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4.3.11. Cómo combinar grupos de volúmenes

Two combine two volume groups into a single volume group, use the vgmerge command. You can merge an inactive "source" volume with an active or an inactive "destination" volume if the physical extent sizes of the volume are equal and the physical and logical volume summaries of both volume groups fit into the destination volume groups limits.
El siguiente comando fusiona el grupo de volumen inactivo my_vg en el grupo de volumen activo o inactivo databases dando información de ejecución verbosa.
vgmerge -v databases my_vg