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Huawei V2 and V3 Server RAID Controller Card User Guide 36

This document describes the appearances and features of the redundant array of independent disks (RAID) controller cards, how to configure properties for the RAID controller cards, and how to install drivers. The RAID controller cards include the LSI SAS2208, LSI SAS2308, LSI SAS3008, LSI SAS3108, LSI SoftRAID, PM8060, and PM8068.
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Supercapacitor Fault

Supercapacitor Fault

Symptoms

  • Server read/write is much slower.
  • The Configuration Utility of the controller card indicates an abnormal supercapacitor status.

Solution

  1. Go to the Configuration Utility of the controller card and check whether the iBBU or capacitor state is Optimal:

    You can obtain capacitor status information from Battery Status on Hardware Components.

    • If yes, no further action is required.
    • If no, go to 2.

  2. Power off the server, open the chassis cover, and check whether the controller card is connected to a supercapacitor.

    • If yes, go to 4.
    • If no, go to 3.

  3. Install the supercapacitor based on the system configuration, and check whether the supercapacitor state is Optimal.

    • If yes, no further action is required.
    • If no, go to 6.

  4. Remove and install the supercapacitor and check whether the supercapacitor state is Optimal.

    • If yes, no further action is required.
    • If no, go to 5.

  5. Replace the supercapacitor, and check whether the supercapacitor state is Optimal and whether the fault is rectified.

    • If yes, no further action is required.
    • If no, go to 6.

  6. Contact Huawei technical support.
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Updated: 2019-11-01

Document ID: EDOC1000004186

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