Open Stack

Hi,

I have an Essex cluster with 6 compute nodes and one control node, and it
worked fine in the past several months. Last week, since someone deleted an
instance in a project, no new instance can be launched in that project.

When create a new instance in the project, it displays:
*Error: *An error occurred. Please try again.

the following error info will come up in the file nova-api.log:
2012-08-28 19:14:23 ERROR nova.api.openstack
[req-6fb211c1-60cf-4a69-83e1-f9e7da30b458 6023cea36f784448b667922894ca7102
afdee06258774b2d9e768c08b62dbbf2] Caught error: Remote error:
InstanceNotFound Instance 603 could not be found.

Here is the info of nova-api.log :
http://pastebin.com/evuDMdrU
.

Actually this instance with id 603 has been deleted, it's very strange.
Does anyone has any idea about this issue?

By the way, if an existing instance in another project is terminated, the
same problem occurs in that project.

Thanks ahead,
Sam
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