HP e1200-160 Addressing Methods and Table Structures

Addressing Methods and Table Structures

Fibre Channel and SCSI systems use different methods of addressing devices. The router has a method of translating device IDs so each SCSI device is mapped to the appropriate Fibre Channel LUN. The SCSI buses establish the bus connections between devices. Targets on a SCSI bus may internally address LUNs. The addressing of a specific SCSI device is represented by the BUS:TARGET:LUN triplet.

When a Fibre Channel Initiator initializes on a loop, the host must first determine what devices exist on the loop. Device discovery is performed and an FCP target device list is built. Each device is queried for FCP LUNs (the LUNs are the actual devices that the operating system will address.) The addressing used is the SCC Logical Unit Addressing and Peripheral Device Addressing method, shown in Table 20 through Table 23. First level addressing is supported, so only the first two bits of the 8-bit FCP LUN are used.

Network Storage Router e1200-160

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Contents

Page Network Storage Router e1200-160 Page Page Page Page Page Page Page Intended Audience Prerequisites Related Documentation Conventions consist of the following: ■Document Conventions ■Text Symbols ■Equipment Symbols Document Conventions Text Symbols Equipment Symbols WARNING: Rack stability protects personnel and equipment ■The leveling jacks are extended to the floor ■The full weight of the rack rests on the leveling jacks ■In single rack installations, the stabilizing feet are attached to the rack ■In multiple rack installations, the racks are coupled HP Technical Support HP Storage Website HP Authorized Reseller Page Introduction1 Figure 1 illustrates the I/O panel of the router Power Indicator Green Yellow Serial Port Ethernet Port Page Fibre Channel to SCSI Protocol Process SCSI to Fibre Channel Protocol Process StorageWorks Router LAN-freeBackup and Restore LAN Operating Environmental Requirements Shipping and Storing Environmental Requirements Power Requirements Configuration Overview Page Visual Manager Serial Telnet FTP Controller LUN Commands Fibre Channel Switched Fabric Configuration Discovery Mode There are two discovery methods available: ■Manual discovery ■Auto discovery Logical Unit Management Indexed Map Port 0 Device Map Auto Assigned Map SCC Map Buffered Tape Writes Page Visual Manager User Interface Page Main Menu Figure 6: Visual Manager Main menu tree Visual Manager (VM) can be accessed from any standard Web browser: 1.Connect a 10/100BaseT Ethernet cable to the back of the router 2.Apply power to the connected SCSI and/or Fibre Channel devices 3.Apply power to the host computer The factory default for the IP address is http://1.1.1.1 Enter the authorized user name and password. The username and password are The default user name is root and the default password is password Figure 7: Password Dialog Box Note: HP recommends changing the user name and password from the defaults Submit Configure Page Page Home System Ports Discovery Mapping Serial Network SNMP Active Fabric User Real-Time Clock ■Reset Menu Page Network Settings Port Configuration - Ethernet Settings (Service Mode - Restricted Access) See Figure 14 for an example of the Ethernet Configuration dialog box Figure 14: Ethernet Configuration dialog box Ethernet configuration settings: ■Ethernet Mode can be set to one of the following options: The Ethernet physical address is always assigned by the manufacturer ■IP address (default: 1.1.1.1) is the IP address of the router ■Subnet Mask (default: 255.255.255.0) is the IP subnet mask for the router IP Gateway DHCP Number of Controller LUNs User Configuration User Name Password Real-TimeClock Configuration Date Settings Day of Week Time Settings Reset Menu The Reset Menu is used to reset the router to factory default settings Figure 18 is an example of the Reset Menu Figure 18: Reset to Factory Default screen Page Submit Ports Menu tasks: ■Fibre Channel Port configuration changes Fibre Channel port settings ■SCSI Bus configuration changes SCSI bus settings Each Ports Menu option is discussed in the following subsections Link Status Port Name High Port Name Low ■Port Mode (default: N_Port) sets the port mode Port Mode settings: Auto Sense: N_Port: Manual Discovery Only Buffered Tape Writes Buffered Tape Queue Depth Default Map The current map can be set to: ■Performance Mode (default: 2 Gb/s) toggles between 1 Gb/s and 2 Gb/s Override Settings —Hi-SupBit toggles between Set and Clear Force FCP Response Code Off Primary Initiator ID Alternate Initiator ID Target ID(s) Note: Target IDs must be setup before mapping devices on the SCSI bus ■Discovery toggles between Enabled and Disabled Discovery Delay ■Bus Reset on Boot toggles between Enabled and Disabled ■Internal Termination toggles between Enabled and Disabled —Auto-assigned(default) contains all the devices attached to the router —Indexed —Custom SCSI bus override settings: —CDB Length Override enables or disables the override of default CDB lengths Synchronous Parameter Override Synchronous Period Synchronous Offset Ultra SCSI-3 Page Each physical port/bus on the router can have the following maps: To view or change map settings of a specific port or bus: To make changes to the configuration, enter the new value and then select ■Common Fibre Channel and SCSI Mapping Tasks, page ■Fibre Channel Mapping Tasks, page Common Fibre Channel and SCSI Mapping Tasks Select Host Edit/View Host Delete Host ■Add Map adds a new map Add ■Select Map adds a known map ■Edit/View Map displays or changes map information Viewing and changing map information is discussed in the following paragraphs Viewing and Changing Fibre Channel Host Information Viewing and Changing Fibre Channel Map Information Discovered Device Entry Create Entry Manual Device Entry Viewing and Changing SCSI Host Information Viewing and Changing SCSI Map Information SCSI Map settings: Reset SCSI system statistics FTP Utility access ■Trace Settings configuration configures trace settings Current Traces display Previous Traces display Last Assert Traces display Event Log Settings Event Log display Clear Event Log FTP Utility Access The FTP utility screen is used to open an FTP session Figure 28 is an example of the FTP utility screen To open an FTP session: 1.Enter the User Name, Password, and the IP address of the router 2.Click Connect Select the local file to upload or download. If necessary, click Browse Trace Settings Configuration Table 6 is a brief description list of the trace settings Current, Previous, and Last Assert Trace Displays Clear Current Traces and Clear Assert Traces Event Log Configuration Event Log settings: ■Log All Events ■Disable/Enable Event Logging ■Log Error Events Event Log Display Clear Event Log Page Page Page Serial/Telnet User Interface Page Page 1.From the Windows Start Menu, open the Command Prompt (DOS) window 2.At the ‘>’ prompt, enter: where <IP ADDRESS> is the IP address of the router 3.Enter the user name and password To open a serial session, a terminal emulator utility is required Enter Power up Messages ■1) Perform Configuration enters router configuration settings ■2) System Utilities displays system statistics and perform diagnostic tests 3) Display Trace and Assertion History displays trace information and clear the trace buffer ■4) Reboot reboots the router The Configuration Menu is used to configure the router Figure 39 is an illustration of the Configuration Menu Figure 39: Configuration menu Configuration Menu options: ■1) Baud Rate Configuration changes the baud rate on the serial port 5) Device Mapping 6) Trace and Event Settings Configuration ■7) Real-TimeClock Configuration sets the system clock 8) Active Fabric Configuration A) Save Configuration Ethernet Configuration and SNMP (SNMP not supported) To view or change configuration settings: 1.Select a menu option 2.Make the configuration changes 3.Select X) Return to previous menu to record the changes. Ethernet Configuration Menu options: 7) Toggle DHCP Configuration ■8) Change SNMP Settings is not supported is not supported 9) Change Security Settings Fibre Channel Configuration Fibre Channel Configuration Menu options: Change World Wide Name High (service mode-restricted access) changes the World Wide Port Name High 6) Toggle Buffered Tape Writes 7) Change Buffered Tape Queue Depth changes the tape backup queue depth. Select a value from 0 through 8) Toggle Port Mode Auto Sense 1) Toggle 2) Toggle Forcing FCP Response Code 3) Toggle Initiator Bit Setting in PRLI_ACC 4) Toggle FC Link Garbage Deletion Parallel SCSI Configuration Figure 43 is an illustration of the Parallel SCSI Configuration Menu Current settings for the selected SCSI bus are displayed SCSI Configuration Menu options: 1) Edit Initiator and Target Settings changes the SCSI Initiator and Target settings 1) Enable/Disable SCSI Initiator enables or disables the SCSI Initiator. Options are ■5) Set SCSI Termination Mode enables or disables the SCSI termination mode enables or disables the SCSI termination mode 6) Edit SCSI Target Override Settings —1) Toggle CDB Length Override: enabled or disabled : enabled or disabled Device Mapping Selecting the Current Map Displaying the Current Map Editing the Current Map Map Edit Menu options: ■1) Edit Name changes the name of the current map ■2) Edit Map Entries changes the content of the current map ■3) Clear Map erases all entries from the current map 4) Fill Map Next (N) Previous (P) Add (A) Create (C) Remove Gaps (R) Delete (D) Exit (X) To add a new entry to a SCSI map: 1.In the Edit Map Entries screen, select Add (A) 2.Enter a Target/LUN ID combination To pre-entera map entry for devices that are not yet online, select Create (C) Page Remove (R) Editing the Host List for the Current Map Edit (E) Page If the host is a SCSI host, the host name and the initiator ID must be entered To change host information, select Edit (E) Enter Page Displaying the Entire Device List Figure 59 is an illustration of the Entire Device screen Figure 59: Entire Device List screen Trace and Event Settings Configuration 5) Trace and Event Settings Configuration Figure 60: Utility Settings (trace settings) menu Configuring Trace Settings Configuring Event Settings Settings include: ■1) Log All Events (default) (default) ■2) Disable Event Logging ■3) Error Events Save Configuration Restore Last Saved Configuration Reset and Save Configuration to Factory Defaults C) Reset and Save Configuration System Utilities Menu Figure 66 is an illustration of the System Utility Menu System Utility Menu options: ■1) System Statistics Menu displays a variety of system status information ■2) Event Log displays the system Event Log Viewing System Status Information Viewing Fibre Channel Status Information 2) Display Attached Fibre Channel Devices 3) Display Fibre Channel Resource Status 4) Display Fibre Channel Driver Resource Status Display Fibre Channel Link Status Autorepeat Page To view a list of the devices attached to this port: In the Fibre Channel Status Menu, choose The Fibre Channel Device Display page is displayed 2. To refresh the display, select R) Refresh Device Display 3. To view device details, select D) Display Device Details To view FCP transport information, in the Fibre Channel Status Menu, choose Display Fibre Channel Resource Status Figure 72 is an illustration of the FCP Transport Queue page The Fibre Channel Driver Queues page is displayed Viewing SCSI Status Information 1) Issue discovery for all buses 2) Issue discovery for selected bus 3) Issue boot discovery 4) Display all local devices 5) Display local devices on specified bus Event Log 1) Display event log 2) Clear event log 1) Display trace for current boot cycle 2) Display trace from previous boot cycle 3) Display trace from the last assertion failure 4) Clear current trace buffer 5) Clear (flash) assert trace buffer 5.Enter the user name and password The factory default user name is root and the default password is password 6.Specify Bin mode: 7. Enter the appropriate command to copy the current or previous trace buffer: ■To copy the current trace buffer: 1.Select 5) Download a New Revision of the Firmware in the router Main Menu Transfer, Send File Send Page Page FTP User Interface To access the router using an FTP UI: 1.Connect the router to the Ethernet network used by the host computer 2.Start an FTP session using the router IP address: IP address Backing up the Router Configuration To backup the router configuration settings: 4.Specify binary mode: 5. Specify the filename (with the extension .cfg) using the get command: The file will transfer to the user-specifiedlocation Restoring the Router Configuration To restore a configuration to the router: where IP address is the address of the router The default IP address of the router is 5.Specify the configuration’s path and filename (with the filename extension Use the following procedure to save copies of the trace buffers: where IP address is the address of the router. The default router IP address is current trace buffer For the previous trace buffer, use the following command: where IP address is the IP address of the router The default router IP address is Specify the path and filename (extension Basic Troubleshooting Page Page Page ■Verifying SCSI bus configuration ■Verifying Fibre Channel port connection ■Verifying SCSI devices in Windows NT ■Verifying the router configuration ■Verifying mapping Verifying Fibre Channel Port Connection Verifying SCSI Devices in Windows NT To verify the Fibre Channel and SCSI devices: 1.Navigate to the Windows NT Control Panel, and select SCSI Adapters 2.Double click the Fibre Channel HBA. The SCSI devices should be listed Verifying the Router Configuration Verifying the Host Configuration Verifying HBA Device Driver Information Verifying Serial Port Configuration Verifying PRLI Data Software Features Installation Check Device Identification Firmware Upgrades Support Ticket Generation Analysis Finding Additional Information http://www.hp.com/support/tapetools Getting Support ltt_team@hp.com Serial and Ethernet Pin Assignments Page Page Page Controller LUN Commands Report LUNs Command The router returns the LUN Parameters as defined in Table All LUNs are reported and will appear in the host map Inquiry Command The format of the Inquiry Command is shown in Table EVPD Page unit serial number page The router returns the LUN Inquiry Data as defined in Table The router will only reply to a SCSI Inquiry using 8-byteLUN field of Page Addressing Methods and Table Structures Page Page Page Page Page Regulatory Compliance Notices Designation Clarification Page Page Page Laser Safety Warnings Compliance with CDRH Regulations 1976. Compliance is mandatory for products marketed in the United States Compliance with International Regulations Laser Product Label A label is located on the surface of the HP supplied laser device Laser Information Page Electrostatic Discharge ■Use a wrist strap connected by a ground cord to a grounded workstation or computer chassis. Wrist straps are flexible straps with a minimum of ■Use conductive field service tools ■Use a portable field service kit with a folding static-dissipatingwork mat audience authorized reseller, HP 15 auto-assignedaddressing described 176 auto-assignedmaps, defined Serial/Telnet UI 97 Visual Manager UI buffered tape writes Fibre Channel Page Page Page deleting (removing) the current map Visual Manager UI deleting a host from the host list Serial/Telnet UI 121 Visual Manager UI displaying the entire device list Serial/Telnet UI editing entries Serial/Telnet UI editing the host list of the current map Serial/Telnet UI port configuration Serial/Telnet UI power requirements, of router 24 power supply power-upmessages, illustrated 94 prerequisites PRLI data, troubleshooting process, converting Fibre Channel to SCSI, illustrated Page editing the host list of the current map, edit options, listed initial access 108 listed screen navigation 109 selecting the current map selecting the host for the current map 120 viewing the current map overview of the UI 27 port configuration 101 reboot option, described Page Serial/Telnet UI 142 user configuration Serial/Telnet UI 100 Visual Manager UI user interfaces, listed 27 utilities configuration Serial/Telnet UI 130 Visual Manager UI Visual Manager Clear Current Trace Buffer screen, illustrated