Hello Shoham, We've tried to write and implement similar spec [1]. And someone have tried to implement it [2]. You can see comments in it.
[1] - https://review.openstack.org/#/c/234269/ [2] - https://review.openstack.org/#/c/259518/ On Thu, Feb 11, 2016 at 8:20 PM, Shoham Peller <shoham.pel...@stratoscale.com> wrote: > Thank you Andrea for your reply. > > I know this spec and it is indeed a viable solution. > However, I think allowing users to update the attachment detail, rather than > detach and re-attach a volume for every change is more robust and more > convenient. > > Also, IMHO it's a better user-experience if users can use a single API call > instead of detach API call, poll for the detachment, re-attach the volume, > and poll again for the attachment if they want to powerup the VM. > The bdm DB updating, can happen from nova-api, without IRC'ing a compute > node, and thus return only when the request has been completed fully. > > Don't you agree it's needed, even when detaching a boot volume is possible? > > Shoham > > On Thu, Feb 11, 2016 at 7:04 PM, Andrea Rosa <andrea.r...@hpe.com> wrote: >> >> Hi >> >> On 11/02/16 16:51, Shoham Peller wrote: >> > if the volume we want to update is the boot >> > volume, detaching to update the bdm, is not even possible. >> >> You might be interested in the approved spec [1] we have for Mitaka >> (ref. detach boot volume). >> Unfortunately the spec was not part of the high-priority list and it >> didn't get implemented but we are going to propose it again for Newton. >> >> Regards >> -- >> Andrea Rosa >> >> [1] >> >> http://specs.openstack.org/openstack/nova-specs/specs/mitaka/approved/detach-boot-volume.html >> >> __________________________________________________________________________ >> OpenStack Development Mailing List (not for usage questions) >> Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe >> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > > __________________________________________________________________________ > OpenStack Development Mailing List (not for usage questions) > Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > -- Kind regards, Andrey Pavlov. __________________________________________________________________________ OpenStack Development Mailing List (not for usage questions) Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev