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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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Automatically Creating a RAID Array

Automatically Creating a RAID Array

Scenarios

You can automatically create a RAID array if you do not know much about RAID or have no special requirement on RAID levels, or the storage environment is simple.

  • Data on a hard drive will be deleted after the hard drive is added to a RAID array. Before creating a RAID array, check that there is no data on hard drives or the data on hard drives is not required. If the hard disk data needs to be retained, back up the data first.
  • An automatically created RAID array may not meet your requirements. Pay attention to the properties of the automatically created RAID array.

Workflow

Procedure

  1. Back up data on hard drives and access the Configuration Utility main screen. For details, see Logging In to the Configuration Utility.
  2. Select the RAID array configuration mode.

    1. On the Configuration Utility main screen, click Configuration Wizard in the navigation tree.

      The Configuration Wizard screen is displayed.

      Figure 4-120 Configuration Wizard screen

      The Configuration Wizard screen provides the following configuration types:

      • Clear Configuration: clears the existing RAID configuration.
      • New Configuration: clears the existing RAID configuration and creates a RAID array.
      • Add Configuration: adds new drives to the existing configuration. The procedure for adding drives is the same as you add drives when creating a RAID array. This parameter is not displayed if no hard drives are available for creating a RAID array.

      Exercise caution when selecting New Configuration. If you select New Configuration, the existing configuration of the selected physical drives will be deleted. Add Configuration is recommended if you want to create a RAID array.

    2. Select Add Configuration and click Next.

      The Confirm Page screen is displayed.

    3. Click Yes.

      The Select Configuration Method screen is displayed.

      Figure 4-121 Select Configuration Method screen

      Table 4-30 describes the parameters on the screen.

      Table 4-30 Parameters on Select Configuration Method

      Parameter

      Description

      Manual Configuration

      Allows users to control all storage attributes and set parameters.

      Automatic Configuration

      Automatically creates an optimal RAID configuration.

      • Redundancy: specifies whether to enable the redundancy function.
        • Redundancy when possible: The system automatically configures the existing hard drives as a RAID array with redundancy when possible.
        • If two hard drives exist, the system automatically configures them as a RAID 1 array.
        • If three or more hard drives exist, the system automatically configures them as a RAID 5 or 6 array.
        • The system does not support automatic configuration of RAID 10, 50, or 60.
        • No Redundancy: The system automatically configures existing hard drives as a RAID 0 array, that is the array without redundancy.

          Default value: Redundancy when possible

      • Data Protection: specifies whether to enable data protection, which is an advanced feature of RAID controller cards. A unique key for each member hard drive is used to encrypt data by supported hard drives. Such data cannot be accessed from removed hard drives without the key. This setting is valid only for hard drives that support data encryption.
        • Disabled
        • Enabled

          Default value: Disabled

    4. Select Automatic Configuration, and click Next.

      The Configuration Preview screen is displayed.

      Figure 4-122 Configuration Preview screen

    5. Click Accept.
    6. The "Save this Configuration" message is displayed.

  3. Initialize virtual drives.

    1. Click Yes.

      The system displays "All data on the new Virtual Drives will be lost. Want to Initialize?"

      Initializing virtual drives will damage data on the virtual drives. If the original data on the hard drives needs to be retained, select No.

    2. Click Yes.

      RAID initialization starts.

      After the initialization, Optimal is displayed in the Virtual Drives pane.

      Figure 4-123 Virtual drive status

  4. Check the configuration result.

    1. Click Home in the lower left corner.
    2. The Configuration Utility main screen is displayed. The configured RAID information is displayed in the Logical View area.
      Figure 4-124 Automatically configured RAID information

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Updated: 2019-11-01

Document ID: EDOC1000004186

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