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Parts Replacement 12

OceanStor 18500 V3 and 18800 V3 Mission Critical Storage System V300R003

This document describes the procedure for replacing the parts of storage system in terms of safety operations, preparations, and precautions.
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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 System Subrack

Replacing a System Subrack

This section describes how to replace a system subrack.

Impact on the System

Replacing a system subrack interrupts services running on the system subrack. Perform this operation with caution and under the guidance of Huawei technical support engineers.

Prerequisites

  • The replacement system subrack is ready.
  • The system subrack that you want to replace has been located.
    NOTE:
    You can locate a component in either of the following ways:
    • Log in to DeviceManager, and go to the System page. On the System page, check the device view and locate the position of the component to be replaced. If the component has a location indicator, turn on the indicator. (For details about how to turn on a location indicator, see the online help of DeviceManager.)
    • Use the alarm indicator of the component to locate its component.
  • The cable connection positions of the system subrack that you want to replace are labeled on the cables.
  • Services running on the system subrack that you want to replace have been stopped.
  • The power cables have been disconnected from the system subrack that you want to replace.

Precaution

  • Before replacing the system subrack, confirm that cascading cables are properly connected.
  • Remove and insert a system subrack with even force. Excessive force may damage the appearance or connectors of the system subrack.
  • To prevent personal injury, arrange three persons to move a fully configured system subrack.

Tools and Materials

  • Phillips screwdriver (M3 to M6)
  • ESD wrist strap
  • ESD bag
  • ESD table
  • Labels
  • Optional: Nameplate
  • Optional: Huawei logo label

Procedure

  1. Check system status before replacement.
    1. Perform a system status inspection.

      Start SmartKit. On the homepage, choose MyTools > Storage > Parts Replacement > Inspection. The Inspection Wizard step 5-1:Welcome page is displayed after you go to the Inspection page. On the wizard, select Routine inspection and perform the inspection as instructed by the wizard.

      For details, you can click .

      NOTE:

      If some items fail the inspection, rectify the faults by performing the recommended actions in the inspection reports. Ensure that all other parts except the parts to be replaced are working correctly.

    2. Perform a pre-replacement inspection.

      On the homepage, choose MyTools > Storage > Parts Replacement > FRU Replacement. On the FRU Replacement page, select the part that you want to replace and perform the pre-replacement inspection as prompted. For details, see Using SmartKit for Parts Replacement (Recommended).

      You can proceed to next step only when all items pass the pre-replacement check and the replacement page is displayed. If any item fails, rectify the fault by taking recommended actions in the inspection reports.

  2. Stop services running on the system subrack that you want to replace. For details, see the Identifying Host Services Running on the System Subrack.

    If the system subrack to be replaced is a configuration disk enclosure (with coffer disks), stop services of all disk enclosures in the expansion loop where the system subrack to be replaced resides.

  3. Wear an ESD wrist strap and remove the cables from the system subrack that you want to replace.
  4. Take the replacement system subrack out of its ESD bag and place the system subrack on the ESD table.
  5. Remove components from the system subrack that you want to replace and reinstall them to their original positions in the replacement system subrack.
  6. Remove the system subrack that you want to replace from the cabinet, as shown in Figure 5-18.
    1. Use a Phillips screwdriver to loosen the M6 screws from the system subrack.
    2. Pull the system subrack out of the cabinet along guide rails and place the system subrack on the ESD table.

    Figure 5-18  Removing a system subrack

  7. Optional: Attach the nameplate and the Huawei logo label to the same positions on the replacement system subrack as those on the removed system subrack, as shown in Figure 5-19. a indicates the nameplate location and b indicates the Huawei logo label location.

    Figure 5-19  Positions of the nameplate and Huawei logo label

    NOTE:

    Two different nameplates are often included in the product. Please select the one that contains identical information to the nameplate on the removed system subrack.

  8. Install the system subrack into the cabinet, as shown in Figure 5-20.
    1. Slide the system subrack into the cabinet along guide rails.
    2. Use M6 screws to fix the system subrack in the cabinet.
    3. Ensure that the system subrack is horizontally installed and tightly screwed.

    Figure 5-20  Installing a system subrack

  9. Connect cables of the system subrack.
  10. When the Power indicator is steady on, check whether the status of each component is normal.

    • If yes, the system subrack is successfully installed.
    • If no, cables are incorrectly connected, components are incorrectly installed, or the newly installed system subrack is faulty.

  11. Confirm the replacement.
    1. Perform a post-replacement inspection.

      After the replacement, on the SmartKit page, click Replaced. Perform the post-replacement inspection as prompted.

    2. Check the system status after the replacement.

      Check the system status again on the Inspection page after the replacement. If any inspection item fails, rectify the fault based on the suggestions.

    3. Check services on a host for any storage-related error.

Follow-up Procedure

After the system subrack is replaced, label it to facilitate subsequent operations.

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Updated: 2019-05-15

Document ID: EDOC1000084105

Views: 23203

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