[Openstack] KVM Block Migration

igoigo246 igoigo246 at gmail.com
Tue Apr 12 00:28:38 UTC 2011


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: itoumsn at nttdata.co.jp
> 
> From: igoigo246 <igoigo246 at gmail.com>
> 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
> > 
> > 
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