> The volume group concept is for grouping the *disks*, so you can treat > a group of disks with similar properties as a > interchangeable. So it makes more sense to have volume groups for > e.g. "15krpm" and "SSD". Or you can just have one big volume group, > which makes disk upgrades seamless. And remember that when you create a logical volume, you can specify which physical volumes you want it to be created on, out of that volume group. So even with one big VG you don't lose the flexibility to assign different logical volumes to different physical disks. Regards, Brian. |