S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m
Contents
iv
Cisco MDS 9000 Family Troubleshooting Guide, Release 3.x
OL-9285-05
Implementing Syslog with the CLI
1-12
Troubleshooting with Logs
1-13
Viewing Logs with Fabric Manager
1-13
Viewing Logs with the CLI
1-13
Viewing the Log from the Supervisor
1-14
Viewing NVRAM logs
1-14
Contacting Customer Support
1-15
C H A P T E R
2
Troubleshooting Installs, Upgrades, and Reboots
2-1
Overview
2-1
Guidelines
2-2
Guidelines for Installations
2-2
Guidelines for Upgrading
2-2
Guidelines for Reboots
2-4
Disruptive Module Upgrades
2-4
Troubleshooting a Nondisruptive Upgrade on a Fabric Switch
2-4
Troubleshooting Fabric Manager Installations
2-5
Verifying Cisco SAN-OS Software Installations
2-6
Troubleshooting Cisco SAN-OS Software Upgrades and Downgrades
2-7
Software Installation Reports an Incompatibility
2-7
Diagnosing Compatibility Issues
2-7
Software Installation Ends with Error
2-9
Installing SAN-OS Software Using Fabric Manager
2-10
Installing Cisco SAN-OS Software from the CLI
2-11
Troubleshooting Cisco SAN-OS Software System Reboots
2-13
Power On or Switch Reboot Hangs
2-13
Corrupted Bootflash Recovery
2-14
Recovery Using BIOS Setup for Supervisor-1
2-16
Recovery from the loader> Prompt on Supervisor-2 Modules
2-19
Recovery from the loader> Prompt on Supervisor-1 Modules
2-20
Recovery from the switch(boot)# Prompt
2-21
Recovery for Switches with Dual Supervisor Modules
2-22
Recovering One Supervisor Module With Corrupted Bootflash
2-23
Recovering Both Supervisor Modules With Corrupted Bootflash
2-24
Recognizing Error States
2-25
Switch or Process Resets
2-26
Recoverable System Restarts
2-27
Unrecoverable System Restarts
2-31