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Emulex 375 User Manual

San storage switch for apple computer users
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Emulex
Model 375
SAN Storage Switch
For Apple Computer Users
00041392-002 Rev. B

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  • Page 1 ® Emulex Model 375 SAN Storage Switch For Apple Computer Users 00041392-002 Rev. B...
  • Page 2 UIDE © 2004 Emulex Corporation. All rights reserved. Emulex and Vixel are registered trademarks, and InSpeed and FibreSpy are trademarks, of Emulex Corporation. All other brand or product names referenced herein are trademarks or registered trademarks of their respective companies or organizations.

  • Page 3: Table Of Contents

    375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE Table of Contents Table of Contents ...ii Chapter 1: Introduction ... 1 Chapter 2: Switch Installation ... 6 Chapter 3: Switch Management ... 15 Chapter 4: Technical Reference ... 59 Appendixes... 63 Appendix A: Specifications ...

  • Page 4: Chapter 1 Introduction

    This guide is designed to provide users with the necessary information to install and manage the Emulex® Model 375 SAN Storage Switch for use in Fibre Channel applications in typical entry-level Storage Area Networks (SANs).

  • Page 5: Features

    ODEL TORAGE WITCH ’ UIDE EATURES The Emulex Model 375 SAN Storage Switch has the following features: • High Performance Fibre Channel Switching: • Wire speed non-blocking Crossbar switch core • Single 20-port InSpeed™ SOC 320 ASIC with embedded SERDES •...

  • Page 6: Switch Applications

    WITCH PPLICATIONS The Emulex Model 375 SAN Storage Switch is ideal for consolidation and shared storage pooling, high- performance shared tape library backup and recovery, server clustering, and streaming rich media applications. The following sections provide examples of these applications.
  • Page 7 375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE Figure 1-2 depicts a sample multiple switch storage consolidation configuration in which multiple servers communicate with storage devices and zoning is incorporated. The zoning in to configure a multiple operating system environment. For example, Zone 1 might be Windows-based, Zone 2 might be Linux-based, and Zone 3 might be Unix-based.
  • Page 8 375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE Rich Media For rich media applications, the switch provides improved storage and file sharing from a single storage pool for multiple workstations. Figure 1-4 depicts a sample rich media configuration. Figure 1-4: Rich media diagram...

  • Page 9: Chapter 2 Switch Installation

    375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE HAPTER Installation Preparation ...6 Switch Installation ...7 Switch LEDs ...9 SFP Compatibility ...12 Booting the Switch and SAN ...13 Power Supply/Fan Module Replacement ...14 NSTALLATION REPARATION After receiving the switch, perform the following steps to ensure that the switch and other contents arrived safely.

  • Page 10: Desktop Installation

    375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE WITCH NSTALLATION The switch can be installed in a rack or placed on a desktop. Rack Installation Installing the switch in an equipment rack requires an optional rack mount kit (sold separately). There are two kit variations currently available: •...
  • Page 11 375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE Installing the Retention Clips (optional) The switch ships with two, optional retention clips to secure the power cords in each power supply/fan module’s power receptacle. Screws (4) and washers (4) are provided for the clips.

  • Page 12: Ethernet Leds

    375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE WITCH The switch incorporates four sets of Light-Emitting Diodes (LEDs) to indicate ethernet, switch, port, and power supply/fan module status: 1. Ethernet LEDs – two separate LEDs indicating the network connection status.

  • Page 13: System Leds

    375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE System LEDs The System LEDs indicate the switch’s status, independent of the port LEDs. Fault 2 Gb/s Figure 2-4: System LEDs System LEDs Indication Fault • When lit, one or more of the ports has failed or the internal temperature has (yellow LED) exceeded acceptable levels.
  • Page 14 375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE SFP Status Port Bypassed (green LED) (yellow LED) Flashing Flashing Flashing Flashing Power Supply/Fan Module LED The switch uses two power supply/fan modules to guarantee high availability with failover. Each power supply has a separate LED to indicate its condition.

  • Page 15: Installing An Sfp

    The switch supports Small Form-Factor Pluggable (SFP) modules that comply with the SFP specification as produced by the MSA consortium and have passed Emulex’s qualification testing. The following manufacturers of 1-2Gb optical, shortwave SFPs are recommended: •...
  • Page 16 375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE OOTING THE WITCH AND The following procedure is recommended when booting the switch and SAN. Before powering on the switch and SAN, read the Release Notes, included with the switch contents, to determine any modifications that may be required for a specific installation.
  • Page 17 UIDE OWER UPPLY The Emulex® Model 375 SAN Storage Switch has hot-swappable power supply/fan modules for high availability. A power supply/fan module consists of an individual power supply and a fan bank consisting of three fans. The switch can run on one functioning power supply/fan module indefinitely, as long as the faulty power supply/fan module remains installed in the switch and there are at least two fans operational in each module’s fan bank.

  • Page 18: Chapter 3: Switch Management

    Both of these interfaces provide nearly identical functionality; however, for the purposes of this guide, the Web Manager interface is used for switch and port configuration unless otherwise noted. For a list of CLI commands, see information on the CLI, see the Emulex® or InSpeed™ Storage Switch Products’ CLI Reference Guide . WITCH ANAGEMENT...

  • Page 19: Configuring The Network Interface

    375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE ETTING TARTED This section explains how to configure the switch’s ethernet network settings prior to using the Web Manager. Once the switch’s network settings are configured, use the Web Manager to perform a quick switch setup.

  • Page 20: Connecting To The Web Manager

    375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE Connecting to the Web Manager The Web Manager displays current port utilization and health, enables easy to use Port Smart Settings and One-Step Zoning, and several additional features discussed later in this chapter.
  • Page 21 To access product documentation and firmware: 1. Click Help, and select Documentation > Product Docs or Downloads. The Emulex Corporation’s Web site appears. 2. Click the drivers, software and manuals link, and select the switch product model under the Drivers, software and manuals by product model number section.

  • Page 22: Initial Switch Setup

    375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE Initial Switch Setup Once a network connection has been established with the switch and an instance of the Web Manager is open, some basic switch configuration tasks are recommended: • Log in to the switch.
  • Page 23 375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE Step 3: Verify the Date and Time During the initial Web Manager session, the date and time for the switch are set based on the host system’s current settings. To view the current date and time: 1.
  • Page 24 ANAGING THE WITCH The Emulex® Model 375 SAN Storage Switch provides several options for managing and configuring the switch to meet the needs of the network environment. This section describes how to log in to the switch, configure switch and port settings, manage firmware and configuration files, and configure One-Step Zoning, Automatic Trunking, and Load Balancing.

  • Page 25: Logging In To The Switch

    375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE Logging in to the Switch The Web Manager requires users to log in to the switch when changes are made to the switch’s configuration. Log in is not required for viewing switch information.

  • Page 26: Switch Identification

    375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE General Switch Settings The Switch Configuration page displays general settings and switch identification information. To view the Switch Configuration page, click Switch > Configuration. Figure 3-3: Switch Configuration page Switch Identification This section includes general switch identification information.
  • Page 27 375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE To change the switch’s network location settings: 1. Click Switch > Configuration. 2. Enter the new value in the appropriate text box. 3. Click Submit. The Switch Configuration page displays the updated information.

  • Page 28: Setting Snmp Traps

    375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE Setting SNMP Traps Simple Network Management Protocol (SNMP) uses traps to transmit information to SNMP-based network administration programs. The Switch SNMP Trap Configuration page displays information on the switch’s current SNMP trap configuration.

  • Page 29: Configuring Date And Time Settings

    375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE Configuring Date and Time Settings The Switch Date & Time page displays the switch’s current date and time. During the initial Web Manager session, the date and time for the switch are set based on the host system’s current settings. If the switch is rebooted or power is cycled, the system clock will reset and the switch’s date and time...

  • Page 30: Changing The Password

    A message box appears confirming the opening of a telnet session to the switch. 2. Click OK to proceed. 3. Enter the switch’s password and press E For additional information on CLI features and functionality, see the Emulex® or InSpeed™ Storage Switch Products’ CLI Reference Guide . NTER...
  • Page 31 375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE Adjusting the Switch Thresholds The Switch Thresholds page displays a variety of switch threshold settings. Setting Ordered Set Error Threshold CRC Error Threshold Bad Zone Recovery Hold Time (measured in centi-seconds)
  • Page 32 375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE Configuring the Port Smart Settings The Port Smart Settings page displays the current Smart Settings (configuration settings) assigned to each port and enables users to easily create and modify custom Smart Settings.

  • Page 33: Default Smart Settings

    Fabric Connection This Smart Setting is used when connecting a port to a Fabric switch. Only one connection from the Emulex Model 375 SAN Storage Switch to a Fabric switch is valid. Tree Cascade This Smart Setting is used when connecting two or more switches together in a tree configuration. Up to four tree cascades are supported between switches.
  • Page 34 375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE • When configuring multiple switches with a single cascade, use alternating ports. For example, connect the second switch using ports 1 and the third using ports 2 as shown in Figure 3-10: Alternating Ports for Single Cascades To assign a Smart Setting to one or more ports: 1.
  • Page 35 375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE To create a custom Smart Setting based on an existing Smart Setting: 1. Select a Smart Setting from the list box that most closely matches the port settings that the new Smart Setting should have.

  • Page 36: Port Information

    375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE Port Information The following settings are available. Setting Smart Setting Name Smart Setting Type Pre-Insertion Testing The following settings are available. Setting Enable Policies/Smart Insertion Port Test Before Insertion Description Displays the name of the Smart Setting. The Smart Setting name will automatically appear in the text box when selected in the scroll menu.

  • Page 37: Change Notifications

    375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE Change Notifications The following settings are available. Setting Stealth Intelligent Change Manager Change Notification on Insertion Change Notification on Remova l Description Stealth Intelligent Change Manager provides stability and control over change notification disruptions on a port basis. Options include: •...

  • Page 38: Port Recovery

    375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE Port Recovery The following settings are available. Setting Bad Device Recovery Clear on Stall Bypass on No Activity Bypass on Ordered Set Error Bypass on CRC Error Description When a port is already inserted into a zone, the port transforms F8 Failure notifications into F7 Initialization notifications.
  • Page 39 375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE Diagnostics The following settings are available. Setting Port Control Bypass on Clock Delta Description The method for controlling a port. Options include: • auto – the default setting. The switch will automatically insert a port based on policy settings.
  • Page 40 To check for new firmware: 1. Click Help and select Downloads. The Emulex Corporation’s Web site appears. 2. Click the drivers, software and manuals link, and select the switch product model under the Drivers, software and manuals by product model number section.

  • Page 41: Restoring The Factory Default Settings

    375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE To select the alternate firmware version for the next boot: 1. Under Next Boot Firmware Version, select Use Alternate Version on Next Reboot. The alternate firmware version currently displayed will be loaded on the next boot cycle.
  • Page 42 375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE One-Step Zoning Zoning allows ports to be divided into multiple virtual zones (or work groups), similar to Virtual Local Area Networking (VLAN). By separating activity on the network, zoning also eliminates change notification propagation (change notifications that occur within one zone cannot propagate to other zones.)
  • Page 43 375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE The Zone Initialization Master Port field displays the port number of the port that is currently assigned as the master for that particular zone. The Initialization Master is responsible for starting the change notification process in each zone.
  • Page 44 375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE Figure 3-14: Single switch zoning configuration Adding Devices to Multiple Zones In the previous example, each host only communicates with the devices in the same zone as the host. However, there may be situations in which hosts in separate zones need to share devices. When this situation occurs, use overlapping zones to share the devices between the hosts.
  • Page 45 375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE 3. Click Submit. Figure 3-16: Ports in Multiple Zones on the One-Step Zoning page Multiple Switch Zoning Zones can be configured across multiple switches using a similar procedure to a single switch. However, multiple-switch zoning requires some coordination between the switches.
  • Page 46 AL_PAs) from communicating with each other; however, AL_PA zoning allows the devices to communicate with devices outside of the group. AL_PA zoning is only accessible through the Command Line Interface (CLI). Refer to the Emulex® or InSpeed™ Storage Switch Products’ CLI Reference Guide for additional information.
  • Page 47 375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE Connecting Ports Through Hard Zoning A Hard Zone can be used to add a separate 126 AL_PAs that operate in isolation from any other zone. A Hard Zone disables switching functionality and creates a shared connection between the ports in a zone topology, splitting the switch into multiple unique FC-AL zones.

  • Page 48: Cascading Switches

    375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE Cascading Switches When multiple switches are connected, the connecting links between the switches are referred to as "cascades". There are two distinct cascade configurations to consider when configuring networks for optimal performance and connectivity: string cascades and tree cascades.
  • Page 49 375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE Automatic Trunking Multiple links between switches are called “trunks”. Trunks provide higher bandwidth across cascaded switches for systems incorporating multiple initiators. Each trunk can improve system throughput and provide “failover” capability. A maximum of 4 trunks between each switch is supported. Trunking is performed automatically when ports are configured properly.

  • Page 50: Load Balancing

    375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE To assign ports to trunk groups: 1. Click Advanced Functions > Automatic Trunking. The Automatic Trunking page appears. Figure 3-23: Advanced Functions: Automatic Trunking page 2. Select a trunk group for each port by clicking the appropriate Trunk Group option.

  • Page 51: Load Indicators

    375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE Figure 3-24, host 1 uses cascade port 1, while host 2 uses cascade port 2. All traffic will use the lowest numbered (primary) cascade port by default but ports may be configured to use other cascades.

  • Page 52: M Onitoring The S Witch

    This ensures that a specific device will always have a dedicated trunk. ONITORING THE WITCH The Emulex Model 375 SAN Storage Switch provides several options for monitoring the switch status and port information. This section describes how to view switch status, the event log, port information and utilization, and port diagnostics.

  • Page 53: Switch Information

    375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE Switch Information Current status is provided for the following items. Item Switch Status SOC Status Enclosure Temperature Fan #1 Fan #2 Power Supply #1 Power Supply #2 Status Indicators • OK (green)–the switch unit is operating normally.
  • Page 54 375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE Port Utilization and Health Port utilization measures the amount of traffic passing into a port over a period of time. For example, if an initiator is transmitting data to a target, the initiator port displays a port utilization value (%) while the target port does not.

  • Page 55: Viewing The Event Log

    375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE Viewing the Event Log The Event Log contains a list of up to 3000 event log messages generated by the switch. The Switch Event Log page displays the event log messages with each message containing the following information: •...

  • Page 56: Viewing Port Information

    375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE Viewing Port Information The Port Information page displays the Smart Settings, Serial ID (SID), and AL_PAs currently assigned to each port. Initiator AL_PAs are highlighted in blue to differentiate them from target AL_PAs.

  • Page 57: Viewing Port Utilization

    375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE Viewing Port Utilization Port utilization measures the amount of traffic passing through a port over a period of time. For example, if an initiator is transmitting data to a target, the initiator port displays a port utilization value (%) while the target port does not.
  • Page 58 375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE Viewing Port Diagnostics This page displays diagnostic information pertaining to each port in the switch. Use the information provided on this page to diagnose abnormally high error counts on a particular port.
  • Page 59 375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE Statistic Description Bypass Port A single instance operation that forces a port into bypass mode. This feature may be used to diagnose device problems when a device is locked up or experiencing a high number of failures on a port.
  • Page 60 375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE Viewing Ordered Sets This page displays the Ordered Sets that are being transmitted on the switch for each port since the last time the page was displayed. Ordered Sets are used when communicating data across networks to indicate actions, events, or status regarding the data.
  • Page 61 375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE Detection Indication F7 Initialization A port is in the non-participating mode and is attempting to win arbitration and begin initialization, possibly because the port was reset or is powering up. Sometimes the port is sending this sequence to another hot-cascaded switch, like a new initiator being inserted in the network.

  • Page 62: Device Connections

    375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE HAPTER Troubleshooting Device Connections...59 Troubleshooting Management Connections ...60 Port Bypass Conditions and Recovery ...60 Default Smart Setting Attributes...61 Fibre Channel References ...62 ROUBLESHOOTING Problem SFP installed in one or more ports but no...

  • Page 63: Troubleshooting

    375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE ROUBLESHOOTING Problem Serial cable installed but connection does not appear on terminal Ethernet cable installed but Web Manager does not appear YPASS ONDITIONS AND Operational Condition Rx_los is asserted by an SFP/GBIC...
  • Page 64 375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE EFAULT MART ETTING Smart Setting Initiator or Initiator Target with Name Stealth Smart Setting Initiator or Initiator or Target Target Type Port Port Smart Enabled Enabled Insertion Policy Port Test Enabled...

  • Page 65: Fibre Channel References

    375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE IBRE HANNEL EFERENCES The following books give useful information about Fibre Channel. • Alan F. Benner , Fibre Channel. McGraw-Hill, 1996. ISBN 0-07-005669-2. • Tom Clark, Designing Storage Area Networks. ISBN 0-201-61584-3.

  • Page 66: Appendixes

    375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE Appendixes MULEX ORPORATION 00041392-002 R UMBER PPENDIXES...

  • Page 67: Appendix A: Specifications

    375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE PPENDIX WITCH PECIFICATIONS Specification Number of Ports Operating Rate Port Media Type Enclosure Management Interface Operating Mode Configurability Power On Selftest (POST) Dimensions AC Power Input AC Power Connector Weight PERATING ONDITIONS The switch must be operated in a clean, dry environment with unrestricted airflow.

  • Page 68: Appendix Bcli Quick Reference

    The Command Line Interface (CLI) can be accessed through a network interface using a terminal emulation program, such as HyperTerminal®, or through the serial interface from a local computer. Refer to the Emulex® or InSpeed™ Storage Switch Products’ CLI Reference Guide for detailed descriptions of CLI commands and usage.
  • Page 69 The CLI enables users to monitor and change system and port configurations, configure One-Step Zoning, Automatic Trunking, Load Balancing, and event reporting parameters, and download and install firmware. For additional information on the CLI, see the Emulex® or InSpeed™ Storage Switch Products’ CLI Reference Guide . To enter a command: Type the command text or the number of the command.

  • Page 70: Cli Commands

    UIDE CLI C OMMANDS All of the CLI commands for the Emulex® Model 375 SAN Storage Switch are shown below in a tree diagram. Using the “help” command at the command line may provide additional information. root --> 1. config -->...

  • Page 71: Appendix C Event Messages

    375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE PPENDIX The event messages for the switch are listed below. For explanations, contact a customer service representative. The message’s applicable severity level as defined below is also provided. Severity Severity Level...
  • Page 72 375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE Event PORT has cycled between insert/bypassed (not necessarily in that CRC detected on either an ISL LIP or Generic Frame Trap task failed to update trap destination info. CLI level password changed to default setting...

  • Page 73: Appendix D: Al_Pa Cross References

    375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE PPENDIX AL_PA AL_PA ID (hex) (hex) (decimal) AL_PA Cross References Arbitrated Loop Physical Addresses AL_PA AL_PA ID (hex) (hex) (decimal) MULEX ORPORATION 00041392-002 R UMBER D: AL_PA C PPENDIX ROSS EFERENCES...

  • Page 74: Appendix E: Glossary

    375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE PPENDIX AL_PA or Arbitrated Loop Physical Address Arbitration Close (CLS) Current Fill Word Duplex Cable Fiber Optics Fibre Channel Gb/s Node Open (OPN) Protocol SCSI Topology Transceiver Glossary A one-byte value used to identify a port in an Arbitrated Loop topology.

  • Page 75: Index

    375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE AL_PA Cross References AL_PA zoning Bad Device Recovery policy Bad Zone Recovery policy Blocking ARB Bypass on Clock Delta policy Bypass on CRC Error policy Bypass on No Activity policy Bypass on OS Error policy...
  • Page 76 375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE managing the switch monitoring the switch network interface configuration network settings operating conditions operating speed ordered sets overview password changing policies Bad Device Recovery Bypass on Clock Delta Bypass on CRC Error...
  • Page 77 375 SAN S MULEX ODEL TORAGE WITCH ’ UIDE LEDs load balancing management monitoring network settings operating conditions ordered sets overview package contents policies port diagnostics port information port utilization powering on settings specifications speed status telnet session thresholds trunking...

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