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eSight V300R010C00 Operation Guide 07

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Typical Scenarios

Typical Scenarios

Describes typical scenarios.

Initially Configuring Storage Resources

Describes how to initially configure storage resources.

Context

In a new environment, you need to initially allocate storage device resources. You can batch create storage pools and LUNs to integrate the storage resources for future use.

Figure 10-28 shows the process for initial storage resource configuration.

Figure 10-28 Process for initial storage resource configuration

Procedure
  1. Before initially configuring storage resources, you need to plan the resources, including plan the capacity, number, and names of storage pools, storage tier capacity, and the capacity, number, and names of LUNs.

    This topic uses a fully-configured S6800T as an example. This storage system has 15 disk enclosures each containing 24 SAS disks. The total available capacity of the storage system is 40 TB.

    Disk domains must be created before you configure storage resources. The following describes two situations for creating disk domains:

    • Situation 1: Only one disk domain is required or no disk domain is required. In this situation, you do not need to create disk domains. Use the batch configuration function to configure resources.
    • Situation 2: Multiple disk domains (for example, four) are required. In this situation, create four disk domains on the storage devices and then use the batch configuration function to configure resources.

    Perform the following steps to complete batch configuration:

    • Create a storage pool configuration task.

      This task batch creates four storage pools Storage_001, Storage_002, Storage_003, and Storage_004. The capacity of each storage pool is 10 TB and the RAID policy is RAID 5 (4D+1P).

    • Create a LUN configuration task.

      This task batch creates a total of 400 LUNs, 100 LUNs for each storage pool. The capacity of each LUN is 100 GB. The LUNs are name from LUN_0001 to LUN_0400.

    Table 10-41 and Table 10-42 list the resource planning.

    The LUN names in each storage pool may vary in actual configuration.

    Table 10-41 Resource planning (situation 1)

    Disk Domain

    Storage Pool (10 TB), RAID 5 (4D+1P)

    LUN (100 GB)

    DiskDomain

    Storage_001

    LUN_0001 to LUN_0100

    Storage_002

    LUN_0101 to LUN_0200

    Storage_003

    LUN_0201 to LUN_0300

    Storage_004

    LUN_0301 to LUN_0400

    Table 10-42 Resource planning (situation 2)

    Disk Domain

    Storage Pool (10 TB), RAID 5 (4D+1P)

    LUN (100 GB)

    DiskDomain1

    Storage_001

    LUN_0001 to LUN_0100

    DiskDomain2

    Storage_002

    LUN_0101 to LUN_0200

    DiskDomain3

    Storage_003

    LUN_0201 to LUN_0300

    DiskDomain4

    Storage_004

    LUN_0301 to LUN_0400

  2. Create resource configuration tasks based on the planned data to batch create storage pools and LUNs.

    1. Go to the batch configuration page and set task names and description.
    2. Select Storage pool configurationas the configuration policy.
    3. Select devices where you want to execute the configuration tasks.
    4. Set configuration parameters.

    5. View the summary information and run task execution commands.
    NOTE:

    Click Execute. Note that a task being executed cannot be undone. If a storage pool failed to be created on a storage device, LUNs will not be created on the storage device, but LUN creation on the other devices till not be affected.

  3. After configuration tasks are executed, you can view the newly created storage pools and LUNs on the details page.

    Method:

    1. On the navigation bar, choose Resource > Storage Subnet.
    2. In the left navigation tree, select a storage type.
    3. Right-click a storage device in the device list.
    4. Choose Free Space > Storage Pools or Free Space > Unmapped LUNs.

Allocating Host Resources

Describes how to allocate host resources.

Context

When you need to allocate storage resources for a group of hosts, you can map a group of LUNs to this host group so that each host in the host group can have a LUN.

Figure 10-29 shows the process for allocating host resources.

Figure 10-29 Process for initial storage resource configuration
Procedure
  1. Before allocating host resources, plan the resources based on the host scale and resource usage and map LUNs to hosts.
  2. Check whether the storage resources meet the requirements of host resource allocation.

    Method:

    1. On the navigation bar, choose Resource > Storage Subnet.
    2. In the left navigation tree, select a storage type.
    3. Right-click a storage device in the device list.
    4. Choose Free Space > Storage Pools or Free Space > Unmapped LUNs.

  3. Batch create storage pools and LUNs based on the resource planning. For details, see Initially Configuring Storage Resources.
  4. Create a host mapping configuration task.

    For example, if you want to map 10 LUNs in resource pool Storage_001 to host123, perform the following steps:

    1. Create a configuration task and enter a name and description.
    2. Select Mapping configuration as the configuration policy.
    3. Select a storage device.
    4. Set configuration parameters.
    5. View the information summary and run the task execution command.

  5. After the configuration task is executed, you can view the mappings between LUNs and hosts.

    Method:

    1. On the navigation bar, choose Resource > Storage Subnet.
    2. In the left navigation tree, select a storage type.
    3. Right-click the storage device in the device list.
    4. Choose Resource > Mapping.

Batch Creating LUNs

Describes how to batch create LUNs.

Context

If you want to create LUNs in the existing storage resource pools, you can create a batch task to create LUNs on the specified storage pools.

Procedure
  1. You can view the available storage resource pools on the device details page.

    Method:

    1. On the navigation bar, choose Resource > Storage Subnet.
    2. In the left navigation tree, select a storage type.
    3. Right-click the storage device in the device list.
    4. Choose Free Space > Storage Pools.

  2. Create a configuration task and enter a name and description.
  3. Select LUN configuration as the configuration policy.
  4. Select a storage device.
  5. Set LUN configuration parameters.
  6. View the information summary and run the task execution command.
  7. After configuration tasks are executed, you can view the newly created LUNs on the details page.

    Method:

    1. On the navigation bar, choose Resource > Storage Subnet.
    2. In the left navigation tree, select a storage type.
    3. Click the device name in the storage device list.
    4. Choose Free Space > Unmapped LUNs.

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Updated: 2019-06-30

Document ID: EDOC1100044378

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