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OceanStor 9000 V100R001C01 Parts Replacement 12

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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).
Parts Replacement List and Policies

Parts Replacement List and Policies

This section describes the parts replacement list and replacement policies.

During replacement of faulty hardware components in the OceanStor 9000, observe the following principles:
  • When replacing components of the storage node, perform operations in this document, and recover services by referring to related alarms and performing operations in the OceanStor 9000 Troubleshooting.
  • When replacing switches and other components, remove and install the devices by performing operations in delivery-attached manuals and recover services.
Table 1-1 lists the replaceable components and replacement policies of the OceanStor 9000.
Table 1-1  Parts replacement list and policies

Hardware Model

Replaceable Component

Replacement Policy

Storage node

Service disk module

Support for hot swap.

The allowed maximum number of faulty service disks is related to redundancy ratio settings. Replace a faulty service disk in a timely manner to prevent data loss.

System disk module

Support for hot swap.

RAID 1 has been configured for system disks. Replacing one disk has no impacts on system running.

When one system disk is faulty, replace it in a timely manner.

Power module

Support for hot swap.

Two power modules are configured by default. Replacing one power module has no impacts on system running.

When one power module is faulty, replace it in a timely manner.

Main control board enclosure

The server needs to be powered off before replacement. Replace the faulty main control board enclosure in a timely manner.

Memory module

The server needs to be powered off and the main control board enclosure needs to be removed before replacement. Replace the faulty memory module in a timely manner.

NVDIMM module

The faulty NVDIMM causes states of all disks on this node to be read only and data in file system can not write into this node. The health status of the storage cluster becomes Degraded. Please replace the faulty NVDIMM module in a timely manner.

The server needs to be powered off and the main control board enclosure needs to be removed before replacement. Replace the faulty NVDIMM module in a timely manner.

Service disk backplane

The server needs to be powered off and the main control board enclosure needs to be removed before replacement. Replace the faulty service disk backplane in a timely manner.

Network adapter

The server needs to be powered off and the main control board enclosure needs to be removed before replacement. Replace the faulty network adapter in a timely manner.

Fan module

The server needs to be powered off and the main control board enclosure needs to be removed before replacement. Replace the faulty fan module in a timely manner.

Integrated system

The server needs to be powered off before replacement.

The allowed maximum number of faulty nodes is related to redundancy ratio settings. Replace the faulty storage node in a timely manner to prevent data loss.

S5352C-SI/S5700-52C-SI GE switch

Integrated system

The switch needs to be powered off before replacement.

  • When the OceanStor 9000 management network has only one switch, replacing the switch will affect device maintaining and remote management.
  • When switches are stacked, replacing one switch will not affect service running. Fore details, refer to the S5700 product documents or S5300 product documents.

See Installing a GE Switch in OceanStor 9000 Hardware Installation Guide to learn how to install the switch.

See Configuring Switches in OceanStor 9000 Software Installation Guide to learn how to configure the switch.

CE6850-48S4Q-EI/CE6850-48S4Q-EI 10GE switch

Integrated system

The switch needs to be powered off before replacement.

When switches are stacked, replacing one switch will not affect service running.

See Installing a 10GE/25GE Switch in OceanStor 9000 Hardware Installation Guide to learn how to install the switch.

See Configuring Switches in OceanStor 9000 Software Installation Guide to learn how to configure the switch.

IS5023 InfiniBand switch

Integrated system

The switch needs to be powered off before replacement.

When switches are interconnected, replacing a switch will not affect service running.

See Installing an IS5023 IB Switch in OceanStor 9000 Hardware Installation Guide to learn how to install the switch.

See Configuring Switches in OceanStor 9000 Software Installation Guide to learn how to configure the switch.

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Updated: 2018-10-27

Document ID: EDOC1000042171

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