Removing And Installing A Wwn Bezel And Wwn Card; Time And Items Required; Verifying Necessity Of Replacement; Removing The Wwn Bezel And Wwn Card - IBM System Storage SAN384B-2 Installation, Service And User Manual
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- Datasheet (12 pages) ,
- Installation, service and user manual (190 pages)
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Removing and installing a WWN bezel and WWN card
Note: The World Wide Name (WWN) cards contain fully redundant circuits and
Time and items required
Allow approximately 20 minutes to install a WWN card. The items are needed to
replace a WWN card:
v ESD grounding strap
v #2 Phillips screwdriver (required only for some versions of the WWN card)
v If a serial console session is used: serial cable and a workstation computer with
Verifying necessity of replacement
Before replacing a WWN card, verify that the replacement is necessary. Any of the
events can indicate that the card requires replacement:
v Power or Status LEDs on WWN card (beneath the bezel) indicate a problem
v Problems viewing or modifying the data stored on the WWN card
v Error messages regarding WWN units #1 or #2
Removing the WWN bezel and WWN card
Attention: Follow ESD precautions (see "ESD precautions" on page xxi)
whenever handling cards or blades.
Complete the steps to remove the WWN bezel and WWN card.
1. Open a Telnet session to the SAN384B-2 and log in to the active CP as admin.
2. Verify you are logged into the active CP. Run the haShow command to
3. Run the supportSave command on the active CP to capture all settings. If any
4. Connect yourself to the ESD grounding strap.
5. Remove the two screws from the WWN bezel . Pull the bezel away from the
6. Wait until all the LEDs on the WWN cards turn off.
7. Use a Phillips screwdriver to unscrew the two screws that secure the WWN
8. Disconnect the WWN cable by depressing the cable connector latch and pulling
9. Set the WWN card on a static-free surface, such as a grounding pad.
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SAN384B-2 Installation, Service, and User Guide
normally do not require replacement. Two WWN cards are located beneath
the WWN bezel. The LEDs on the WWN cards are not visible unless the
bezel is removed.
a terminal emulator application (such as HyperTerminal for Windows systems or
TIP for UNIX systems)
The default password is password.
determine the active CP.
problems occur during the replacement, the information will be important for
solving the problem.
chassis and set it aside (see Figure 40 on page 89). The WWN cards and their
status LEDs are visible.
card to the chassis. Hold the card by the edges and pull out to remove it.
the connector from the WWN module.
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