On 12/6/2017 2:11 AM, 李杰 wrote:
Hi,all
Now the boot from volume 's instance of rebuild operation has a
problem.For example,after the rebuild operation,the instance 's root
disk is not replace.
I found the reason is that when we use the "_build_resources" function
to prepare source,it obtains the block devices according to the previous
instance 's uuid and attaches them to instance.So boot from volume 's
instance of rebuild operation doesn't update data.
To solve it,I plan to use CLI 's "metadata" option,to increase a
key name "source_type".The "source_type" includes "snapshot" and
"image".We can judge from "source_type".If the "source_type" is
"snapshot",we can transform the given snapshot to a volume and attach
this volume to instance.If the "source_type" is "image",we don't handle it.
Can you give me some advice?Help in troubleshooting this issue
will be appreciated.
See: https://review.openstack.org/#/c/520660/
We just started disallowing rebuilding a volume-backed instance where
the image changes during the rebuild. We don't support it in the compute
service, as you've found out, so we're going to make it a fast failure
in the API.
--
Thanks,
Matt
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