Dell PowerConnect B-DCX4S Hardware Reference Guide - Page 122

Troubleshooting

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C Troubleshooting For more information about diagnostic tests and how to run them, refer to the Fabric OS Administrator's Guide and the Fabric OS Command Reference. For information about system error messages (errShow or errDump), refer to the Fabric OS Troubleshooting and Diagnostics Guide. Troubleshooting TABLE 26 Issue Table 26 provides a list of issues, possible causes, and recommended actions. Troubleshooting the PowerConnect B-DCX-4S Possible cause Recommended action Entire chassis powers off automatically. Several or all components are not operating. Serial connection is faulty or serial port logs have incorrect or missing information. CP Ethernet link speed is different than expected or a link cannot be established. Configuration data is inaccurate or cannot be accessed. Initial set up results in IP address/Domain ID conflict. Power supplies are inadequate to support the Add an additional power supply. installed components. One or both power cables may not be connected to a live source. Ensure that both power cables are connected to live outlets. One or both AC power switches might be off. Ensure that both AC power switches are on (AC switches light up green when on). Serial cable is not connected correctly. Ensure that the cable is firmly connected to the workstation computer and to the PowerConnect B-DCX-4S. Terminal emulator application parameters are not set correctly. Ensure that the terminal emulator application is configured as follows: 9600 bits per second, 8 databits, no parity, 1 stop bit, no flow control. Serial port might be incompatible (only RS-232 is supported). Ensure that the PowerConnect B-DCX-4S is connected to an RS-232 port. RS-423 serial ports might experience difficulties due to corner-case incompatibilities of the standards. Pins on the serial cable or serial port might be damaged. Remove the cable and inspect the pins on the cable and in the serial port. Do not reinstall if the pins on either component have any visible damage, as this could damage the pins on the other component. Replace the components as required. There might be a conflict with the CP Ethernet link speed negotiation set up by the network. Specify the CP Ethernet link speed by typing the ifModeSet command. For more information about Ethernet connectivity to the PowerConnect B-DCX-4S, refer to the LAN guidelines provided through the MyBrocade Web site. Chassis was powered off/on while a WWN card was uninstalled or failed. Install an operational WWN card and power the system off/on again. The PowerConnect B-DCX-4S was rebooted while a WWN card was uninstalled or failed. The PowerConnect B-DCX-4S was connected See Chapter 3, "Log In and Configuration" and the to the fabric before being configured. for configuration information. 108 PowerConnect B-DCX-4S Backbone Hardware Reference Manual 53-1001808-01

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108
PowerConnect B-DCX-4S Backbone Hardware Reference Manual
53-1001808-01
Troubleshooting
C
For more information about diagnostic tests and how to run them, refer to the
Fabric OS
Administrator’s Guide
and the
Fabric OS Command Reference
. For information about system error
messages (
errShow
or
errDump
), refer to the
Fabric OS Troubleshooting and Diagnostics Guide
.
Troubleshooting
Table 26
provides a list of issues, possible causes, and recommended actions.
TABLE 26
Troubleshooting the PowerConnect B-DCX-4S
Issue
Possible cause
Recommended action
Entire chassis powers off
automatically.
Power supplies are inadequate to support the
installed components.
Add an additional power supply.
Several or all components are not
operating.
One or both power cables may not be
connected to a live source.
Ensure that both power cables are connected to live
outlets.
One or both AC power switches might be off.
Ensure that both AC power switches are on (AC
switches light up green when on).
Serial connection is faulty or serial
port logs have incorrect or missing
information.
Serial cable is not connected correctly.
Ensure that the cable is firmly connected to the
workstation computer and to the PowerConnect
B-DCX-4S.
Terminal emulator application parameters
are not set correctly.
Ensure that the terminal emulator application is
configured as follows: 9600 bits per second, 8
databits, no parity, 1 stop bit, no flow control.
Serial port might be incompatible (only
RS-232 is supported).
Ensure that the PowerConnect B-DCX-4S is
connected to an RS-232 port. RS-423 serial ports
might experience difficulties due to corner-case
incompatibilities of the standards.
Pins on the serial cable or serial port might be
damaged.
Remove the cable and inspect the pins on the cable
and in the serial port. Do not reinstall if the pins on
either component have any visible damage, as this
could damage the pins on the other component.
Replace the components as required.
CP Ethernet link speed is different
than expected or a link cannot be
established.
There might be a conflict with the CP Ethernet
link speed negotiation set up by the network.
Specify the CP Ethernet link speed by typing the
ifModeSet
command.
For more information about Ethernet connectivity to
the PowerConnect B-DCX-4S, refer to the LAN
guidelines provided through the MyBrocade Web
site.
Configuration data is inaccurate or
cannot be accessed.
Chassis was powered off/on while a WWN
card was uninstalled or failed.
Install an operational WWN card and power the
system off/on again.
The PowerConnect B-DCX-4S was rebooted
while a WWN card was uninstalled or failed.
Initial set up results in IP
address/Domain ID conflict.
The PowerConnect B-DCX-4S was connected
to the fabric before being configured.
See
Chapter 3, “Log In and Configuration”
and the
for configuration information.