----- Original Message ----- > From: "Wuhongning" <wuhongn...@huawei.com> > To: "OpenStack Development Mailing List (not for usage questions)" > <openstack-dev@lists.openstack.org> > > +1, the hint should be persistent as other server instance metadata.
I don't think there is much disagreement that it makes sense to do this, but more how/where to do so. You can refer to the comments in the review Jay linekd for more background: https://review.openstack.org/#/c/88983/17/specs/juno/persist-scheduler-hints.rst > ________________________________ > From: Alex Xu [sou...@gmail.com] > Sent: Wednesday, October 29, 2014 9:11 PM > To: OpenStack Development Mailing List (not for usage questions) > Subject: Re: [openstack-dev] [Nova] Add scheduler-hints when > migration/rebuild/evacuate > > > > 2014-10-29 13:42 GMT+08:00 Chen CH Ji > <jiche...@cn.ibm.com<mailto:jiche...@cn.ibm.com>>: > > Yes, I remember that spec might talk about local storage (in local db?) and > it can be the root cause > > And I think we need persistent storage otherwise the scheduler hints can't > survive in some conditions such as system reboot or upgrade ? > > > Yeah, that's problem. And I have talk with Jay Lau, look like there already > got agreement on persistent it. > > > Best Regards! > > Kevin (Chen) Ji 纪 晨 > > Engineer, zVM Development, CSTL > Notes: Chen CH Ji/China/IBM@IBMCN Internet: > jiche...@cn.ibm.com<mailto:jiche...@cn.ibm.com> > Phone: +86-10-82454158<tel:%2B86-10-82454158> > Address: 3/F Ring Building, ZhongGuanCun Software Park, Haidian District, > Beijing 100193, PRC > > [Inactive hide details for Alex Xu ---10/29/2014 01:34:13 PM---On 2014年10月29日 > 12:37, Chen CH Ji wrote: >]Alex Xu ---10/29/2014 01:34:13 PM---On > 2014年10月29日 12:37, Chen CH Ji wrote: > > > From: Alex Xu <x...@linux.vnet.ibm.com<mailto:x...@linux.vnet.ibm.com>> > To: > openstack-dev@lists.openstack.org<mailto:openstack-dev@lists.openstack.org> > Date: 10/29/2014 01:34 PM > Subject: Re: [openstack-dev] [Nova] Add scheduler-hints when > migration/rebuild/evacuate > > ________________________________ > > > > On 2014年10月29日 12:37, Chen CH Ji wrote: > > I think we already support to specify the host when doing evacuate and > migration ? > > Yes, we support to specify the host, but schedule-hints is different thing. > > > if we need use hints that passed from creating instance, that means we need > to persistent schedule hints > I remember we used to have a spec for store it locally ... > > > I also remember we have one spec for persistent before, but I don't know why > it didn't continue. > And I think maybe we needn't persistent schedule-hints, just add pass new > schedule-hints when > migration the instance. Nova just need provide the mechanism. > > > Best Regards! > > Kevin (Chen) Ji 纪 晨 > > Engineer, zVM Development, CSTL > Notes: Chen CH Ji/China/IBM@IBMCN Internet: > jiche...@cn.ibm.com<mailto:jiche...@cn.ibm.com> > Phone: +86-10-82454158<tel:%2B86-10-82454158> > Address: 3/F Ring Building, ZhongGuanCun Software Park, Haidian District, > Beijing 100193, PRC > > [Inactive hide details for Alex Xu ---10/29/2014 12:19:35 PM---Hi, > Currently migration/rebuild/evacuate didn't support pass]Alex Xu > ---10/29/2014 12:19:35 PM---Hi, Currently migration/rebuild/evacuate didn't > support pass > > From: Alex Xu <x...@linux.vnet.ibm.com><mailto:x...@linux.vnet.ibm.com> > To: > openstack-dev@lists.openstack.org<mailto:openstack-dev@lists.openstack.org> > Date: 10/29/2014 12:19 PM > Subject: [openstack-dev] [Nova] Add scheduler-hints when > migration/rebuild/evacuate > > ________________________________ > > > > Hi, > > Currently migration/rebuild/evacuate didn't support pass > scheduler-hints, that means any migration > can't use schedule-hints that passed when creating instance. > > Can we add scheduler-hints support when migration/rebuild/evacuate? That > also can enable user > move in/out instance to/from an server group. > > Thanks > Alex > > > _______________________________________________ > OpenStack-dev mailing list > OpenStack-dev@lists.openstack.org<mailto:OpenStack-dev@lists.openstack.org> > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > > > > > _______________________________________________ > OpenStack-dev mailing list > OpenStack-dev@lists.openstack.org<mailto:OpenStack-dev@lists.openstack.org> > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > > _______________________________________________ > OpenStack-dev mailing list > OpenStack-dev@lists.openstack.org<mailto:OpenStack-dev@lists.openstack.org> > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > > > _______________________________________________ > OpenStack-dev mailing list > OpenStack-dev@lists.openstack.org<mailto:OpenStack-dev@lists.openstack.org> > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > > > > _______________________________________________ > OpenStack-dev mailing list > OpenStack-dev@lists.openstack.org > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > _______________________________________________ OpenStack-dev mailing list OpenStack-dev@lists.openstack.org http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev