Re: [openstack-dev] [nova] About availability zones

2015-10-12 Thread Lingxian Kong
Hi, Sylvain Nova guys, Our team has also argued about this deeply, and no consensus was reached. if instance.az is designed just for a reflect of the instance at boot time, then it doesn't make any sense after the vm is live-migrated with specified destination for several times, right? Then, how

Re: [openstack-dev] [nova] About availability zones

2015-09-23 Thread Feodor Tersin
Hi. Currently, when performing live-migration the AZ of the instance didn't update. In usecase like this:Instance_1 is in host1 which is in az1, we live-migrate it to host2 (provide host2 in API request) which is in az2. The operation will secusess but the availability zone data stored in

Re: [openstack-dev] [nova] About availability zones

2015-09-23 Thread Zhenyu Zheng
Hi, Thanks for the reply, one possible usecase is that user wants to live-migrate to az2 so he specified host2. As we didn't update the instance.az, if the user live-migrate again without specifiying destination host, the instance will migrate to az1 again, this might be different as the user

Re: [openstack-dev] [nova] About availability zones

2015-09-23 Thread Sylvain Bauza
Le 23/09/2015 08:56, Feodor Tersin a écrit : Hi. /Currently, when performing live-migration the AZ of the instance didn't update. In usecase like this:/ /Instance_1 is in host1 which is in az1, we live-migrate it to host2 (provide host2 in API request) which is in az2. The

Re: [openstack-dev] [nova] About availability zones

2015-09-23 Thread Sylvain Bauza
Le 23/09/2015 05:24, Zhenyu Zheng a écrit : Hi, all I have a question about availability zones when performing live-migration. Currently, when performing live-migration the AZ of the instance didn't update. In usecase like this: Instance_1 is in host1 which is in az1, we live-migrate it to

[openstack-dev] [nova] About availability zones

2015-09-22 Thread Zhenyu Zheng
Hi, all I have a question about availability zones when performing live-migration. Currently, when performing live-migration the AZ of the instance didn't update. In usecase like this: Instance_1 is in host1 which is in az1, we live-migrate it to host2 (provide host2 in API request) which is in