I'm with you on that one. Especially with current crop of huge disks. Volume groups should be resources which you carve up into logical volumes. Personally,

I'm with you on that one. Especially with current crop of huge disks. Volume groups should be resources which you carve up into logical volumes. Personally, I prefer to assign a separate LV to each application, DB tablespace. I also configure LVs to the current requirements and grow them as required. Have never seen a system that grows the way you expect it to. With LVs you can also move things around without disrupting things. I often move running databases from JBOD to SAN using LV mirroring.