3. Check the error message indicating the status of the WWN unit (see Table 38).
Type the chassisShow command to determine the status of the WWN unit.
Table 38 WWN card related system log messages
System message (errshow or errdump)Type of message
<timestamp>, [EM-1050], <sequence-number>,,
INFO, <system-name>, FRU WWN # removal detected.
WWN unit removal was detected
<timestamp>, [EM-1049], <sequence-number>,,
INFO, <system-name>, FRU WWN # insertion detec-
ted.
WWN unit insertion was detected
<timestamp>, [EM-1004], <sequence-number>,,
CRITICAL, <system-name>, WWN # failed to power
on
WWN unit fails to power on
<timestamp>, [EM-1034], <sequence-number>,, ER-
ROR, <system-name>, WWN # set to faulty,
rc=<return code>
WWN unit is being faulted
Removing the WWN bezel (logo plate) and WWN card
To remove the WWN bezel and WWN card:
CAUTION:
Wear a grounded ESD strap when handling the WWN card. Use the grounding connections above
the power connectors on the chassis.
1. Open a Telnet session to the DC04 SAN Director and log in to the active CP as admin. The
default password is password.
2. Verify that you are logged into the active CP. Run the haShow command to determine the active
CP.
3. Remove the two screws from the WWN bezel. Pull the bezel away from the chassis and set it
aside. The WWN cards and their status LEDs are visible. See Figure 72
4. Type fruReplace wwn from the active CP blade and wait for the phrase Do you wish to
continue [y/n]? to be displayed, and then type y.
HP StorageWorks DC and DC04 SAN Backbone Director Switches 189
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