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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).


This section describes how to and who can replace field replaceable units (FRUs).


FRUs are components that engineers can replace onsite by referring to the operation guide.

Operators: technical support engineers and maintenance engineers from Huawei or certified by Huawei

To effectively check software and hardware status and ensure successful replacement of an FRU, use the FRU replacement tool in OceanStor Toolkit to guide you through the replacement.

Table 2-2 lists FRUs.

Table 2-2  List of FRUs



Controller enclosure


Power module

Fan module

Assistant cooling unit


Interface module

Management module

System subrack

Disk enclosure

Expansion module

Power module

Disk module

Fan module

System subrack

Data Switch

Power module

Fan module

System subrack


Optical module

Updated: 2019-05-15

Document ID: EDOC1000084105

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