Understanding SCSI addressing on Red Hat Enterprise Linux

In common with the SCSI protocol definitions Linux represents scsi addresses as a sequence of 4 ID numbers that uniquely identify the location of a SCSI device within the system. These are referred to as Host, Bus, Target, Lun (HBTL) or Host, Channel, Id, Lun (HCIL ) SCSI addresses. HBTL is the most commonly used acronym in the SCSI literature however some commands and log files label this HCI...