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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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Creating RAID 50

Creating RAID 50

Scenarios

The PM8060 supports SAS/SATA HDDs and SSDs. Hard drives in one RAID array must be of the same type, but can have different capacities or be provided by different vendors.

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. Initialize member drives.

    Before being added to a RAID, a hard drive must be initialized. The procedure is as follows:

    1. In Figure 10-57, select Logical Device Configuration and press Enter.

      The Logical Device Configuration screen is displayed, as shown in Figure 10-105.

      Figure 10-105 Logical Device Configuration screen
    2. Select Initialize Drives and press Enter.

      The screen lists all hard drives, as shown in Figure 10-106.

      Figure 10-106 Hard drive list
    3. Select a hard drive and press Enter.

      The [X] symbol indicates that the hard drive is selected, as shown in Figure 10-107.

      Figure 10-107 Selecting hard drives
    4. Select SUBMIT and press Enter.

      An alarm dialog box is displayed.

      Initialization clears the data on the RAID member drives. Be cautious to perform this operation.

    5. Press Enter.

      The Initialization begins and lasts for about 10 seconds.

    6. Press any key to return to the screen shown in Figure 10-105.

  3. Select the member drives.

    1. Select Create Array and press Enter.

      The hard drive list is displayed, as shown in Figure 10-108.

      The [ ] symbol after a hard drive indicates that the hard drive is selectable.

      Figure 10-108 Hard drive list
    2. Select a hard drive that you want to add to the array and press Enter.

      Select member drives, as shown in Figure 10-109.

      The [X] symbol after a hard drive indicates that the hard drive is selected.

      Figure 10-109 Selecting the member drives
    3. Select PROCEED and press Enter.

      The array configuration main screen is displayed, as shown in Figure 10-110.

      Figure 10-110 Array configuration

  4. Configure array properties.

    1. Press Enter.

      The list of configurable RAID levels are displayed, as shown in Figure 10-111.

      Figure 10-111 Configuring the RAID Level
    2. Select RAID 50 and press Enter.
    3. Select PROCEED and press Enter.

      The array properties screen is displayed, as shown in Figure 10-112. Table 10-20 describes the parameters on the screen.

      Figure 10-112 Configuring array properties
      Table 10-20 Parameter description

      Parameter

      Description

      Array Label

      Indicates the array name.

      Stripe Size

      Indicates the stripe size (64 KB, 128 KB, 256 KB, 512 KB, or 1024 KB).

      When Array Type is RAID 1 or Volume, the value of this parameter cannot be changed.

      Array Size

      Indicates the array capacity.

      NOTE:

      This parameter is set to the maximum value by default. If multiple logical drives are to be created, manually set the array size.

      Array Size Selection

      Indicates the array capacity unit.

      Read Cache

      Enables or disables the cache function.

      Write Cache

      Indicates the write cache policy, which can be set as follows:

      • Enable Always: RAID write cache is still enabled in case of no capacitor protection, and data loss may be caused if a power failure occurs.
      NOTE:

      Exercise caution when selecting Enable Always.

      • Enable With Backup Unit: RAID write cache is disabled in case of no capacitor protection or in case that capacitor protection is not ready. This setting is recommended.
      • Disable: RAID write cache is always disabled.

      Create RAID via

      Specifies the actions performed after creating an array.

      • Quick Init and Skip Init can be performed for RAID 0, 1, and Volume. Quick Init allows you to quickly initialize the array data, and Skip Init allows you to recover the array and to set the RAID properties among different hard drives without clearing the data.
      • Besides Quick Init and Skip Init, Build, Verify, and Clear can also be performed for arrays with a redundancy function and allow you to initialize and clear the array data.
    4. Configure the array parameters according to Table 10-20.
    5. Select SUBMIT and press Enter.

      The system prompts that the array is created successfully.

    6. Press any key to return to the screen shown in Figure 10-105.

  5. (Optional) Create multiple logical drives.

    • This operation can be performed only when the array size is smaller than the maximum value.
    • A maximum of 64 logical drives can be created for each array.
    1. Repeat 2 to 4, as shown in Figure 10-105.

      You can create multiple logical drives based on the actual situation.

  6. Check the configuration result.

    1. On the screen shown in Figure 10-105, select Manage Array and press Enter.

      The array list is displayed.

    2. Select an array by pressing and and then Enter.

      The configuration information about the array is displayed.

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Updated: 2019-11-01

Document ID: EDOC1000004186

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