Re: [Openstack] Benefits for moving live migration/resize/code migration/provision to conductor

2013-06-02 Thread Lau Jay
@lists.launchpad.net Date:01/06/2013 06:19 PM Subject:Re: [Openstack] Benefits for moving live migration/resize/code migration/provision to conductor Sent by:Openstack openstack-bounces+glikson= il.ibm@lists.launchpad.net -- Hi Michael

Re: [Openstack] Benefits for moving live migration/resize/code migration/provision to conductor

2013-06-01 Thread Michael Still
IIRC the discussion from the summit, there was concern about compute nodes talking directly to each other. The way live migration works in libvirt is that the libvirt on one node opens up a connection to the other and then streams the instance across. If this is bounced off a conductor, then it

Re: [Openstack] Benefits for moving live migration/resize/code migration/provision to conductor

2013-06-01 Thread Lau Jay
Thanks Michael for the answer, just want to dig more. From your answer, it seems that we do not want libvirt on one node opens up a connection to the other, but from the Gerrit code diff, I did not notice any change on nova compute, but only move the logic of live migraiton/resize/code migration

Re: [Openstack] Benefits for moving live migration/resize/code migration/provision to conductor

2013-06-01 Thread Lau Jay
Hi Michael and other Stackers, Sorry one more question, for provision VM instance, there is no interaction between compute nodes, why also move provision logic to conductor? Thanks, Jay 2013/6/1 Lau Jay jay.lau@gmail.com Thanks Michael for the answer, just want to dig more. From your

Re: [Openstack] Benefits for moving live migration/resize/code migration/provision to conductor

2013-06-01 Thread Alex Glikson
From: Lau Jay jay.lau@gmail.com To: Michael Still mi...@stillhq.com, Cc: OpenStack general mailing list openstack@lists.launchpad.net Date: 01/06/2013 06:19 PM Subject:Re: [Openstack] Benefits for moving live migration/resize/code migration/provision to conductor Sent