[ceph-users] Re: About image migration

2019-08-21 Thread Jason Dillaman
On Wed, Aug 21, 2019 at 8:35 PM Zaharo Bai (白战豪)-云数据中心集团 wrote: > > So, what is the current usage scenario for our online migration? I understand > that the current online migration of the community has not been truly online, > and the upper layer (iscsi target, openstack, etc.) must be

[ceph-users] Re: RBD, OpenStack Nova, libvirt, qemu-guest-agent, and FIFREEZE: is this working as intended?

2019-08-21 Thread Florian Haas
On 21/08/2019 18:05, dhils...@performair.com wrote: > Florian; > > Forgive my lack of knowledge of OpenStack, and your environment / use case. > > Why would you need / want to snapshot an ephemeral disk? Isn't the point of > ephemeral storage to not be persistent? Fair point, but please

[ceph-users] Re: RBD, OpenStack Nova, libvirt, qemu-guest-agent, and FIFREEZE: is this working as intended?

2019-08-21 Thread Jason Dillaman
On Wed, Aug 21, 2019 at 11:53 AM Jason Dillaman wrote: > > > > On Aug 21, 2019, at 11:41 AM, Florian Haas wrote: > > > > Hi Jason! Thanks for the quick reply. > > > > On 21/08/2019 16:51, Jason Dillaman wrote:> > >> It just looks like this was an oversight from the OpenStack developers > >> when

[ceph-users] Re: RBD, OpenStack Nova, libvirt, qemu-guest-agent, and FIFREEZE: is this working as intended?

2019-08-21 Thread DHilsbos
Florian; Forgive my lack of knowledge of OpenStack, and your environment / use case. Why would you need / want to snapshot an ephemeral disk? Isn't the point of ephemeral storage to not be persistent? Thank you, Dominic L. Hilsbos, MBA Director - Information Technology Perform Air

[ceph-users] Re: RBD, OpenStack Nova, libvirt, qemu-guest-agent, and FIFREEZE: is this working as intended?

2019-08-21 Thread Jason Dillaman
> On Aug 21, 2019, at 11:41 AM, Florian Haas wrote: > > Hi Jason! Thanks for the quick reply. > > On 21/08/2019 16:51, Jason Dillaman wrote:> >> It just looks like this was an oversight from the OpenStack developers >> when Nova RBD "direct" ephemeral image snapshot support was added [1]. >>

[ceph-users] Re: RBD, OpenStack Nova, libvirt, qemu-guest-agent, and FIFREEZE: is this working as intended?

2019-08-21 Thread Jason Dillaman
On Wed, Aug 21, 2019 at 9:34 AM Florian Haas wrote: > > Hi everyone, > > apologies in advance; this will be long. It's also been through a bunch > of edits and rewrites, so I don't know how well I'm expressing myself at > this stage — please holler if anything is unclear and I'll be happy to >

[ceph-users] RBD, OpenStack Nova, libvirt, qemu-guest-agent, and FIFREEZE: is this working as intended?

2019-08-21 Thread Florian Haas
Hi everyone, apologies in advance; this will be long. It's also been through a bunch of edits and rewrites, so I don't know how well I'm expressing myself at this stage — please holler if anything is unclear and I'll be happy to try to clarify. I am currently in the process of investigating the

[ceph-users] Re: About image migration

2019-08-21 Thread Jason Dillaman
On Tue, Aug 20, 2019 at 10:04 PM Zaharo Bai (白战豪)-云数据中心集团 wrote: > > Hi jason: > > I have a question I would like to ask you, Is the current image > migration and openstack adapted? according to my understanding, openstack’s > previous live-migration logic is implemented in cinder,