (pass3,da2)