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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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Discarding Preserved Cache

Discarding Preserved Cache


If a RAID array fails, discard preserved cache before logging in to the Configuration Utility again.

Impact on the System

Configuration information of the failed RAID array is cleared when the preserved cache is discarded.


  1. Access the Configuration Utility main screen. For details, see Logging In to the Configuration Utility.
  2. In the window shown in Figure 4-170, select the RAID controller card whose preserved cache is to be discarded and click Discard Cache.

    A confirmation dialog box is displayed, as shown in Figure 4-171.

    Figure 4-170 Discarding preserved cache
    Figure 4-171 Confirmation dialog box

    Clearing preserved cache will also delete offline virtual drives. Exercise caution when you perform this operation.

  3. Select YES and click Enter.

    No further operation is required.

    If the preserved cache still exists, see Failed to Clear Preserved Cache.

Updated: 2019-11-01

Document ID: EDOC1000004186

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