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Chapter 5. Managing volume groups using Cockpit

5.1. Creating a volume group using Cockpit
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  1. Log in to Cockpit.
  2. Click the hostname Storage.

  3. Click the + button beside Volume Groups.

    Figure 5.1. Volume Groups section

    The Volume Groups section on the Storage Dashboard

    The Create Volume Group window opens.

    1. Specify a Name for the volume group.
    2. Check the Disks to use for the volume group.
    3. Click Create.

Follow these instructions to expand a volume group using Cockpit.

  1. Log in to Cockpit.
  2. Click the hostname Storage.
  3. Click the volume group. The Volume Group Overview page opens.

  4. Click the + button beside Physical Volumes.

    Figure 5.2. Physical Volumes

    Physical Volumes on the Volume Group Overview page

    The Add Disks window opens.

    1. Check the Disks you want to add to the volume group.
    2. Click Add.

The capacity of the volume group is extended automatically.

Now that you’ve added new storage to the volume group, you may want to grow your thin pool or grow your logical volume.

5.3. Renaming a volume group using Cockpit
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Follow these instructions to rename a volume group using Cockpit.

  1. Log in to Cockpit.
  2. Click the hostname Storage.
  3. Click the volume group. The Volume Group Overview page opens.

  4. Click Rename.

    Figure 5.3. Volume group summary

    The volume group summary showing the rename and delete buttons

    The Rename Volume Group window opens. .. Specify a new Name. .. Click Rename.

The volume group is renamed, and the change is propagated to all logical volumes in the volume group. This does not affect the naming of thin pools.

5.4. Deleting a volume group using Cockpit
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Follow these instructions to delete a volume group using Cockpit.

  1. Log in to Cockpit.
  2. Click the hostname Storage.
  3. Click the volume group. The Volume Group Overview page opens.

  4. In the Volume Group summary, click Delete.

    Figure 5.4. Volume group summary

    The volume group summary showing the rename and delete buttons

    The confirmation window opens.

  5. Click Delete to confirm deletion.
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