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Chapter 7. Managing logical volumes using Cockpit

7.1. Activating a logical volume using Cockpit
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Follow these instructions to activate a logical volume 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 logical volume.
  5. Click Activate.

7.2. Creating a thinly provisioned logical volume using Cockpit
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  1. Log in to Cockpit.
  2. Click the hostname Storage.
  3. Click the volume group. The Volume Group Overview page opens.

  4. Click Create Thin Volume beside the thin pool that should host the volume.

    Figure 7.1. A thin pool

    A thin pool with the create thin volume button visible

    The Create Thin Volume window opens.

    1. Specify a Name for the new volume.
    2. Specify a Size for the new volume.
    3. Click Create.

The new volume appears in the list of logical volumes.

7.3. Creating a thickly provisioned logical volume using Cockpit
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Follow these instructions to create a logical thin pool 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 + Create new Logical Volume. The Create Logical Volume window opens.

    Figure 7.2. The Create Logical Volume window

    The create logical volume window
    1. Specify a Name for your logical volume.
    2. Set Purpose to Block device for file systems.
    3. Specify a Size for your logical volume.
    4. Click Create.

Your new logical volume appears in the list of logical volumes in this volume group.

7.4. Deactivating a logical volume using Cockpit
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Follow these instructions to deactivate a logical volume 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 logical volume.

  5. Click Deactivate.

    Figure 7.3. The logical volume summary

    The logical volume summary with the Deactivate button showing

7.5. Deleting a logical volume using Cockpit
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Follow these instructions to delete a thinly- or thickly-provisioned logical volume.

  1. Log in to Cockpit.
  2. Click the hostname Storage.
  3. Click the volume group. The Volume Group Overview page opens.
  4. Click the logical volume.
  5. Click Delete in the logical volume summary.
  6. Click Delete to confirm deletion.

7.6. Growing a logical volume using Cockpit
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Follow these instructions to increase the size of a logical volume 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 logical volume.

  5. On the Volume subtab, click Grow.

    Figure 7.4. Logical Volume section expanded

    The Logical Volume section expanded to show the grow button

    The Grow Logical Volume window opens.

    Figure 7.5. The Grow Logical Volume window

    The Grow logical volume window
    1. Specify the new Size of the logical volume.
    2. Click Grow.
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