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Product Description

OceanStor Dorado3000 V3, Dorado5000 V3, and Dorado6000 V3 V300R002

This document describes the storage products in the positioning, highlights, typical applications, architecture, specifications, environmental requirements, standards compliance, and granted certifications.
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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).


The controller enclosure adopts a modular design and consists of a system subrack, controllers, Power-Fan/BBU modules, and disk modules.

Overall Structure

Figure 4-61 shows the overall structure and components of Dorado NAS.


2 U controller enclosures support both AC and DC power modules. The following figure uses the AC power module as an example.

Figure 4-61 Overall structure of Dorado NAS

Controller A is above controller B. Controllers communicate with each other using internal heartbeat links and do not need cable connections.

Front View

Figure 4-62 shows the front view of Dorado NAS.

Figure 4-62 Front view of a Dorado NAS
  • The disk slots of Dorado NAS are numbered 0 to 24 from left to right. The four coffer disks are located in slot 0 to slot 3.
  • Slots are used to accommodate and secure disks, interface modules, controller modules, fan modules, and power modules.
  • The information plate records device information.

Rear View

Figure 4-63 shows the rear view of Dorado NAS, with the AC power supply and SmartIO interface module.

Do not connect the management network port and maintenance network port to the same switch.

  • Dorado NAS provides onboard SmartIO and mini SAS HD ports.
  • Dorado NAS supports 10GE electrical interface modules, 40GE interface modules, 100GE interface modules, and SmartIO interface module (8 Gbit/s, 10 Gbit/s, 16 Gbit/s, 25 Gbit/s, and 32 Gbit/s).
  • When the maintenance network port is used for management and maintenance, the maintenance network port can only be used by Huawei technical support for emergency maintenance and cannot be connected to the same network with the management network port. Otherwise, a network loopback may occur, causing a network storm. The initial value for the IP address of the maintenance network port is or The default subnet mask is You are advised to only connect the management network port to the network.
Figure 4-63 Rear view of Dorado NAS (with AC power modules)


A 2 U controller enclosure houses controller A and controller B from top to bottom. The slots for interface modules of controller A are A0 and A1, and the slots for interface modules of controller B are B0 and B1. When the storage device requires IP Scale-out, SmartIO interface modules must be installed in A1 and B1 slots.

Updated: 2019-07-17

Document ID: EDOC1100049136

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