[Openstack] Image Resizing

Bob Ball bob.ball at citrix.com
Thu Sep 12 23:57:54 UTC 2013


The resizing code depends on things like a single partition, and the type of partition - see https://github.com/openstack/nova/blob/master/nova/virt/xenapi/vm_utils.py#L2042

I assume that the CentOS / Fedora images you are talking about uses a different base filesystem.

The other requirement is that auto_disk_config needs to be set on the image (see https://github.com/openstack/nova/blob/master/nova/virt/xenapi/vm_utils.py#L803)



From: Qin Jia [jiaqin1017 at gmail.com]
Sent: 12 September 2013 20:22
To: openstack at lists.openstack.org
Subject: [Openstack] Image Resizing


I have deployed an openstack on top of xenserver. I downloaded the centos / fedora images from Rackspace Cloud Builders Images (https://github.com/rackerjoe/oz-image-build). Converted it to vhd format and uploaded to the openstack with "glance image-create". However, I find that the VMs started from the image will have the same size although I assigned different flavors.

I tried other official images (ubuntu and fedora) and resizing works well. I would like to ask how could I get a resizable centos image?

Qin Jia
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