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CH222 Compute Node V100R001 User Guide 18

This document describes the appearance, functions, structure, and installation, removal, and configuration methods of the CH222 compute node.
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Removing a USB Flash Drive

Removing a USB Flash Drive

You need to remove a USB flash drive before replacing it with a new one.

Scenarios

Remove a USB flash drive in either of the following scenarios:

  • The USB flash drive is faulty.
  • The USB flash drive needs to be replaced with a newer model.
NOTE:

For details about how to erase data from a USB flash drive, see Erasing Storage Media Data.

Figure 5-38 shows the USB flash drive installation position on the CH222.

Figure 5-38 USB flash drive installation position on the CH222

Prerequisites

Conditions

Data

Data preparation is not required for this operation.

Tools

  • Electrostatic discharge (ESD) gloves.
  • Packing materials, for example, ESD bag.

Procedure

  1. Press and hold down the spring on a RAID controller card connector and remove the MiniSAS cable from the RAID controller card. See steps (1) and (2) in Figure 5-39.

    Figure 5-39 Removing an MiniSAS cable

  2. Remove the bridge board between the hard disk drawer and the expansion board, as shown in Figure 5-40.

    Figure 5-40 Removing the bridge board

  3. Only personnel authorized by Huawei and Huawei technical support personnel can remove the mainboard.

    Use the Phillips screw to remove the three captive screw on the CH222 mainboard. See step (1) in Figure 5-41.

    Figure 5-41 Removing the mainboard

  4. Pull one fourth of the CH222 mainboard out of the backend until the USB flash drive is exposed. See step (2) in Figure 5-41.
  5. Remove the USB flash drive from the connector on the compute node, as show in Figure 5-42.

    Figure 5-42 Removing the USB flash drive

  6. Place the removed USB flash drive in an ESD bag.
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Updated: 2019-08-16

Document ID: EDOC1000018075

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