[Openstack] Server resize API in OpenStack ESSEX

Narayanan, Krishnaprasad narayana at uni-mainz.de
Mon Dec 10 19:12:21 UTC 2012

Hi Vish,

Thanks for the quick reply. I have passwordless ssh between the compute hosts but could you explain me the first option. When I resize, will the instance redeploy on a different compute node?

Do I need to specify this flag allow_resize_to_same_host=true in nova.conf of the compute node?


From: Vishvananda Ishaya [mailto:vishvananda at gmail.com]
Sent: Montag, 10. Dezember 2012 20:03
To: Narayanan, Krishnaprasad
Cc: openstack at lists.launchpad.net
Subject: Re: [Openstack] Server resize API in OpenStack ESSEX

2 requirements:

1) hostname for compute hosts resolve properly
2) passwordless ssh works between compute hosts.


On Dec 10, 2012, at 10:37 AM, "Narayanan, Krishnaprasad" <narayana at uni-mainz.de<mailto:narayana at uni-mainz.de>> wrote:

Hallo All,

I am trying to use the Nova API (POST call) for changing the flavor information (to resize) from m1.tiny to m1.medium. Even though the API is successful (202 Status code), on the Horizon GUI I could see that the Status is Error and the task state is Resize Prep. I am passing the Auth Token along with the Body information in the form of json as inputs to the API. I have referred this URI<http://docs.openstack.org/api/openstack-compute/programmer/content/resizing-servers.html> for passing the body information.

I am using OpenStack ESSEX and can I get to know is there any configurations that I need to do in order to get this working?

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