Open Stack

Hi All


My openstack all-in-one environment is setup by devstack. I created a server-group with anti-affinity policy. 
Then an instance was created with this server-group successfully with command[1]. Another instance was also 
created with this server-group and with force_host successfully with command[2]. But if I did not specify the 
force_host, the instance failed to create[3].


I think the second instance had broken the anti-affinity server-group.


So my question is that whether the result is within design scope or it is a issue and needs to be discussed : )


[1] nova boot <instance-name> --flavor <flavor> --image <image> --availability-zone <az> --security-groups <sec-group> --nic net-id=<net-id> --hint group=<server-group>
[2] nova boot <instance-name> --flavor <flavor> --image <image> --availability-zone <az>:<host> --security-groups <sec-group> --nic net-id=<net-id> --hint group=<server-group>
[3] nova boot <instance-name> --flavor <flavor> --image <image> --availability-zone <az> --security-groups <sec-group> --nic net-id=<net-id> --hint group=<server-group>




Best Regards
Boxiang
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