Solving Problems At The Component Level; Identifying Startup Problems - Cisco MDS 9216 Hardware Installation Manual

Solving Problems at the Component Level

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 .
If each of these conditions is met and the hardware installation is complete, refer to
http://www.cisco.com/univercd/cc/td/doc/product/sn5000/mds9000/index.htm
9000 Family configuration guides containing information on troubleshooting the software. However, if
any of these conditions are not met, use the procedures in this appendix to isolate and, if possible, resolve
the problem.
Solving Problems at the Component Level
The key to success when troubleshooting the system is to isolate the problem to a specific system
component. The first step is to compare what the system is doing to what it should be doing. Because a
startup problem can usually be attributed to a single component, it is more efficient to isolate the problem
to a subsystem rather than troubleshoot each separate component in the system.
The Cisco MDS 9216 Switch includes the following subsystems:
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•
Note
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Identifying Startup Problems

LEDs indicate all system states in the startup sequence. By checking the LEDs, you can determine when
and where the system failed in the startup sequence.
To identify startup problems, follow these steps:
Turn on the power supply by pressing the switch on (|). You should immediately hear the system fan
Step 1
module begin to operate. If you do not, see the
page
contact your customer service representative. If the system fan module does not function properly at
initial startup, there are no installation adjustments that you can make. To replace the fan module, see
the
Cisco MDS 9216 Switch Hardware Installation Guide
B-2
Power supply—The power supply includes the power supply fans.
Fan module—The fan module should operate whenever system power is on. You should see the Fan
LED turn green and should hear the fan module to determine whether or not it is operating. If the
Fan LED is red, this indicates that one or more fans in the fan module is not operating. You should
immediately contact your customer service representative (see the
section on page B-5). There are no installation adjustments that you can make if the fan module does
not function properly at initial startup.
If you purchased this product through a Cisco reseller, contact the reseller directly for technical
support. If you purchased this product directly from Cisco, contact Cisco Technical Support at
this URL: http://www.cisco.com/warp/public/687/Directory/DirTAC.shtm
Supervisor module—The supervisor module contains the system operating software, so check your
supervisor module if you have trouble with the system software. A Status LED indicates whether
the supervisor module can initialize the module in slot 2, if present.
Switching or services module—A Status LED on the module indicates if it was initialized by the
supervisor module. A module that is partially installed in the backplane can cause the system to halt.
B-3. If you determine that the power supplies are functioning normally and the fan module is faulty,
"Removing and Installing the Fan Module" section on page 2-33.
"Contacting Customer Service"
"Troubleshooting the Power Supplies" section on
Appendix B Troubleshooting
for the latest Cisco MDS
OL-6985-01