[libvirt-users] VM migration upon shutdown in centos 7

[Alice(Fangge Jin)]

----- Original Message -----
> From: "Raman Gupta" <ramangupta16 at gmail.com>
> To: libvirt-users at redhat.com
> Sent: Friday, January 5, 2018 7:00:49 PM
> Subject: [libvirt-users] VM migration upon shutdown in centos 7
> 
> Hi,
> 
> I have CentOS 7, two node system which allows live VM migration between them.
> Live migration triggered from virsh is happily happening. I am using
> GlusterFS for replicating VM disk files.
> 
> Now I want to automatically do the live migration at the time of
> reboot/shutdown/halt of the host node and for this I have written a systemd
> service unit [vPreShutdownHook.service] and placed the live migration
> command in a migrate script which is invoked from this service unit. The
> migrate script is invoked but migration does not happen.
> If someone has some idea please help me to migrate VM upon shutdown.
> 
> 
> ######## vPreShutdownHook.service ###############
> 
> [Unit]
> Description=vPreShutdownHook
> Requires=network.target
> Requires=libvirtd.service
> Requires=dbus.service
> Requires=glusterd.service
> Requires=glusterfsd.service
> DefaultDependencies=no
> Before=shutdown.target reboot.target
> 
> [Service]
> Type=oneshot
> RemainAfterExit=true
> ExecStart=/bin/true
> ExecStop=/root/vm_migrate.sh
> 
> [Install]
> WantedBy=multi-user.target
> 
> 
> ########## Command to migrate ############
> /usr/bin/virsh migrate --verbose --p2p --tunneled --live --compressed
Please modify "--tunneled" to "tunnelled" and try again.

> --comp-methods "mt" --comp-mt-level 5 --comp-mt-threads 5 --comp-mt-dthreads
> 5 MY_VM qemu+ssh://root@$node2/system
> 
> 
> Thanks,
> 
> 
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