Wwn Card Status; Messages That May Indicate Wwn Card Failure - IBM System Storage SAN384B-2 Installation, Service And User Manual

WWN card status

Note: The WWN bezel (see Figure 30 on page 66) covers the WWN cards. The
To determine the status of the WWN card, 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 Table 13.
Table 12. Blower assembly LED descriptions (continued)
LED purpose Color
Fault No Light (LED is off) Blower assembly is
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)
LEDs on the WWN cards are not visible unless the bezel is removed.
Table 13. 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
Recommended
Status action
Ensure that the
either healthy or blower assembly has
does not have power. power.
Blower assembly has Replace the blower
a failure (full or assembly.
partial).
Blower assembly is Pull the unit out and
not seated correctly reseat it. If the LED
or is faulty. continues to flash,
replace the unit.
Fan is disabled. Run fanEnable to
enable the fan.
Environmental range Check for
exceeded. out-of-bounds
environmental
condition, resolve
any problems, and
reseat the unit. If the
LED continues to
flash, replace the
unit.
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)>
Chapter 4. Monitoring system components
65