On Sat, Apr 30, 2011 at 1:27 AM, John R Pierce <pierce at hogranch.com> wrote: > On 04/29/11 3:05 PM, Peter Peltonen wrote: >> I have a centos 5.6 server that has xen domUs installed on their on >> logical volumes. These logical volumes contain their own volume groups >> and again their own logical volumes. I want to >> ... > > > ugh, and double ugh. this violates the KISS 'keep it super simple' > principle, and I can only see the extra layers of complexity leading to > more frustration. > > I would instead run LVM only on dom0, and have your domU's creating file > systems directly on the virtual devices mapped to said LVs. if you > need to grow a file system, you resize the LV from dom0, and then growfs > in the domU I agree and the newer domUs I have created do not use LVM. This was one of the first domUs I created with virt-manager and when installing the OS I just clicked my way through the CentOS installation like I usually do, and that meant using LVM. And I don't think you are even given an option to define the default vg name during the installation? Regards, Peter