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Chaparral VFS226 User Manual

Fibre channel-to-scsi router
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Chaparral VFS226
Fibre Channel-to-SCSI Router
User's Guide

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  • Page 1 Chaparral VFS226 Fibre Channel-to-SCSI Router User’s Guide...

  • Page 3: Technical Support

    Copyright © 2000, 2001 Chaparral Network Storage, Inc. This document covers the VFS226. Document Number: 07-0044-002-B All rights reserved. No part of this publication may be reproduced without the prior written consent of: Chaparral Network Storage, Inc. 7420 E. Dry Creek Parkway Longmont, Colorado 80503 http://www.chaparralnet.com...

  • Page 4: Canadian Compliance Statement

    This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference and (2) this device must accept any interference received, including interference that may cause undesired operation. Canadian Compliance Statement This Class A digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regulations.

  • Page 5: Laser Safety

    EN 60950—Specification for Safety of Information Technology Equipment (ITE), including Electrical Business Equipment IEC 950—Safety of Information Technology Equipment (ITE), including Electrical Business Equipment The VFS226 has been tested to EN 6100-3-2, EN 6100-3-3, and EN 55024. Laser Safety Certification and Classification Information This product uses Gigabit Interface Converters (GBIC) to interface with Fibre Channel links.

  • Page 7: Table Of Contents

    Introduction About this Guide ...1-1 Conventions ...1-2 Chaparral VFS226 Router Benefits and Features About Serverless Backup and Restore Specifications ...1-5 Installing the Router Unpacking the Router Installing the Router ...2-2 Installing on a Desktop Installing in a Rack Connecting the Router...
  • Page 8 VFS226 Rack User’s Guide Restoring the Default Settings Rebooting the Router Changing and Displaying Device Information Changing the Mapping Mode (AUTO or FIXED) Changing Device Addresses (FC LUNs) Changing Addressing Method Displaying the Devices Connected to the Router Displaying the FC-to-SCSI Address Map...
  • Page 9 Reference Documents Standards ... C-1 Books ... C-2 LAN Configuration Configuring the Router for TCP/IP Using Address Resolution Protocol Dynamic Host Configuration Protocol Configuration Configuring the Additional LAN Settings System Configuration Screen TCP/IP Configuration Screen SNMP Configuration Screen Restarting the LAN Board System Information screen Returning to the Router Administrator Software Glossary...
  • Page 10 VFS226 Rack User’s Guide viii...

  • Page 11: Introduction

    This User’s Guide explains how to install and use the Chaparral™ VFS226 router. This member of the Velocity family of routers is a Fibre Channel (FC)-to-Small Computer System Interface (SCSI) router that enables connectivity between SCSI devices and storage area networks (SANs). The router provides Fibre Channel connection to SCSI devices allowing them to be attached to either a Fibre Channel Arbitrated Loop (FC-AL) or switched fabric.

  • Page 12: Conventions

    This Guide uses several typographical conventions to help explain how to use the router. Convention Bold CTRL-R Chaparral VFS226 Router Benefits and Features The router offers you three key benefits: Allows you to connect legacy SCSI devices to Fibre Channel SANs Allows you to manage these devices Frees your servers from storage-related traffic, such as your data backup load, using the serverless backup option.
  • Page 13 Support for up to 128 FC initiators with up to 32 concurrently active Six independent Ultra 160 SCSI device channels Support of up to 63 SCSI devices on six independent SCSI channels (up to 15 IDs per channel) Addressing of up to 64 FC Logical Unit Numbers (LUNs) One RS-232 serial port One 10BaseT Ethernet port Industry-leading data transfer (MB/sec) and transaction processing rates (IOPS)

  • Page 14: About Serverless Backup And Restore

    VFS226 Rack Model User’s Guide About Serverless Backup and Restore Recent advances in data protection architectures have added the ability to backup data by moving it directly from disk to tape without first passing through a backup server. This is called serverless backup, and it utilizes a new SCSI command, Extended Copy (EC).

  • Page 15: Specifications

    Specifications The Chaparral VFS226 router is a self-contained FC-to-SCSI router in a 1U rack enclosure with an integrated power supply. The router is ideal for attaching legacy SCSI storage devices to Fibre Channel SANs. You can install the unit in an industry-standard cabinet using the Chaparral-supplied mounting brackets.
  • Page 16 VFS226 Rack Model User’s Guide Item Environmental Caution: The LVD interfaces require LVD-qualified SCSI cables. ❒ Table 1-1. Product specifications (Continued) Specification 0°C to +40°C external ambient, normal operating 0°C to +61°C internal, operating An alarm sounds when router operates between +0°C to +4°C and +57°C to +61°C (internal...

  • Page 17: Unpacking The Router

    This chapter provides step-by-step instructions for installing the router. You must take many factors into consideration while planning the router installation. Due to the versatility of the router and the diversity of available host platforms, host bus adapters (HBAs), switches, hubs, storage devices, and applications, only general guidelines are found in this Guide.

  • Page 18: Installing On A Desktop

    Record the Media Access Control (MAC) address located on the bottom of the router chassis for future reference. Figure 2-1 below shows the front and rear panels of the VFS226. Figure 2-1. VFS226 front and rear panels Installing the Router...

  • Page 19: Connecting The Router

    Parts required for this procedure (shown in Figure 2-2) Left and right mounting brackets (only left bracket shown) Four mounting screws (10-32 panheads) Figure 2-2. Mounting bracket and screws Recommended tools for this procedure: #2 Phillips screwdriver To install the router in a rack: Determine where in the rack you want to mount the router.

  • Page 20: Connecting To The Scsi Channels

    FC host and the RS-232 or Ethernet ports. Connecting to the SCSI Channels With the VFS226, you can attach SCSI storage devices to up to six of the router’s SCSI channels. Up to 15 SCSI devices can be attached to each channel (63 devices + router LUN = 64 LUNs visible to the host system).

  • Page 21: Connecting To The Fibre Channel Port

    2-4. Connect the other end of the SCSI cable to the SCSI device. Make sure each device on the SCSI bus has a unique address (the VFS226 uses address 7 by default). Make sure that each channel is properly terminated.

  • Page 22: Connecting To The Rs-232 Port

    VFS226 Rack Model User’s Guide Connecting to the RS-232 Port You use the RS-232 port to update the firmware, configure, and monitor the router using a VT-100/ANSI computer with a terminal emulator. For more information about the configuration and management capabilities, see You must use the RS-232 cable that came with the router or one configured like it.

  • Page 23: Connecting To The Ethernet Port

    The router recognizes all SCSI devices connected to the six SCSI channels on the VFS226, and assigns each device a unique LUN address, which will be mapped as part of a unique FC address. You can configure the router to assign itself a LUN for in-band management, server-free backup, and other uses.

  • Page 24: Understanding The Led Status Lights

    VFS226 Rack Model User’s Guide To make the host FC connection: Connect the Fibre Channel cables to the router and the host computer/hub/ switch. You can use one or both FC connections. If only one connection is used, disable the unused FC connection.
  • Page 25 Table 2-2. LED status lights (Continued) Label Description Link Host FC Green Link Status FC Host Activity Green VFS226 SCSI Green channel 0 activity VFS226 SCSI Green channel 1 activity VFS226 SCSI Green channel 2 activity VFS226 SCSI Green channel 3 activity...

  • Page 26: Router Default Settings

    VFS226 Rack Model User’s Guide Router Default Settings Table 2-3 below lists the router default settings. If these settings meet your needs, you can use your router now. If they do not, you can change the settings. See Configuring the Router.

  • Page 27: Installation Configuration Examples

    Installation Configuration Examples You can install the router in a variety of configurations to meet your needs. The examples below show the most common installation configurations. Simple loop with two devices on a SAN (FC-AL) Figure 2-5. Simple loop configuration example Single server on a SAN (FC-AL) Figure 2-6.
  • Page 28 VFS226 Rack Model User’s Guide Multiple servers on a SAN (FC-AL) Figure 2-7. Multiple server configuration example SAN with fabric (FC-SW) 2-12 Figure 2-8. SAN configuration example...
  • Page 29 Multiple SANs with fabric (FC-SW) Figure 2-9. SAN with fabric configuration example Extended copy configuration—serverless backup that performs backup operations directly from disk to tape without copying the data to the server Figure 2-10. Extended copy configuration example Installing the Router 2-13...
  • Page 30 VFS226 Rack Model User’s Guide Combination loop and switch configuration. Figure 2-11. Combination loop and switch example ❒ 2-14...

  • Page 31: Configuring The Router

    You can display and change a variety of settings using the Router Administrator software. Using the Router Administrator, you can: Change the router configuration settings (see Reboot the router (see Display information about the router (see Display information about the devices attached to the router (see Change address mapping information for the devices (see In addition, you can use the Flash Utility to update the router’s firmware.
  • Page 32 VFS226 Rack Model User’s Guide Press Ctrl-r. The initial Chaparral FC-to-SCSI Router Administrator screen displays. Press Enter. The System Menu displays. You can now perform all of the functions described in this chapter. All steps in this chapter start from the System Menu.
  • Page 34 VFS226 Rack Model User’s Guide The Enter Password screen displays. Enter your password and press Enter. There is no default password, just press Enter. Either the Network Management System Console screen or the Router Administrator screen displays depending on the settings in the System Configuration menu. The default setting takes you directly to the Router Administrator screen.

  • Page 35: Configuring The Router's Network Settings

    To access the Router Administrator software using the Ethernet port and the Telnet utility: At the DOS or UNIX prompt, enter telnet and press Enter. You should set your Telnet terminal preferences for the router connection. Using the Terminal menu, select Preferences. Select VT100 Arrows option, VT-100/ANSI emulation, and terminal font.

  • Page 36: System Configuration Screen

    VFS226 Rack Model User’s Guide System Configuration Screen Option 1 from the Network Management System Console screen displays the System Configuration screen. This screen allows you to change the system name, password, and Telnet timeout. You can also change the default setting to go straight to the Router Administrator software by selecting 9, Jump to Controller.

  • Page 37: Snmp Configuration Screen

    Table 3-1 lists Ethernet default settings for use in the following menu items. Although this version of the router has no SNMP traps, gateways are included for future expansion. Table 3-1. Ethernet default settings Setting Default IP address 10.0.0.1 IP mask 255.255.255.0 Gateway 0.0.0.0...

  • Page 38: Restarting The Router

    VFS226 Rack Model User’s Guide This screen allows you to set the SNMP trap host, enable the traps, and read or write to the SNMP community (refer to your LAN system administrator for assistance in reading or writing to SNMP community).

  • Page 39: Navigating The Router Administrator Software

    You can now perform all of the functions described in the rest of this chapter. All steps in this chapter start from the System Menu. Accessing the Network Management System You can access the network management system software from the Router Administrator. To access the network management system: From the System Menu of the Router Administrator, select Configuration Menu and press Enter.
  • Page 40 VFS226 Rack Model User’s Guide The Menu Tree illustrates the main menu options and sub-options. Figure 3-1. Menu Tree 3-10...

  • Page 41: Changing The Screen Display

    Changing the Screen Display After you have accessed the Router Administrator software, you can change the screen display using a combination of keystrokes, as shown on the System Menu. Table 3-2 lists the keystrokes required to change various screen displays. Select Function Ctrl-A...

  • Page 42: Configuring The Fc Host Channels

    VFS226 Rack Model User’s Guide Configuring the FC Host Channels You can configure several settings for each FC host channel independently: Enable/Disable—You can disable the FC host channels. You should disable a channel if you are not using it. This improves performance by stopping the router from continuously trying to acquire a link up.
  • Page 43 Note: When using an EC-enabled router, the router LUN must be visible to perform Extended Copy in some software applications. Link speed—You should set the FC channel link speed to match your FC speed. You can set the speed to: 1GB, 2 GB, or AUTO. AUTO attempts to determine the speed of the link/loop and configures the FC chip appropriately.
  • Page 44 VFS226 Rack Model User’s Guide Select the FC channel you want to configure and press Enter. The Enabled/Disabled screen displays with the current setting marked with an *. Select Enabled or Disabled and press Enter. If you are not using one channel, you should disable it. If you do not, performance will be slower because the router will continue to try to acquire a link to it.
  • Page 45 Select the Topology that matches your configuration and press Enter: – LOOP—use this option for all configurations except when the channel is connected to a switch F-port. See page 2-11. – POINT-TO-POINT—use this option only when you connect the channel to a switch F-port.
  • Page 46 VFS226 Rack Model User’s Guide If the Loop ID screen displays, select the option or number you want to use and press Enter. Let the FC loop initialization process determine the Loop ID for the channel each time the router powers up...

  • Page 47: Changing The Scsi Id Assigned To Each Router Channel

    Select Yes and press Enter to make the changes. The system confirms that the changes are made. Press Enter to return to the Host Configuration Menu. Note: If you change the topology, FC Link Speed, Loop ID, or router LUN, you must reboot the router for the change to take effect. See Rebooting the Router on page LUN, check it to see if the current setting is what you entered.
  • Page 48 VFS226 Rack Model User’s Guide Select the SCSI channel (0-5) whose SCSI ID you want to change and press Enter. The Channel screen displays. Select the SCSI ID (Initiator ID) you want to use for this channel and press Enter.

  • Page 49: Setting The Date And Time

    Setting the Date and Time You can set the router’s date and time. To set the router’s date: From the System Menu, select Configuration Menu and press Enter. The Configuration Menu screen displays. Select Set Date/Time and press Enter. The Set Date/Time screen displays. Select Set Date and press Enter.
  • Page 50 VFS226 Rack Model User’s Guide To set the router’s time: From the System Menu, select Configuration Menu and press Enter. The Configuration Menu screen displays. Select Set Date/Time and press Enter. The Set Date/Time screen displays. Select Set Time and press Enter.

  • Page 51: Changing The Scan Delay

    Changing the Scan Delay You can control how long the router waits before scanning its SCSI channels for devices. You may want to change this setting if you have devices that take longer to come ready than the router (for example, after a system wide power cycle). To change the scan delay: From the System Menu, select Configuration Menu and press Enter.
  • Page 52 VFS226 Rack Model User’s Guide Table 3-4 shows the temperature and voltage thresholds for each alarm and what to do to resolve the problem. Alarm threshold CPU temperature Warning—0°C to 4°C and 91°C to 100°C Shutdown—<0°C and >100°C On-board temperature Warning—0°C to 4°C and...

  • Page 53: Restoring The Default Settings

    Restoring the Default Settings You can restore all of the router’s default settings. You may want to do this if the router is not working properly and you cannot determine why. This lets you then change the settings that are critical to your configuration, specifically the topology. For a table of the default settings, see To restore the default settings: From the System Menu, select Configuration Menu and press Enter.

  • Page 54: Changing And Displaying Device Information

    VFS226 Rack Model User’s Guide Changing and Displaying Device Information You can change and display information about the devices connected to the router using the Router Administrator. You can: Change the mapping mode (AUTO or FIXED) Change device addresses Change the addressing method...

  • Page 55: Changing Device Addresses (Fc Luns)

    Select Mapping Mode press Enter. The Mapping Mode screen displays. The current setting is marked with an * next to Select the option you want and press Enter: AUTO—lets the router assign the FC LUN to each device anytime you power up the router.
  • Page 56 VFS226 Rack Model User’s Guide If you assign an FC LUN that is already in use, the FC LUNs for the two devices are swapped. For example, if device A has LUN 01 and device B has LUN 03, and you assign 03 to device A, the LUN for device B becomes 01.

  • Page 57: Changing Addressing Method

    Changing Addressing Method From the System Menu, select Addressing Method and press Enter. The Addressing Method screen displays. Select Addressing Method and press Enter. The Addressing Method screen displays. Select the option you want and press Enter (the systems confirms the change). –...

  • Page 58: Displaying The Fc-To-Scsi Address Map

    VFS226 Rack Model User’s Guide To display the devices connected to the router: From the System Menu, select Display Devices and press Enter. The Display Devices screen displays. Press Esc to return to the System Menu. Displaying the FC-to-SCSI Address Map You can display the FC-to-SCSI address map for all of the SCSI devices connected to the router.

  • Page 59: Displaying Router Information

    Select Display Address Map press Enter. The Display Address Map screen displays. Press Esc to return to the Address Mapping screen. Displaying Router Information You can display important information about the router using the Router Administrator, including: Event log (see Hardware and configuration information (see Router’s LUN (see Displaying the Event Log...
  • Page 60 VFS226 Rack Model User’s Guide You should check the log regularly. The event log stores the most recent 400 events. Events are numbered from 001 to 999. The numbering wraps back to 001 after reaching 999. Note: If you are having a problem with the router, check the event log before calling technical support.

  • Page 61: Capturing The Event Log File

    Press to see the previous event. ↑ You can continue to view earlier events by pressing Press Esc to return to the Event Log Menu. To display a full page of events: From anywhere in the Router Administrator software, press CTRL-E until the event log is displayed at the bottom of the screen.

  • Page 62: Displaying Hardware And Configuration Information

    VFS226 Rack Model User’s Guide To capture the event log file: With HyperTerminal up and running as your RS-232 interface terminal, press CTRL-E until the event log displays. A full screen of events displays with the most recent event at the bottom.
  • Page 63 Table 3-5. Configuration information (Continued) Group Field What displays FC Speed Auto GBIC Signal present—FC is up and receive running status No signal—FC is not up and running Node FC World Wide Name for node. Port WWN FC World Wide Name for port.
  • Page 64 VFS226 Rack Model User’s Guide Group Field Mapping Mode Addressing Method CAPI Version FC LIB Version To display hardware information only: From the System Menu, select Utilities Menu and press Enter. The Utilities Menu screen displays. Select Hardware Information and press Enter.
  • Page 65 To display hardware and configuration information: From anywhere in the Router Administrator software, press CTRL-E until HW Info: is displayed at the bottom of the screen. Press CTRL-E again. The CFG Info screen displays. Press d to page down to display the second page of information. Press Esc to return to where you started from.

  • Page 66: Displaying The Router's Fc Lun

    VFS226 Rack Model User’s Guide Displaying the Router’s FC LUN You can display the router’s FC LUN and the FC LUNs of each device connected to the router. To display the router’s LUN: From the System Menu, select Address Mapping and press Enter.

  • Page 67: Upgrading Firmware

    Upgrading Firmware You can upgrade the firmware for the controller and the Ethernet card in the router. Information regarding the latest release of firmware and firmware updates is available from the Chaparral Web site Chaparral technical support for firmware updates at (303) 845-3200. Upgrading the Controller’s Firmware You use the Flash Utility to download new firmware (.fla file) for your router, to auto- detect your VT-100/ANSI terminal baud rate, and to run on-board diagnostics.

  • Page 68: Upgrading Lan Firmware

    VFS226 Rack Model User’s Guide Press Enter to reboot. While the router reboots, hold down the space bar on your keyboard. The Flash Utility screen displays. Press the number on your keyboard that corresponds to the protocol you want to use to transfer the firmware upgrade file from your computer to the router.
  • Page 69 At the User prompt enter: flash At the Password prompt enter: flash At the FTP prompt enter: hash At the FTP prompt enter: put [bin file name] flash You will see the downloading progress displayed on the screen. When you see the rebooting message wait 60 seconds. ❒...
  • Page 70 VFS226 Rack Model User’s Guide 3-40...

  • Page 71: Troubleshooting

    Resolutions to common problems you may encounter are described in the following sections. This section describes troubleshooting using the RS-232 serial port. Caution: Do not remove the router’s cover. The router has no user- serviceable parts. Removing the cover will void the warranty. Chaparral Technical Support For assistance configuring and using your Chaparral product, contact your authorized distributor or send an e-mail to Chaparral technical support at...

  • Page 72: Restoring The Default Configuration Through The Flash Utility

    VFS226 Rack Model User’s Guide Problem: The system hangs after the “All diagnostic tests passed” message or while scanning devices. Solution: Follow these steps to resolve the problem: Verify there are no SCSI address conflicts. Check the connected SCSI devices to make sure everything is properly connected and SCSI termination is correct.
  • Page 73 To restore the default configuration: After powering on the system, hold down the space bar to prevent the system from rebooting. The Flash Utility screen displays. Select 6. Utility Menu and press Enter. The Utility Menu screen displays. Select 2. Clear Configuration and press Enter. The system confirms that you want to make the change.

  • Page 74: Terminal Emulator And Com Port Problems

    VFS226 Rack Model User’s Guide Terminal Emulator and COM Port Problems Problem: Screen continuously puts out garbage characters. Solution: The likely cause of this problem is a baud rate mismatch between the terminal emulator and the router. The default baud rate is 115,200 bps. Follow these steps if you set your terminal emulator to this rate and still get garbage characters: Turn off the power to the router.

  • Page 75: Device Scsi Channel Problems

    Device SCSI Channel Problems Problem: Not all drives connected to the router device channels are displayed during boot, or the router hangs during display of connected drives and never reaches the Router Administrator screen. Solution: Check your JBOD or tape library documentation to be sure that the device is properly configured.

  • Page 76: Setting Up Debug Logging

    VFS226 Rack Model User’s Guide Setting Up Debug Logging The router has a debug log that you can view by pressing CTRL-E. Pressing CTRL-E toggles you through the event log, debug log, hardware information, and configuration information screens. You can set up additional logging when instructed by Chaparral’s technical support personnel.

  • Page 77: Using The Loader Diagnostics Menu

    Using the Loader Diagnostics Menu A set of diagnostics is run each time you boot the router. You can run each test individually to confirm any errors. To run an individual test: While booting the router, hold down the spacebar. The Loader menu appears. Select 4.
  • Page 78 VFS226 Rack Model User’s Guide...

  • Page 79: Address And Device Mapping

    Address and Device Mapping SCSI devices attached to the router are discovered during power on. The router defaults to AUTO mapping mode, which automatically maps the SCSI devices at each power on. The router maps devices sequentially as it scans the channels and discovers the devices (devices are discovered by channel, lowest SCSI ID and LUN first).

  • Page 80: Loop Id To Al_Pa Mapping

    VFS226 Rack Model User’s Guide Figure A-1. VFS226 device address mapping Loop ID to AL_PA Mapping During the Fibre Channel Arbitrated Loop (FC-AL) initialization process, a unique Arbitrated Loop Physical Address (AL_PA) value is assigned to each port on the loop. Not all of the 256 hex values are allowed as AL_PA values per FC-AL, so Loop IDs are used to represent the 125 addresses that the router can use.
  • Page 81 Table A-1 shows how a Loop ID value maps to an AL_PA. If you set the Loop ID to SOFT, the router attempts to obtain an available Loop ID, in the following order: 0, 1, 2, etc. Table A-1. Arbitrated loop physical addresses Loop ID AL_P Loop ID...
  • Page 82 VFS226 Rack Model User’s Guide Table A-1. Arbitrated loop physical addresses (Continued) Loop ID AL_P (decima (hex) ❒ Loop ID AL_P Loop ID (decima (decima (hex) AL_P (hex)

  • Page 83: Configuring The Router For Tcp/Ip

    Configuring the Router for TCP/IP Before you can access the Router Administrator software using the Ethernet port, you must set up your router for TCP/IP. The following sections describe the router’s TCP/IP setup. A router that is part of a TCP/IP network requires three basic IP configuration elements: IP address, subnet mask, and default gateway IP address.

  • Page 84: Dynamic Host Configuration Protocol Configuration

    VFS226 Rack Model User’s Guide To use ARP to resolve addresses in Windows: You must first place the MAC address of the router being set up into your computer’s ARP cache using the following command: arp -s IP address 00:50:13:fx-xx-xx.

  • Page 85: Simple Network Management Protocol Configuration

    To discover which IP address was assigned to the router: Follow the steps above for ARP to bind the router MAC address to a temporary static IP address. Use the command arp –g to display your computer’s the IP-to-MAC address table. This table contains two entries corresponding to the router MAC address.
  • Page 86 VFS226 Rack Model User’s Guide...

  • Page 87: Reference Documents

    Standards X3T11/Project 755D Fibre Channel Physical and Signaling Interface (FC-PH) Specification - ANSI Standard X3.230-1994 X3T11/Project 1133D Fibre Channel Arbitrated Loop (FC-AL-2) Specifications, Rev 6.1 - Draft ANSI Standard X3T11/Project 959D Fibre Channel Switch Fabric (FC-SW) – Draft ANSI Standard X3T11/Project 1162DT Fibre Channel Private Loop SCSI direct attach (FC-PLDA) –...

  • Page 88: Books

    VFS226 Rack Model User’s Guide SCSI-3 Fast-20 Parallel Interface SCSI-3 Interlocked Protocol SCSI-3 Serial Bus Protocol Note: Working draft standards documents in this section are available from the following Web sites: http://www.t11.org/, http://www.t10.org/. The exact status, revision level, and location may change as the drafts become standards and are released.

  • Page 89: Lan Configuration

    Before you can access the Router Administrator software using the Ethernet port, you must set up your router for TCP/IP. The following sections describe the router’s TCP/IP setup. A router that is part of a TCP/IP network requires three basic IP configuration elements: IP address, subnet mask, and default gateway IP address.

  • Page 90: Using Address Resolution Protocol

    VFS226 Rack/Desktop Model User’s Guide Using Address Resolution Protocol The ARP configuration method requires no IP address re-configuration of any computer on the network. The ARP command is available in various forms and sometimes with varying syntax in UNIX and Windows systems.

  • Page 91: Dynamic Host Configuration Protocol Configuration

    Dynamic Host Configuration Protocol Configuration The Dynamic Host Configuration Protocol (DHCP) is a protocol designed to make IP address assignment dynamic and automatic. When a router is configured in DHCP mode, it generates a request for an IP address. The address is provided to the router and can be used from that point forward.

  • Page 92: System Configuration Screen

    VFS226 Rack/Desktop Model User’s Guide Select Ethernet Config and press Enter. The Network Management System Console screen displays. From here you can access the LAN settings. Each screen and its settings are described briefly in the following sections. These settings are intended for use by experienced network administrators.

  • Page 93: Tcp/Ip Configuration Screen

    Table D-1. System Configuration screen settings (Continued) Option Setting Description System Location of the router. You can enter up to 32 characters. Location Telnet Password Password for accessing the router using the Ethernet port and Telnet. You can enter up to 32 characters. Default is null (press Enter).

  • Page 94: Snmp Configuration Screen

    VFS226 Rack/Desktop Model User’s Guide Table D-2 describes the settings you can change here. Option Setting IP Address IP Mask Gateway DHCP Enabled? Exit Note: Before choosing to enable DHCP, contact your network administrator and make sure you have support for identifying IP hardware and name server addresses.

  • Page 95: Restarting The Lan Board

    Option Setting Write Community Exit Restarting the LAN Board Option 4 from the Network Management System Console screen restarts the LAN board. A screen will display notifying you that your system is restarting. Note: After rebooting the LAN connection you can return to the Password screen by disconnecting and reconnecting the Telnet session.
  • Page 96 VFS226 Rack/Desktop Model User’s Guide...

  • Page 97: Glossary

    Glossary “A” controller—In Active-Active mode, one controller is designated as the “A” controller and the other controller is designated as the “B” controller. Controller identity is determined by enclosure hardware. The controller’s identity displays continuously at the bottom of the Disk Array Administrator screens. Address—An address is a data structure or logical convention used to identify a unique entity, such as a particular process or network device.
  • Page 98 VFS226 Rack Model User’s Guide initiator and SCSI target. FCP enables transmission and receipt of SCSI commands, data, and status across the FC using standard FC frame and sequence formats. Fibre—Fibre is a generic FC term that refers to all transmission media types specified in the FC Physical Layer standard (FC-PH), such as optical fiber, copper twisted pair, and copper coaxial cable.
  • Page 99 Glossary Low voltage differential (LVD)—LVD is a method of powering SCSI cables that will be formalized in the SCSI-3 specifications. LVD uses less power than the current differential drive (HVD), is less expensive, and allows for higher speeds such as those of Ultra2 SCSI.
  • Page 100 VFS226 Rack Model User’s Guide Simple Network Management Protocol (SNMP) —SNMP is the Internet standard protocol, defined in STD 15, RFC 1157, developed to manage nodes on an Internet Protocol (IP) network. Small computer system interface (SCSI) —SCSI is an industry standard for connecting peripheral devices and their controllers to an initiator.

  • Page 101: Index

    Numerics 0 light 1 light 2 light 3 light 4 light 5 light About Network Interface screen 3-8, accessing the Router Administrator software Address Mapping screen 3-24 Address Resolution Protocol using Address Resolution Protocol, using to resolve IP address addresses changing for devices 3-25, 3-27 changing mapping mode of...
  • Page 102 VFS226 Rack Model User’s Guide date, changing for router 3-19 default settings Ethernet default settings, restoring 3-23 desktop, installing the router on devices changing addresses of 3-25, 3-27 changing FC LUNs of 3-25, 3-27 displaying a list of 3-27, 3-28...
  • Page 103 LAN, setting up to access controller software LED lights LED status lights lights Link Speed screen 3-15 LK light Loop ID changing for router 3-12 settings for 3-12 SOFT setting 3-12 Loop ID screen 3-15 Loop ID to AL_PA mapping LOOP topology setting 3-12 LUNs...
  • Page 104 VFS226 Rack Model User’s Guide changing the Loop ID 3-12 changing the LUN 3-12 changing the scan delay 3-21 changing the SCSI ID 3-17 changing the time 3-19 configurations restoring configuring configuring TCP/IP B-1, connecting to the Ethernet port connecting to the FC port...
  • Page 105 Mapping Mode 3-25 navigating in Restore Defaults 3-23 Router LUN 3-16 Scan Configuration 3-21 Set Date 3-19 Set Date/Time 3-19 Set Time 3-20 System Menu 3-2, Utilities Menu 3-34, SCSI channels changing mapping mode 3-24 connecting to problems with single-ended narrow Ultra2 wide SCSI devices changing addresses of 3-25,...
  • Page 106 VFS226 Rack Model User’s Guide VFS226 benefits changing the date 3-19 changing the initiator ID 3-17 changing the Loop ID 3-12 changing the LUN 3-12 changing the scan delay 3-21 changing the SCSI ID 3-17 changing the time 3-19 configuring...
  • Page 108 Chaparral Network Storage, Inc. 7420 E. Dry Creek Parkway Longmont, CO 80503 © 2000, 2001 Chaparral Network Storage, Inc. All rights reserved. Chaparral and Chaparral logo are trademarks of Chaparral Network Storage, Inc. Printed in the U.S. 10/01 Document Number: 07-0044-002-B...

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