I assigned it to milestone 2 since there are already a lot of changes we are trying to get in in milestone 1
Vish On May 10, 2011, at 11:37 PM, Masanori ITOH wrote: > Hi Mikhail, Vish, Kei, > > I filed the blueprint below. > > https://blueprints.launchpad.net/nova/+spec/kvm-block-migration > > and, please check the full specification page too. > > http://etherpad.openstack.org/kvm-block-migration > > > BTW, who is the appropriate person as the approver? > Also, I'm wondering which milestone target we should shoot for.. > diablo-1 or diablo-2? > > Regards, > Masanori > > From: Vishvananda Ishaya <[email protected]> > Subject: Re: [Openstack] KVM Block Migration > Date: Wed, 11 May 2011 03:57:47 +0900 > >> I don't know if anyone has started work on this feature. Someone should >> file a blueprint. >> >> Vish >> >> On May 10, 2011, at 3:35 AM, Mikhail Shcherbakov wrote: >> >> Hi, >> Is there any progress on KVM block migration? >> >> I'd like to test it and possibly make some changes to nova to support block >> devices, >> but don't want to reinventing the wheel. >> >> Thanks, >> >> 2011/4/12 Masanori ITOH <[email protected]<mailto:[email protected]>> >> >> Hi, >> >> Vish also mentioned that we should support the KVM block migration feature >> instead of stability which I mentioned because it's very much useful. >> I agree with Vish of course. :) >> Actually, we discussed inclusion of block migration feature at San Antonio. >> :) >> >> >> I've also seen the page Hisaki mentioned. My point is that >> the page explains interacting qemu monitor but we need to invoke >> the feature through libvirt layer not the qemu monitor directly. >> Here, A colleague of mine mentioned that --copy-storage-all option of >> virsh looked like not-supported yet in Ubuntu 10.10 at least. >> >> Hisaki, >> do you have any information if it's enabled in Ubuntu 11.04 libvirt? >> I mean using virsh, did you succeed invoking block live migration >> something like the following? >> >> $ virsh migrate --live --copy-storage-all DOMID DESTURL >> >> Unfortunately, we haven't been able to make enough time trying Natty alpha >> because of our schedule delay caused by the earthquake in Northeastern >> Japan. :( >> At least, libvirt(virsh) included in RHEL6 does not support the feature. >> >> But, anyway I will talk about the issue with Kei and Muneyuki before going to >> the Design Summit. :) >> >> Regards, >> Masanori >> >> >> From: igoigo246 <[email protected]<mailto:[email protected]>> >> Subject: Re: [Openstack] KVM Block Migration >> Date: Tue, 12 Apr 2011 09:28:38 +0900 >> >>> Hi, >>> >>> I look Japanease Site. >>> http://www.cuspy.org/blog/archives/917 >>> >>> This site wrote. >>> >>> image file >>> vda.qcow >>> >>> sending host >>> >>> qemu --enable-kvm -m 512 \ >>> -drive file=vda.qcow,if=virtio,boot=on \ >>> -net nic,macaddr=00:16:3E:00:FF:32,model=virtio >>> >>> receive host >>> >>> touch vda.qcow >>> qemu -enable-kvm -m 512 \ >>> -drive file=vda.qcow,if=virtio \ >>> -net nic,macaddr=00:16:3E:00:FF:32,model=virtio \ >>> -incoming tcp:0:4444 >>> >>> sending host >>> >>> migrate -d -b tcp:wasabi:4444 >>> >>> >>> (qemu) info migrate >>> Migration status: active >>> transferred ram: 48 kbytes >>> remaining ram: 147792 kbytes >>> total ram: 147840 kbytes >>> transferred disk: 206848 kbytes >>> remaining disk: 10278912 kbytes >>> total disk: 10485760 kbytes >>> >>> Thanks, >>> >>> -- >>> Hisashi Ikari >>> >>> >>> >>> >>> >>> 2011-04-11 (月) の 16:50 +0900 に Masanori ITOH さんは書きました: >>>> Hi, >>>> >>>> We are considering if it's possible to support KVM block migration >>>> as the next step of live migration. >>>> >>>> Actually, our main issue at this moment is if that kvm feature is enough >>>> stable or not because we got several errors during our try of it >>>> using Ubuntu 10.10 code base. Especially, I'm not sure if the feature >>>> is enabled or not in the qemu-kvm bundled in Ubuntu/RHEL. >>>> >>>> Do you have any information about stability? >>>> >>>> Thanks, >>>> Masanori >>>> >>>> --- >>>> Masanori ITOH R&D Headquarters, NTT DATA CORPORATION >>>> e-mail: [email protected]<mailto:[email protected]> >>>> >>>> From: igoigo246 <[email protected]<mailto:[email protected]>> >>>> Subject: [Openstack] (no subject) >>>> Date: Mon, 11 Apr 2011 14:41:20 +0900 >>>> >>>>> hi all >>>>> >>>>> KVM Block Migration is wonderful function. >>>>> >>>>> http://www.linux-kvm.com/content/qemu-kvm-012-adds-block-migration-feature >>>>> >>>>> this allow that live migration do without shared storage. >>>>> >>>>> >>>>> When KVM Block migration Support ? >>>>> >>>>> >>>>> Thanks for reading. >>>>> -- >>>>> Hisashi Ikari >>>>> >>>>> >>>>> _______________________________________________ >>>>> Mailing list: https://launchpad.net/~openstack >>>>> Post to : >>>>> [email protected]<mailto:[email protected]> >>>>> Unsubscribe : https://launchpad.net/~openstack >>>>> More help : https://help.launchpad.net/ListHelp >>>> >>>> _______________________________________________ >>>> Mailing list: https://launchpad.net/~openstack >>>> Post to : >>>> [email protected]<mailto:[email protected]> >>>> Unsubscribe : https://launchpad.net/~openstack >>>> More help : https://help.launchpad.net/ListHelp >>> >>> >> >> _______________________________________________ >> Mailing list: https://launchpad.net/~openstack >> Post to : >> [email protected]<mailto:[email protected]> >> Unsubscribe : https://launchpad.net/~openstack >> More help : https://help.launchpad.net/ListHelp >> >> >> >> -- >> Mike Scherbakov >> www.mirantis.com<http://www.mirantis.com/> >> _______________________________________________ >> Mailing list: https://launchpad.net/~openstack >> Post to : >> [email protected]<mailto:[email protected]> >> Unsubscribe : https://launchpad.net/~openstack >> More help : https://help.launchpad.net/ListHelp >> > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : [email protected] > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp _______________________________________________ Mailing list: https://launchpad.net/~openstack Post to : [email protected] Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp
