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Basic Storage Service Configuration Guide for Block

OceanStor Dorado V3 Series V300R002

This document is applicable to OceanStor Dorado3000 V3, Dorado5000 V3, Dorado6000 V3, and Dorado18000 V3. It describes the basic storage services and explains how to configure and manage them.
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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).
Creating a Host Group

Creating a Host Group

To allow hosts to use LUNs, you must add hosts into host groups and establish mapping views between the LUN groups and host groups. A host group can contain one or more hosts.

Context

Hosts in a host group can run different operating systems.

Procedure

  1. Choose Provisioning > Host > Host Group.
  2. Click Create.

    The Create Host Group dialog box is displayed.

  3. Set parameters of the host group.

    Table 4-20 describes the related parameters.
    Table 4-20 Host group parameters

    Parameter

    Description

    Setting

    Name

    Name of a host group.

    [Value range]

    • The name must be unique.
    • The name can contain only letters, digits, periods (.), underscores (_), and hyphens (-).
    • The name must contain 1 to 31 characters.

    [Example]

    HostGroup001

    Description

    Description of a host group.

    [Example]

    -

  4. Select the hosts you want to add to the host group.

    1. In the Available Hosts area, select one or more hosts based on service requirements.

      If hosts to be added into the host group belong to different clusters, data access conflicts may occur, resulting in data loss. Before performing this operation, you are advised to install cluster software to manage hosts.

      NOTE:

      By default, Shows only the hosts that do not belong to any host group at the bottom left corner of the dialog box is selected to facilitate host locating.

    2. Click to add the hosts to the Selected Hosts area.

  5. (Optional) Create a host and add it to a host group.

    1. Click Manually Create.

      The Create Host dialog box is displayed.

    2. Set basic information for the host.

      Table 4-21 describes the related parameters.

      Table 4-21 Host parameters

      Parameter

      Description

      Setting

      Name

      Name of a host.

      [Value range]

      • The name must be unique.
      • The name can contain only letters, digits, periods (.), underscores (_), and hyphens (-).
      • The name must contain 1 to 31 characters.

      [Example]

      Host001

      Description

      Description of a host.

      [Example]

      -

      OS

      Operating system used by a host.

      NOTE:

      The operating system must be the same as that of the application server connected to the storage system.

      [Value range]

      Possible values are Linux, Windows, Windows Server 2012, Solaris, HP-UX, AIX, XenServer, Mac OS, VMware ESX, Oracle VM, and OpenVMS.

      NOTE:

      If the host runs the Windows operating system and you need to use the space reclaiming function of thin LUNs, select Windows Server 2012.

      [Example]

      VMware ESX

      IP Address

      IP address of a host.

      [Example]

      192.168.1.100

      NOTE:

      If the host is connected through iSCSI links, enter the service IP address of the host for further management and search.

      Device Location

      Location of a host.

      [Example]

      Chengdu

    3. Configure an initiator for the host.
      1. In the Available Initiators area, select Initiator Type based on your service needs.
      2. In the initiator list, select one or more initiators.
      3. Click to add the initiator to the Selected Initiators area.
      NOTE:
      • If the initiator information has been configured on the application server, DeviceManager can automatically detect the configured initiator, and you do not need to create initiators manually. Do not add initiators on different application servers to a same host. Create an initiator if none is available in the list.
      • If the host operating system is HP-UX, create an initiator manually.
      • If CHAP authentication is not enabled, click Properties. In the Initiator Properties dialog box that is displayed, configure the CHAP authentication parameters.
      • If CHAP authentication has been enabled and you want to change the CHAP authentication password, click Properties. In the Initiator Properties dialog box that is displayed, change the CHAP authentication password. When you change the CHAP authentication password, you need to enter the old password.
      • The CHAP authentication user name and password configured on the storage system must be the same as those configured on the application server. After changing the CHAP authentication password on the storage system, you need to use the new password to configure CHAP authentication again on the application server.
      • You are advised not to map a LUN to the same host using different types of initiators.
    4. Click OK.

      The Execution Result dialog box is displayed, indicating that the operation is successful.

    5. Click Close.

  6. Confirm the creation of the host group.

    1. Click OK.
      The security alert dialog box is displayed, indicating that the operation is successful.
      NOTE:

      The Execution Result dialog box is displayed if you click OK when only one host is selected.

    2. Click OK.

      The Execution Result dialog box is displayed, indicating that the operation is successful.

    3. Click Close.

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Updated: 2019-07-17

Document ID: EDOC1100049139

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