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eSight V300R010C00SPC200, 300, and 500 Operation Guide 09

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Reclaiming Resources

Reclaiming Resources

The storage system allows allocated storage LUN resources to be reclaimed. Two reclamation policies are available: For LUNs that have been mapped to hosts, remove the mapping and delete the LUNs. For LUNs that have not been mapped to any host, directly delete the LUNs.

Procedure

  1. On the menu bar, choose Resource > Storage Subnet.

  2. In the navigation tree, choose Storage Resources Allocation > Resource Reclaiming.
  3. Enter a name and a description for the task.

    Example:

    Name: recovery_LUN

    Description: reclaiming of storage resources

  4. Select a reclaiming policy.

    • Unmapping: Unmap LUNs from the host.
      1. If you want to unmap and delete LUNs, select Delete Unmapped LUNs in More Operation.
      2. After all LUNs mapped to the logical host are unmapped, you can select Delete Logical Host in More Operation to delete the logical host.
      3. After all hosts of a host group are deleted, you can select Delete Host Group in More Operation to delete the host group.
    NOTE:

    If all the LUN mappings in a LUN group are removed, the LUN group is renamed. The renaming rule is to suffix the LUN group name with _DEL. For example, if the name of a LNU group is LUNGroup_001, the LUN group is renamed as LUNGroup_001_DEL.

    • Deleting unmapped LUNs: For LUNs that have not been mapped to any host, directly delete the LUNs.

  5. Click Add.

    The Add LUN dialog box is displayed.

  6. Click the name of a storage device.

    LUNs on the selected storage device are displayed in the right area.

  7. Select the LUNs that you want to delete.

    You can search for LUNs that you want to delete by LUN name, Type, Capacity, Owning Storage Pool, Block Device Name, and Owning Device.

  8. Click OK.
  9. Select the LUNs that you want to delete.
  10. Click OK.

    The resource reclaiming task starts.

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Updated: 2019-09-12

Document ID: EDOC1100044378

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