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OceanStor 9000 V100R001C30 Parts Replacement 14

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Replacing a Back-end 10GE Switch

Replacing a Back-end 10GE Switch

This section describes how to replace a Back-end 10GE switch.

Impact on the System

Before the replacement, the Back-end 10GE switch needs to be powered off. Exercise caution when powering off the Back-end 10GE switch.

Prerequisites

  • A spare Back-end 10GE switch for replacement is ready. The models of the spare 10GE switches can be CE6810-48S4Q-EI/CE6810-24S2Q-LI/CE6855-48S6Q-HI. Use the same model of switches to replace the faulty switch.
  • The Back-end 10GE switch to be replaced has been located.
  • The cable connection position on the Back-end 10GE switch to be replaced has been clearly marked.
  • The serial port login password of the normal switch is obtained.

Precaution

  • Use even strength when you remove or insert a Back-end 10GE switch module. Excessive force may damage the appearance or connectors of the Back-end 10GE switch.
  • To prevent personal injury, arrange two persons to replace it.

Tools and Materials

  • Phillips screwdriver (M3 to M6)
  • ESD wrist strap
  • ESD bag
  • ESD table
  • Labels
  • Console communication cables used to configure switches. One end of this cable is an RJ-45 connector and the other end is a DB-9 connector (connecting to the installation PC). If the installation PC has no serial port, prepare a USB-to-serial port cable.

Procedure

  1. Check whether the indicators of the faulty switch are all off.

    • If yes, go to 3.
    • If no, go to 2.

  2. Log in to DeviceManager and choose Alarms. Check whether the one of the following alarms is generated on the faulty switch:

    • A network port is faulty.
    • A network port rate is different from the negotiated one.
    • The network port of a device has an overhigh packet error ratio.
    • The network port of a device has an overhigh packet loss ratio.
    • The network port of a device has heavy traffic.
    • The network port of a device fails to resolve the IP address using the ARP.
    • The optical module incorrectly sends optical power.
    • If yes, rectify the faulty according to the recommended actions.
    • If no, go to 3.

  3. Wear an ESD wrist strap.
  4. Remove cables connected to the Back-end 10GE switch that you want to replace.

    Ensure that the faulty switch is powered off. If the normal switch is mistakenly powered off, the online services of the system will be adversely affected.

  5. Remove the cable connected to the Back-end 10GE switch that you want to replace.

    NOTE:

    For the ground cable of the Back-end 10GE switch, you only need to remove the end that connects to the cabinet in this step. (The other end of the cable is secured to a side of the Back-end 10GE switch and will be removed after the Back-end 10GE switch is removed from the cabinet.)

  6. Remove the Back-end 10GE switch from its cabinet, as shown in Figure 6-1.
    1. Use a Phillips screwdriver to remove the M6 screws from the Back-end 10GE switch's mounting ears.
    2. Pull the Back-end 10GE switch out of the cabinet along guide rails and place it on the ESD table.

    Figure 6-1  Removing a Back-end 10GE switch

  7. Remove the ground cable and mounting ears from the Back-end 10GE switch, as shown in Figure 6-2.
    1. Use a Phillips screwdriver to remove the ground cable on a side of the Back-end 10GE switch.
    2. Use a Phillips screwdriver to remove the mounting ears on both sides of the Back-end 10GE switch.

    Figure 6-2  Removing the ground cable and mounting ears

  8. Take the spare Back-end 10GE switch out of the ESD bag and place it on the ESD table.
  9. Install the ground cable and mounting ears on the spare Back-end 10GE switch, as shown in Figure 6-3.
    1. Use a Phillips screwdriver to install the ground cable on a side of the Back-end 10GE switch.
    2. Use a Phillips screwdriver to install the mounting ears on both sides of the Back-end 10GE switch.

    Figure 6-3  Installing the ground cable and mounting ears

  10. Place the Back-end 10GE switch to be installed in the cabinet, as shown in Figure 6-4.
    1. Slide the Back-end 10GE switch into the cabinet along the guide rails.
    2. Use M6 screws to secure the Back-end 10GE switch in the cabinet.
    3. Verify that the Back-end 10GE switch is horizontally installed and firmly secured.

    Figure 6-4  Installing a Back-end 10GE switch

  11. Record the version and stack parameters of the normal switch.
    1. Log in to the normal switch through the console port.

      Set Bits per second to 9600, Data bits to 8, Stop bits to 1, Parity to None, and Flow control to None. There is no authentication by default.

    2. Enter the serial port login password of the switch.
    3. Run the following command to query the switch version, which follows Version, and records the version. The following information is only for reference.

      <HUAWEI>display version
      Huawei Versatile Routing Platform Software
      VRP (R) software, Version 8.80 (CE6810 V100R003C00SPC500)
      ......

    4. Run the following command to view the stack priority of the switch, which is the value of Priority, and records the priority. Query the query ID, which is the value of MemberID, and records the member ID.

      <HUAWEI>display stack                                                           
      ----------------------------------------------------------------                
      MemberID Role     MAC              Priority   Device Type                       
      ----------------------------------------------------------------                
      1        Master   30d1-7e72-9650   200        CE6810-48S4Q-EI 
      ----------------------------------------------------------------   
      ......

  12. Check the version of the new switch.
    1. Connect the power cable and console communication cable of the new switch and power on the switch.

      In this step, you only need to connect the power cable and console communication cable of the switch. Do not connect other signal cables to the switch.

    2. Log in to the new switch through the console port.
    3. Set a serial port login password at your first login. The password must be the same as that of the normal switch. If security measures have been taken to protect the equipment room where the devices reside, there is no need to set a serial port password because if you forget the password, the devices cannot be managed. If a serial port password is set, record the password and notify the device administrator of the password.

      If the following message is displayed, press Ctrl+C.

      USB discovery phase started...                                                  
      Press CTRL+C to abort Zero Touch Provisioning in 10 seconds... 

      Enter your password as prompted. (The following information is only for reference.)

      An initial password is required for the first login via the console.            
      Continue to set it? [Y/N]: Y                                                    
      Set a password and keep it safe! Otherwise you will not be able to login via the
       console.                                                                       
                                                                                      
      Please configure the login password (8-16)                                      
      Enter Password:                                                                 
      Confirm Password: 

    4. Run display version and check whether the switch version is the same as that recorded in 11.c.

      • If yes, go to 14.
      • If no, go to 13.

  13. Refresh the version of the new switch to be the same as that of the original switch.

    For details on how to refresh the switch version, see the CloudEngine Upgrade Guide. To obtain this document, do as follows: log in to http://support.huawei.com/enterprise/, choose Support > Enterprise Network > Switch > Data Center Switch > CloudEngine 6800 > Downloads, click the required version, and download the CloudEngine Upgrade Guide in Release Documentation.

  14. Configure stack parameters for the new switch.
    1. Configure stack parameters for the new switch.

      The stack priority is the value recorded in 11.d subtracts 10. For example, if the priority recorded in 11.d is 200, set the priority of the new switch to 190.

      The stack member ID of the new switch must be the same as that of the faulty switch. If the stack member IDs are set to 1 and 2 at the initial installation, configure a stack member ID for the new switch as follows:
      • If the member ID of the normal switch in 11.d is 1, set the member ID of the new switch to 2.
      • If the member ID of the normal switch in 11.d is 2, set the member ID of the new switch to 1.
      ##Go to the system view.
      <HUAWEI>system-view
      #Configure the stack ID, priority, and stack domain ID.
      [~HUAWEI]stack
      #The stack ID configured here is the same as that of the faulty switch. The stack member ID of the faulty switch is assumed to be 2 in this example.
      [~HUAWEI-stack]stack member 1 renumber 2 inherit-config
      [~HUAWEI-stack]stack member 1 priority 190
      [*HUAWEI-stack]stack member 1 domain 10
      [*HUAWEI-stack]quit
      [*HUAWEI]commit
      #Create a stack port.
      [~HUAWEI]interface stack-port 1/1
      #Set physical ports as stack ports. Each stack port number must correspond to the actually connected port number.
      [*HUAWEI-Stack-Port1/1]port member-group interface 40ge 1/0/1 to 1/0/2
      [*HUAWEI-Stack-Port1/1]quit
      [*HUAWEI]commit
      [~HUAWEI]quit
      <HUAWEI>save
      Warning: The current configuration will be written to the device. Continue? [Y/N]:Y
      Info: Please input the file name(*.cfg, *.zip, *.dat)[vrpcfg.zip]:
      Now saving the current configuration to the slot 1 
      Info: Save the configuration successfully.
      #Restart the switch. The restart takes approximately 5 minutes.
      <HUAWEI>reboot
      ...
      Warning: The system will reboot. Continue? [Y/N]:Y
      ...

    2. Wait until the new switch restarts and log in to the switch to view stack parameters.

      <HUAWEI>display stack                                                           
      ----------------------------------------------------------------                
      MemberID Role     MAC              Priority   Device Type                       
      ----------------------------------------------------------------                
      2        Master   30d1-7e72-9600   190        CE6810-48S4Q-EI 
      ......

    3. Power off the new switch.
  15. Connect all signal cables and power cables according to the cable labels and then power on the switch.
  16. Wait until all indicators are steady on and verify the stack configuration.

    Run the following command:

    <HUAWEI>display stack                                                           
    ----------------------------------------------------------------                
    MemberID Role     MAC              Priority   Device Type                       
    ----------------------------------------------------------------                
    1        Master   30d1-7e72-9650   200        CE6810-48S4Q-EI 
    2        Standby  30d1-7e72-9600   190        CE6810-48S4Q-EI 
    ----------------------------------------------------------------                
    <HUAWEI>display stack topology
    Stack Topology:                                                                 
    ----------------------------------------------                                  
                Stack-Port 1      Stack-Port 2                                      
    MemberID   Status Neighbor   Status Neighbor                                    
    ----------------------------------------------                                  
    1          up     2          --     --                                          
    2          up     1          --     --                                          
    ----------------------------------------------                                  
                                                                                    
    Stack Link:                                                                     
    ----------------------------------------------------------------------------    
    Stack-Port       Port               Status     PeerPort           PeerStatus    
    ----------------------------------------------------------------------------    
    Stack-Port1/1    40GE1/0/1          up         40GE2/0/1          up            
    Stack-Port1/1    40GE1/0/2          up         40GE2/0/2          up            
    Stack-Port2/1    40GE2/0/1          up         40GE1/0/1          up            
    Stack-Port2/1    40GE2/0/2          up         40GE1/0/2          up            
    ----------------------------------------------------------------------------    

    When records about two switches are displayed and their stack IDs, stack priority, stack ports are the same as the prior settings, the stack is successfully configured.

  17. Log in to DeviceManager and choose Alarms. Check whether one of the following alarms is generated on the switch:

    • A network port is faulty.
    • A network port rate is different from the negotiated one.
    • The network port of a device has an overhigh packet error ratio.
    • The network port of a device has an overhigh packet loss ratio.
    • The network port of a device has heavy traffic.
    • The network port of a device fails to resolve the IP address using the ARP.
    • The optical module incorrectly sends optical power.
    • If yes, rectify the faulty according to the recommended actions.
    • If no, go to 18.

  18. Perform inspection.

    Inspect the system using SmartKit. Choose Home > Storage > Routine Maintenance > More > Inspection to check the system status. For details, see the OceanStor 9000 Routine Maintenance. Check whether the following check items are all passed:

    • Network Port Status
    • Network Port Duplex Status
    • Optical Module Status
    • Network Port ARP Resolution
    • Inter-Node Communication Link
    • If yes, no action is required.
    • If no, rectify the faulty according to the recommended actions.

Follow-up Procedure

After the Back-end 10GE switch is replaced, label the faulty switch that you have removed to facilitate subsequent operations.

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Updated: 2018-10-27

Document ID: EDOC1000075654

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