US2004162921A1PendingUtilityA1

SCSI enclosure services

47
Priority: Feb 24, 1999Filed: Feb 13, 2004Published: Aug 19, 2004
Est. expiryFeb 24, 2019(expired)· nominal 20-yr term from priority
Inventors:Kha Sin TeowPaul Ramsay
H04L 9/40H04L 41/12H04L 49/357G06F 3/0658G06F 3/0635H04L 41/0806G06F 3/0605
47
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Claims

Abstract

A method and system for a management station managing a plurality of routing devices within a fabric. In one embodiment, this management of routing devices comprising the fabric occurs in the Storage Area Network environment. Use is made of a protocol which already exists in a Storage Area Network environment, such as the Fibre Channel Protocol for SCSI (“FCP”), for managing routing devices within a fabric. Each routing device comprising the fabric is assigned a logical unit number, which, in one embodiment, is based on the domain identifiers of each routing device. Further, the routing device to which the management station is physically is also labeled as LUN 0, and serves as the logical fabric SCSI Enclosure Services controller unit. The fabric interacts with the management station as though the fabric were a logical fabric SCSI Enclosure Services device coupled to a plurality of logical fabric SCSI Enclosure Services units. The management station is thus able to obtain information about, and manage, any of the routing devices comprising the fabric.

Claims

exact text as granted — not AI-modified
1 . A logical fabric SCSI Enclosure Services device comprising: 
 a logical fabric SCSI Enclosure Services controller unit; and    a first logical fabric SCSI Enclosure Services unit coupled to the logical fabric SCSI Enclosure Services controller unit.    
     
     
         2 . The logical fabric SCSI Enclosure Services device of  claim 1 , further comprising a second logical fabric SCSI Enclosure Services unit.  
     
     
         3 . The logical fabric SCSI Enclosure Services device of  claim 1 , wherein the first logical fabric SCSI Enclosure Services unit corresponds to a routing device.  
     
     
         4 . The logical fabric SCSI Enclosure Services device of  claim 3 , wherein the routing device is a switch,  
     
     
         5 . The logical fabric SCSI Enclosure Services device of  claim 1 , wherein the first logical fabric SCSI Enclosure Services unit includes a logical unit number.  
     
     
         6 . The logical fabric SCSI Enclosure Services device of  claim 5 , wherein the first logical fabric SCSI Enclosure Services unit corresponds to a domain identifier, that is used to assign a logical unit number.  
     
     
         7 . The system of  claim 1 , wherein the fabric is a Fibre Channel fabric.  
     
     
         8 . A system for managing routing devices within a fabric, the system comprising: 
 a logical fabric SCSI Enclosure Services device; and    a management station coupled to the logical fabric SCSI Enclosure Services device.    
     
     
         9 . The system of  claim 8 , wherein the logical fabric SCSI Enclosure Services device comprises: 
 a logical fabric SCSI Enclosure Services controller unit; and    a logical fabric SCSI Enclosure Services unit coupled to the logical fabric SCSI Enclosure Services controller unit.    
     
     
         10 . The system of  claim 9 , wherein the logical fabric SCSI Enclosure Services controller unit corresponds to a routing device physically connected to the management station.  
     
     
         11 . The system of  claim 9 , wherein the logical fabric SCSI Enclosure Services unit is a Fibre Channel Protocol for SCSI (FCP) unit.  
     
     
         12 . The system of  claim 9 , wherein the fabric is a Fibre Channel fabric.  
     
     
         13 . A SCSI Enclosure Services management server comprising: 
 a configuration server; and    a logical unit generator adapted to receive information from the configuration server and to recharacterize a routing device as a logical fabric SCSI Enclosure Services unit.    
     
     
         14 . The SCSI Enclosure Services management server of  claim 13  further comprising: 
 a manager adapted to manage the routing device recharacterized as a logical fabric SCSI Enclosure Services unit.  
 
     
     
         15 . A method for managing a plurality of routing devices within a fabric, the method comprising the steps of: 
 assigning each of the plurality of routing devices a logical unit number.    
     
     
         16 . The method of  claim 15 , wherein the assigning step comprises assigning each of the plurality of routing devices a logical unit number based upon a corresponding domain identifier.  
     
     
         17 . The method of  claim 15 , further comprising the step of: 
 assigning a routing device a logical unit number of zero if the routing device is physically connected to a management station.    
     
     
         18 . A method for assigning logical unit numbers to a network of interconnected routing devices, the method comprising: 
 specifying a unique identification for one of the plurality of routing devices;    creating a logical unit number for the routing device based upon the unique identification; and    assigning the logical unit number to the routing device.    
     
     
         19 . The method of  claim 18 , wherein the unique identification for a routing device is a domain identifier.  
     
     
         20 . An electronically readable medium storing a program for permitting a computer to perform a method for managing a plurality of routing devices within a fabric, the method comprising: 
 assigning each of the plurality of routing devices a logical unit number.    
     
     
         21 . An electronically readable medium storing a program for permitting a computer to perform a method for assigning logical unit numbers to a plurality of routing devices, the method comprising: 
 specifying a unique identifier for one of the plurality of routing devices;    creating a logical unit number for the routing device based upon the unique identifier; and    assigning the created logical unit number to the routing device.    
     
     
         22 . The electronically readable medium of  claim 21 , wherein the unique identifier for one of the plurality of routing devices is a domain identifier.  
     
     
         23 . A network routing device for use in a fabric, the routing device comprising: 
 a logical fabric SCSI Enclosure Services controller unit; and    a logical fabric SCSI Enclosure Services unit coupled to said logical fabric SCSI Enclosure Services controller unit.    
     
     
         24 . The routing device of  claim 23 , wherein the routing device is a switch.  
     
     
         25 . The routing device of  claim 23 , wherein said logical fabric SCSI Enclosure Services controller unit includes a logical unit number and said logical fabric SCSI Enclosure Services unit includes a logical unit number different from that of said logical fabric SCSI Enclosure Services controller unit.  
     
     
         26 . The routing device of  claim 25 , wherein said logical fabric SCSI Enclosure Services unit logical unit number corresponds to a domain identifier of the routing device.  
     
     
         27 . The routing device of  claim 23 , further comprising: 
 a SCSI Enclosure Services management server.

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