Regarding Split network plane for live migration

Sean Mooney smooney at redhat.com
Thu Mar 26 15:34:31 UTC 2020


On Thu, 2020-03-26 at 21:12 +0600, Md. Hejbul Tawhid MUNNA wrote:
> Hi,
> 
> I already tried it. But after that its still using internal interface
> bandwidth.
> 
> Please find the additional configuration :
> 
> live_migration_inbound_addr=external_network_IP
> 
> #live_migration_tunnelled=false
> 
> [libvirt]
> live_migration_flag=VIR_MIGRATE_UNDEFINE_SOURCE,VIR_MIGRATE_PEER2PEER,VIR_MIGRATE_LIVE,VIR_MIGRATE_PERSIST_DEST,VIR_MI
> GRATE_TUNNELLED
live_migration_flag is not supported on rocky but if it had been this would have reenabled tunneling and prevented
live_migration_inbound addr form working
> 
> Regards,
> Munna
> 
> 
> On Thu, Mar 26, 2020 at 9:07 PM Sa Pham <saphi070 at gmail.com> wrote:
> 
> > I think you can use the live_migration_inbound_addr option in libvirt
> > section. For more information, use [1].
> > 
> > 
> > [1] - https://docs.openstack.org/nova/latest/configuration/config.html
> > 
> > On Thu, Mar 26, 2020 at 9:57 PM Md. Hejbul Tawhid MUNNA <
> > munnaeebd at gmail.com> wrote:
> > 
> > > Hi,
> > > 
> > > We are using Openstack Rocky . We are observing internal network is using
> > > while we do live migration. our internal network interface is 1G. So
> > > interface getting full and migration never getting complete.
> > > 
> > > (nova server-migration-list ) 'Remaining Memory Bytes' increasing and
> > > decreasing but not getting completed.
> > > 
> > > We have 10G interface for public/external network. I have tried following
> > > solution but no luck. still using internal network
> > > 
> > > 
> > > 
https://specs.openstack.org/openstack/nova-specs/specs/mitaka/implemented/split-network-plane-for-live-migration.html
> > > 
> > > Some Information:
> > > 
> > > [DEFAULT]
> > > 
> > > my_ip = Internal_network_IP
> > > 
> > > 
> > > [libvirt]
> > > 
> > > live_migration_uri=qemu+ssh://nova@%s.external
> > > /system?keyfile=/var/lib/nova/.ssh/id_rsa&no_verify=1
> > > 
> > > 
> > > Please let us know if any further information is required.
> > > 
> > > Please advice us if we can solve the issue.
> > > 
> > > Regards,
> > > Munna
> > > 
> > 
> > 
> > --
> > Sa Pham Dang
> > Skype: great_bn
> > Phone/Telegram: 0986.849.582
> > 
> > 
> > 




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