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OceanStor 2200 V3 and 2600 V3 Storage System V300R005 SmartVirtualization Feature Guide 07

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Automatically Scanning for a LUN

Automatically Scanning for a LUN

If another external LUN is mapped from the heterogeneous storage system to the local storage system, or an external LUN mapped to the local storage system is deleted from the heterogeneous storage system, or the configuration of an external LUN is changed, you can update LUN mapping relationships or synchronize the statuses of remote LUNs by scanning for LUNs.

Prerequisites

  • A heterogeneous storage device has mapped its LUNs to the local storage device.

  • A heterogeneous storage device has been added.

  • Automatic scan is applicable only to heterogeneous storage devices.

Context

Automatic scan can be performed based on a storage device or a link between storage devices.
  • Based on a storage device: Automatically scanning the selected storage device, the system displays the information of LUNs mapped by the selected storage device to the local storage device and the information of links between storage devices.
  • Based on a link: Automatically scanning the selected link of storage device, the system displays the information of LUNs mapped by the selected storage device to the local storage device through this link.

Procedure

  1. Log in to DeviceManager.
  2. Choose Data Protection > Remote Device.
  3. Choose a remote device that you want to scan for LUNs automatically.
    • If the automatic scanning is based on storage device, follow the steps below:
      1. Click Automatic Scan above the device list.

        The Confirm dialog box is displayed, prompting that the scan may take tens of seconds.

      2. Click OK to perform automatic scanning.

        The Automatic LUN Scan dialog box is displayed. The system starts automatic scanning. The LUNs mapped by the remote device are displayed on the Remote LUN tab page. The links between storage devices are displayed in FC link tab or iSCSI link tab.

      3. Click Close to finish automatic scanning.
    • If the automatic scanning is based on link between storage devices, follow the steps below:
      1. Click FC link tab or iSCSI link tab, select the link that you want to scan LUNs automatically and click Automatic Scan above the link list.

        The Confirm dialog box is displayed, prompting that the scan may take tens of seconds.

      2. Click OK to perform automatic scanning operation.

        The Automatic LUN Scan dialog box is displayed. The system starts automatic scanning. The LUNs mapped by the remote device through the selected link are displayed in Remote LUN tab.

      3. Click Close to finish automatic scanning.
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Updated: 2018-12-29

Document ID: EDOC1000106155

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