The KVM host server is running CentOS 6.5 and a LVM volume group "storage_pool" is used as the main storage pool for KVM.
An Ubuntu guest is installed using an ext4 filesystem and mounts the whole /dev/vda1 as /. This is the guest disk configuration:
<disk type='block' device='disk'> <driver name='qemu' type='raw' cache='none' io='native'/> <source dev='/dev/storage_pool/kvmguest.img'/> <target dev='vda' bus='virtio'/> <alias name='virtio-disk0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/> </disk>
What would be the best approach to increase the guest disk size? The VG has a lot of free space.
I have found some examples but most use LVM inside the guests as well, or weren't completely applicable. As far as I understand, the common method is to create a larger LV in the same VG, shutdown the guest, transfer the data, edit the configuration to use the new LV?
Thanks in advance for any suggestions or pointers