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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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Viewing LUN Information

Viewing LUN Information

This operation enables you to view the information about all the LUNs on a storage system.

Prerequisites

At least one LUN has been created.

Procedure

  1. Choose Provisioning > LUN.
  2. View information about the LUNs in the list.

    Table 5-9 describes the related parameters.
    Table 5-9 LUN parameters

    Parameter

    Description

    Setting

    Name

    Name of a LUN.

    [Example]

    LUN001

    ID

    ID of a LUN.

    [Example]

    1

    Health Status

    Health status of a LUN.

    [Example]

    Normal

    Running Status

    Running status of a LUN.

    [Example]

    Online

    Use Type

    Use type of a LUN. The use types include:

    • Internal: common LUN created on a local storage device.
    • External: eDevLUN created for taking over a remote LUN.
    • PE LUN: a LUN created for a VVol LUN in VMware software defined storage only. PE LUNs function as I/O demultiplexers to simplify the connection between VMs and VVol LUNs. VM I/Os are sent to the corresponding VVol LUN through a PE LUN.
    • NAS LUN: A LUN used by a Dorado NAS unit.
      NOTE:
      • This parameter applies to V300R002C10 and later versions.
      • Some device models do not support NAS LUN. For details about device models that support this feature, see the product description specific to your product model.
    • VVol LUN: provides storage space for VMware VMs.

    [Example]

    Internal

    Capacity

    Capacity of a LUN.

    [Example]

    1.000 GB

    Sectors

    Number of the sectors in a LUN.

    [Example]

    2097152

    Allocated Capacity

    Capacity allocated to a LUN. The capacity includes the data capacity and metadata capacity, but does not include the data protection capacity.

    [Example]

    1.187 GB

    Owning Storage Pool

    Storage pool to which a LUN belongs.

    [Example]

    StoragePool001

    Mapping

    Mapping status of a LUN, indicating whether a LUN is mapped to a host or not.

    [Example]

    Unmapped

    Data Protection

    Data protection method of a LUN.

    [Example]

    Application Type

    Type of service on a LUN.

    [Example]

    Virtual_Desktop_Infrastructure

    WWN

    WWN of a LUN.

    [Example]

    60022a1100037eca45ae3b6100000019

    Remote WWN

    WWN of a remote LUN.

    [Example]

    Takeover LUN WWN

    WWN of the eDevLUN after takeover.

    [Example]

    Owning Controller

    Controller that owns the LUN.

    [Example]

    CTE0.A

    Masquerading Status

    Masquerading status can be:

    • No Masquerading
    • Inherited Masquerading

      Applies to local LUNs, used for inheriting remote LUN information such as the VID, PID, and SCSI protocol version.

    • Basic Masquerading

      Applies to eDevLUNs, used for replacing the basic LUN information such as the VID, PID, and LUN WWN.

    • Extended Masquerading

      Applies to eDevLUNs, used for replacing the basic LUN information and extended LUN information such as the SCSI protocol version, owning controller, and working controller.

    • Third-party

      Applies to eDevLUNs, used for taking over heterogeneous storage systems from third-party vendors online. (Some product models may not support this type.)

    [Example]

    No Masquerading

    Working Controller

    Working controller of a LUN, which is the only controller that processes read/write requests on the LUN. If hosts send I/Os to a non-working controller, the I/Os are forwarded to the working controller for processing.

    [Example]

    CTE0.A

    Data Protection Capacity

    Capacity of data protected in a LUN.

    NOTE:

    For example, if snapshots are created for LUNs, the storage space occupied by these snapshots after they are activated is the data protection capacity.

    [Example]

    1.024 MB

    Clone

    Indicates whether a LUN is a clone LUN.

    [Example]

    Yes

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Updated: 2019-07-17

Document ID: EDOC1100049139

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