Q-Logic 16-Feb Fallback Command

B – Command Line Interface

Fallback Command

59021-06 A B-11

Fallback Command

Assigns the pending firmware status back and forth between the active and

inactive firmware images stored in switch memory.

Authority Admin

Syntax fallback

Notes The Show Switch command displays the two firmware images, active

firmware, inactive firmware, and pending firmware versions.

After executing the Fallback command, reset the switch to activate the

pending firmware. Use the Hotreset command for a non-disruptive

activation. Otherwise, you can use the Reset Switch command.

Examples The following is an example of the Fallback command:

SANbox2 #> admin start

SANbox2 (admin) #> fallback

Reverting to previous software image. Please confirm (y/n): [n] y

Contents

Main Page ii 59021-06 A SANbox2-16 Fibre Channel Switch Installation Guide Revision A, Release, June, 2003 Document Revision History Table of Contents Section 1 Introduction Section 2 General Description Section 3 Planning Section 4 Installation Section 5 Diagnostics/Troubleshooting Section 6 Removal/Replacement Appendix A Specifications Appendix B Command Line Interface Glossary Index Figures Tabl es Section 1 Introduction Intended Audience Related Materials Safety Notices Sicherheitshinweise Notes informatives relatives la scurit Communications Statements Federal Communications Commission (FCC) Class A Statement Canadian Department of Communications Class A Compliance Statement Avis de conformit aux normes du ministre des Communications du Canada CE Statement VCCI Class A Statement BSMI Class A Statement Laser Safety Information Electrostatic Discharge Sensitivity (ESDS) Precautions Accessible Parts Pices Accessibles Zugngliche Teile General Public License Preamble Terms And Conditions For Copying, Distribution And Modification Page Page Page How to Apply These Terms to Your New Programs Page Technical Support Availability Train ing Contact Information Section 2 General Description Figure 2-1. SANbox2-16 Fibre Channel Switch Chassis Controls and LEDs Figure 2-2. Chassis Controls and LEDS Power Switches Maintenance Button Chassis LEDs Figure 2-3. Chassis LEDs Over Temperature LED (Amber) Fan Fail LED (Amber) Heartbeat LED (Amber) Input Power LED (Green) Fibre Channel Ports Figure 2-4. Fibre Channel Ports Port LEDs Figure 2-5. Port LEDs Logged-In LED Activity LED Small Form-Factor Pluggable (SFP) Transceivers Figure 2-6. SFP Transceiver Port Modes Fabric Ports Translated Loop Port Expansion Port Ethernet Port Figure 2-7. Ethernet Port Serial Port Figure 2-8. Serial Port and Pin Identification Power Supplies Figure 2-9. Power Supply Components Fans Figure 2-10. Fans Switch Management Page Section 3 Planning Devices Multiple Chassis Fabrics Domain ID, Principal Priority, and Domain ID Lock Common Topologies Cascade Topology Figure 3-1. Cascade-with-a-Loop Topology Mesh Topology Figure 3-2. Mesh Topology Multistage Topology Figure 3-3. Multistage Topology Performance Distance Bandwidth Latency Device Access Soft Zones Access Control List Hard Zones Virtual Private Fabric Hard Zones Fabric Management Security Page Section 4 Installation Site Requirements Fabric Management Workstation Switch Power Requirements Environmental Conditions Installing a Switch Figure 4-1. SANbox2-16 Fibre Channel Switch Mount the Switch Figure 4-2. Installing Rack Mount Brackets Install SFP Transceivers Connect the Switch to AC Power Page Page 4 Installation Installing a Switch 4-8 59021-06 A Connect the Management Workstation to the Switch Figure 4-3. Ethernet and Serial Cable Connections Direct Ethernet RJ-45 Connection Indirect Ethernet RJ-45 Connection Serial RS-232 Connection Ethernet Connection Serial Connection Install SANbox Manager SANsurfer Management Suite Disk - Windows Installation SANsurfer Management Suite Disk - Linux Installation SANsurfer Management Suite Disk - Solaris Installation SANbox2 Installation Disk - Windows Installation SANbox2 Installation Disk - Linux Installation SANbox2 Installation Disk - Solaris Installation Configure the Switch Configure the Ports Cable Devices to the Switch Install Firmware Using SANbox Manager to Install Firmware Using the CLI to Install Firmware Using FTP and the CLI to Install Firmware Powering Down a Switch Section 5 Diagnostics/Troubleshooting POST Diagnostics Heartbeat LED Blink Patterns Normal (all pass) Maintenance Mode Pattern Internal Firmware Failure Blink Pattern Fatal Error Blink Pattern Configuration File System Error Blink Pattern Page Page Logged-In LED Indications E_Port Isolation Excessive Port Errors Page Chassis Diagnostics Figure 5-3. Chassis and Power Supply LEDs Chassis Over Temperature LED is Illuminated Input Power LED Is Extinguished Fan Fail LED is Illuminated Output Power LED Is Extinguished Power Supply Over Temperature LED is Illuminated Recovering a Switch Maintenance Exit Maintenance Image Unpack Maintenance Reset Network Config Maintenance Reset Password File Maintenance Copy Log Files Maintenance Remove Switch Config Maintenance Remake Filesystem Page Page Section 6 Removal/Replacement SFP Transceivers Figure 6-1. SFP Transceiver Installation Power Supplies Figure 6-2. Power Supply Removal Fans Figure 6-3. Fan Removal Figure 6-4. Fan Installation for Switch Model SB2A-16B Page Appendix A Specifications Fabric Specifications Maintainability Fabric Management Dimensions Electrical Environmental Regulatory Certifications Shortwave Laser SFP 1G/2G (multi-mode) Longwave Laser SFP 1G/2G (single-mode) Page Appendix B Command Line Interface Logging On to a Switch Command Syntax Commands Admin Command Syntax Keywords Notes Examples Alias Command Syntax Keywords Page Config Command Authority Syntax Keywords Notes Examples Config Command 59021-06 A B-9 Date Command Fallback Command Hardreset Command Help Command Syntax Keywords Examples History Command Syntax Notes Examples Hotreset Command Syntax Notes Image Command Syntax Keywords Notes Lip Command Passwd Command Ping Command Syntax Keywords Examples Ps Command Ps Command Displays current system process information. Syntax Examples Quit Command Reset Command Syntax Keywords Notes Table B-3. Switch Configuration Defaults Table B-4. Port Configuration Defaults Table B-5. Alarm Threshold Configuration Defaults Table B-4. Port Configuration Defaults (Continued) Table B-6. Zoning Configuration Defaults Table B-7. SNMP Configuration Defaults Table B-5. Alarm Threshold Configuration Defaults (Continued) Table B-8. System Configuration Defaults Set Command Authority Syntax Keywords Examples Set Config Command Syntax Keywords Page Table B-9. Set Config Port Parameters (Continued) Page Page Table B-11. Set Config Threshold Parameters Page B-36 59021-06 A Examples 59021-06 A B-37 The following is an example of the Set Config Switch command: The following is an example of the Set Config Threshold command: B-38 59021-06 A The following is an example of the Set Config Zoning command. Set Log Command Syntax Keywords Page Notes Set Port Command Syntax Keywords Set Setup Command Syntax Keywords Page Examples Table B-14. System Configuration Settings (Continued) Set Setup Command B-46 59021-06 A Set Setup Command 59021-06 A B-47 The following is an example of the Set Setup System command: Show Command Syntax Keywords Page Page Table B-15. Show Port Parameters (Continued) Page Examples B-54 59021-06 A The following is an example of the Show Fabric command: The following is an example of the Show NS (local domain) command: The following is an example of the Show NS [domain_ID] command: The following is an example of the Show NS [port_ID] command: 59021-06 A B-55 The following is an example of the Show Interface command: B-56 59021-06 A The following is an example of the Show Port command: 59021-06 A B-57 The following is an example of the Show Switch command: The following is an example of the Show Topology command: B-58 59021-06 A The following is an example of the Show Topology command for port 1: 59021-06 A B-59 The following is an example of the Show Version command: Show Config Command Syntax Keywords Examples Show Config Command The following is an example of the Show Config Switch command: The following is an example of the Show Config Threshold command: Show Config Command B-62 59021-06 A The following is an example of the Show Config Zoning command: Show Log Command Syntax Keywords Examples Show Log Command The following is an example of the Show Log Options command: The following is an example of the Show Log command: Show Perf Command Syntax Keywords Show Perf Command B-66 59021-06 A Examples The following is an example of the Show Perf Byte command: Show Setup Command Syntax Keywords Examples Show Setup Command B-68 59021-06 A Show Setup Command 59021-06 A B-69 The following is an example of the Show Setup System command: Shutdown Command Test Command Syntax Keywords Examples Page Page Uptime Command User Command Authority Syntax Keywords Examples User Command The following is an example of the User Add command: The following is an example of the User Delete command: The following is an example of the User List command: Whoami Command Zone Command Authority Syntax Keywords Page Zone Command B-80 59021-06 A Examples The following is an example of the Zone Members command: Page Zoneset Command Authority Syntax Keywords Notes Examples The following is an example of the Zoneset Zones command: Zoning Command Authority Syntax Keywords Examples Zoning Command 59021-06 A B-87 The following is an example of the Zoning List command: Zoning Command B-88 59021-06 A Glossary Page Page Page Index Numerics A B C D E F G H I L M N O P Q R S T U V W Z