Determining The Status Of A Wwn Card - Brocade Communications Systems DCX 8510-4 Hardware Reference Manual

4

Determining the status of a WWN card

Table 7
TABLE 7
LED purpose
Power
Fault

Determining the status of a WWN card

Complete the following steps to determine the status of a WWN card.
NOTE
The WWN bezel (logo plate) covers the WWN cards. The LEDs on the WWN cards are not visible
unless the bezel is removed.
Enter the chassisShow command to display information about the WWN card. (WWN units
correspond to information specific to the WWN card.) Error messages that may indicate problems
with a WWN card are summarized in
54
describes the LED patterns for the blower assembly.
Blower assembly LED descriptions
Color
No light
(LED is off)
Steady green
No light
(LED is off)
Steady amber
Slow-flashing amber
(on 2 sec, then off 2 sec)
Flashing amber
(on 1/2 sec, then off 3.5 sec)
Fast-flashing amber
(on 1/2 sec, then off 1/2 sec)
TABLE 8
Messages that may indicate WWN card failure
Type of message
WWN unit fails its FRU (field
replaceable unit) header access.
WWN unit fails to power on
Status
Blower assembly does not
have power.
Blower assembly has
power.
Blower assembly is either
healthy or does not have
power.
Blower assembly has a
failure (full or partial).
Blower assembly is not
seated correctly or is
faulty.
Fan is disabled.
Environmental range
exceeded.
Table 8.
Sample error message
0x24c (fabos): Switch: switchname, error
EM-I2C_TIMEOUT, 2, WWN 1 I2C timed out: state 0x4
<timestamp>, [EM-1004], <sequence-number>,,
CRITICAL, <system-name>, WWN # failed to power on
or
<timestamp>, [EM-1043], <sequence-number>,,
WARNING, <system-name>, Can't power <FRU Id>
<state (on or off)>.
Brocade DCX 8510-4 Backbone Hardware Reference Manual
Recommended action
Ensure that the blower assembly
is firmly seated and has power.
No action required.
Ensure that the blower assembly
has power.
Replace the blower assembly.
Pull the unit out and reseat it. If
the LED continues to flash,
replace the unit.
Run the fanEnable command to
enable the fan.
Check for out-of-bounds
environmental condition, resolve
any problems, and reseat the
unit. If the LED continues to flash,
replace the unit.
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