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CH225 V3 Compute Node V100R001 User Guide 07

This document describes the appearance, functions, and structure of the CH225 V3 storage expansion compute node (CH225 V3 for short), and methods of installing, removing, and configuring the CH225 V3.
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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).
Front Panel

Front Panel

This topic describes the CH225 V3 front panel.

Figure 2-3 shows the CH225 V3 front panel.

Figure 2-3 Front panel

1

Slide-out information label (with an ESN label)

2

Ejector lever

3

Power button/indicator

4

UID button/indicator

5

Health status indicator

6

Ejector lever release button

7

NVMe PCIe SSD active indicator

8

NVMe PCIe SSD fault indicator

9

NVMe PCIe SSD

10

Product model

11

SAS or SATA HDD/SSD active indicator

12

SAS or SATA HDD/SSD fault indicator

13

SAS or SATA HDD/SSD

ESNs

An Equipment Serial Number (ESN) uniquely identifies a server. An ESN is required when you request Huawei technical support.

Figure 2-4 shows the ESN format.

Figure 2-4 ESN example

Callout No.

Description

1

ESN ID (two characters), which is 21 by default.

2

Material identification code (eight characters), that is, processing code.

3

Vendor code (two characters). The code 10 indicates Huawei, and other values indicate outsourcing vendors.

4

Year and month (two characters).

  • The first character indicates the year, where:
    • Digits 1 to 9 indicate 2001 to 2009, respectively.
    • Letters A to H indicate 2010 to 2017, respectively.
    • Letters J to N indicate 2018 to 2022, respectively.
    • Letters P to Y indicate 2023 to 2032, respectively.
NOTE:

The years from 2010 are represented by upper-case letters excluding I, O, and Z because the three letters are similar to the digits 1, 0, and 2.

  • The second character indicates the month, where:
    • Digits 1 to 9 indicate January to September, respectively.
    • Letters A to C indicate October to December, respectively.

5

Serial number (six characters).

6

RoHS compliance (one character). Y indicates environmental protection processing.

7

Internal model, that is, product name.

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Updated: 2019-07-10

Document ID: EDOC1000095351

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