> My understanding is that automatic resize will occur if the following are > all true: > * auto_disk_config=True is set as a property on the image in the Image > Registry. > * The disk on the image has only one partition. > * The file system on the one partition is ext3 or ext4. >
I think Xen provides some extra help in this area by doing the resize itself (I *think*). KVM defers the job to the user. There was a long discussion on the openstack-operators list about building CentOS images: http://www.gossamer-threads.com/lists/openstack/operators/25790 The td;dr version would be this post where I link to some scripts that are able to build a complete CentOS image that resizes as you would expect: http://www.gossamer-threads.com/lists/openstack/operators/28733#28733 Hope that helps, Joe -- Joe Topjian Systems Architect Cybera Inc. www.cybera.ca Cybera is a not-for-profit organization that works to spur and support innovation, for the economic benefit of Alberta, through the use of cyberinfrastructure.
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