Device to translate logical unit number communications on one SCSI bus to ID communications on a subordinate SCSI bus
US5239632A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 16, 1992 |
| Grant date | Aug 24, 1993 |
| Priority date | — |
| Expiry date | Apr 16, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F13/4226
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A system and method that allows for up to fifty-six devices to be connected to a SCSI bus where there does not have to be any modification of the devices in terms of the SCSI interface. The Logical Unit Number of the SCSI ID number provided on a master SCSI bus is used as the subordinate bus SCSI ID number on a subordinate SCSI bus. Remapping of the data from the master SCSI bus to the subordinate SCSI bus is accomplished using this Logical Unit Number. In this way, direct communications appears to be occurring between a target device connected to the subordinate SCSI bus and an initiator device connected to the master SCSI bus. The Selection and Reselection cycles of the SCSI protocol are accommodate without any modification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.