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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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Logical Structure

Logical Structure

This section describes the logical structure of the CH225 V3 mainboard.

Figure 2-7 shows the logical structure of the CH225 V3 mainboard.

The RAID controller card provides eight SAS ports, two of which connect to the HDD/SSD backplane. The RAID controller card determines RAID properties of the HDDs and SSDs. The HDD/SSD backplane only provides physical channels and does not process data on HDDs and SSDs.

Figure 2-7 Logical structure of the mainboard
Updated: 2019-07-10

Document ID: EDOC1000095351

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