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2-13
Cisco MDS 9000 Family Troubleshooting Guide, Release 3.x
OL-9285-05
Chapter 2 Troubleshooting Installs, Upgrades, and Reboots
Troubleshooting Cisco SAN-OS Software System Reboots
2005 May 20 15:46:03 ca-9506 %KERN-2-SYSTEM_MSG: mts: HA communication with standby
terminated. Please check the standby supervisor.
-- SUCCESS
"Switching over onto standby".
Step 4 Exit the switch console and open a new terminal session to view the upgraded supervisor module using
the show module command.
If the configuration meets all guidelines when the install all command is issued, all modules (supervisor
and switching) are upgraded.
Troubleshooting Cisco SAN-OS Software System Reboots
This section lists possible problems and solutions for software reboots and includes the following topics:
• Power On or Switch Reboot Hangs, page 2-13
• Corrupted Bootflash Recovery, page 2-14
• Recovery Using BIOS Setup for Supervisor-1, page 2-16
• Recovery from the loader> Prompt on Supervisor-2 Modules, page 2-19
• Recovery from the loader> Prompt on Supervisor-1 Modules, page 2-20
• Recovery from the switch(boot)# Prompt, page 2-21
• Recovery for Switches with Dual Supervisor Modules, page 2-22
• Recognizing Error States, page 2-25
Power On or Switch Reboot Hangs
Symptom Power on or switch reboot hangs.
Table 2-5 Power-on or Switch Reboot Hangs
Problem Possible Cause Solution
Power on or switch reboot
hangs for dual supervisor
configuration.
The bootflash is corrupted. See the “Recovery for Switches with Dual Supervisor
Modules” section on page 2-22.
Power on or switch reboot
hangs for single supervisor
configuration.
The loader is corrupted. Interrupt the boot process and reconfigure the BIOS
through the console port to load a new kickstart image
that updates to BIOS image. See the “Recovery Using
BIOS Setup for Supervisor-1” section on page 2-16.
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