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How to create a glance image from a running VM?

asked 2013-01-29 12:36:22 -0500

xionglingfeng gravatar image

Hi all, Here's a question on Openstack usage: How to update my glance image with new version of software? In Openstack, I can easily create a instance from a image, this image usually contains most softwares I will used. In this running instance, I have to store all my data outside of it because all data will lost when I shut it down. However, if I updated the softwares, I'd like to update the image in glance. I know it is impossible to modify a existing one, I just want to upload a new one. When the softwares are updated in VM, how could I create a glance image from that VM? I tried to invoke 'nova image-create', but I found it just dump the VM into a Volume and boot new VMs from that volumes which I absolutely don't want to see.

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answered 2013-02-09 02:28:18 -0500

zzs gravatar image

If I understood you question correctly, you can take the snapshot of the software updated VM.

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Asked: 2013-01-29 12:36:22 -0500

Seen: 160 times

Last updated: Feb 09 '13