Re: [openstack-dev] [cinder] [nova] Problem of Volume(in-use) Live Migration with ceph backend

2018-10-25 Thread Boxiang Zhu
Great, Jon. Thanks for your reply. I am looking forward to your report. Cheers, Boxiang On 10/23/2018 22:01,Jon Bernard wrote: * melanie witt wrote: On Mon, 22 Oct 2018 11:45:55 +0800 (GMT+08:00), Boxiang Zhu wrote: I created a new vm and a new volume with type 'ceph'[So that the v

Re: [openstack-dev] [cinder] [nova] Problem of Volume(in-use) Live Migration with ceph backend

2018-10-21 Thread Boxiang Zhu
ph to work between different Ceph Clusters. I wasn't aware, however, that the existing spec was limited to one Ceph cluster. So, that is good to know. I would recommend reaching out to Jon Bernard or Eric Harney for guidance on how to proceed. They work closely with the Ceph driver and c

Re: [openstack-dev] [cinder] [nova] Problem of Volume(in-use) Live Migration with ceph backend

2018-10-19 Thread Boxiang Zhu
[1] https://review.openstack.org/#/c/296150 [2] https://review.openstack.org/#/c/256091/23/cinder/volume/drivers/rbd.py [3] https://github.com/openstack/nova/blob/stable/rocky/nova/virt/libvirt/volume/net.py#L101 Cheers, Boxiang On 10/19/2018 22:39,melanie witt wrote: On Fri, 19 Oct 2018 11:33:52 +0800 (GMT+08:00

[openstack-dev] [cinder] [nova] Problem of Volume(in-use) Live Migration with ceph backend

2018-10-18 Thread Boxiang Zhu
Hi folks, When I use the LVM backend to create the volume, then attach it to a vm. I can migrate the volume(in-use) from one host to another. The nova libvirt will call the 'rebase' to finish it. But if using ceph backend, it raises exception 'Swap only supports host devices'. So now it do