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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 Cable

Replacing a Cable

This section describes how to replace a cable.

Impact on the System

Replacing a cable may interrupt system services. Replace the cable in off-peak hours and back up data in advance to avoid unexpected service interruption.

Prerequisites

  • The replacement cable is ready.
  • The cable that you want to replace has been located.
  • Data has been backed up if you replace the cable online.

Precaution

Remove and insert a cable with even force. Excessive force may damage the cable.

Tools and Materials

  • ESD wrist strap
  • ESD bag
  • Label

Procedure

  1. Wear an ESD wrist strap.
  2. Confirm the position of the cable to be replaced and record the cable's label.
  3. Cut the binding tapes and remove the cable to be placed.

    Do not look into the optical port without eye protection. The laser beams inside an optical port can cause damage to your eyes.

    NOTE:

    Before removing a SAS cable, gently push the connector of the cable inward. Then pull the plastic ring on the connector outward and hold the plastic ring while removing the cable.

  4. Put the removed cable into an ESD bag.
  5. Take the replacement cable out of the ESD bag.
  6. Write the content recorded in 2 to a new label and attach the new label to the cable to be installed.
  7. Insert the replacement cable to the position of the original cable.

    If various cables at different locations have been replaced simultaneously, ensure that the cables before and after the replacement have the same types.

    Do not look into the optical port without eye protection. The laser beams inside an optical port can cause damage to your eyes.

  8. Optional: View the indicator of the cable port, and determine whether the installation is successful if you replace the cable online.

    NOTE:

    Indicator colors vary with different interface modules. In general, a red indicator indicates that the system has an alarm or is abnormal. For details, refer to the Product Description.

  9. Bind the cables.
  10. 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 cable is replaced, label it for subsequent operations.

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Updated: 2019-05-15

Document ID: EDOC1000084105

Views: 21324

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