[libvirt-users] [virt-tools-list] C'ant migrate with virt-manager or virsh

[digvijay chauhan]

Hello,
          i migrated the vm to the dsetination but when i remigrate to its
original host is gives me.

[root at node0 ~]# virsh migrate try3 --live  qemu+ssh://100.100.102.106/system
--unsafe
root at 100.100.102.106's password:
error: internal error hostname on destination resolved to localhost, but
migration requires an FQDN.

On Fri, Mar 15, 2013 at 1:10 AM, Cole Robinson <crobinso at redhat.com> wrote:

> On 03/14/2013 03:17 AM, Digvijay wrote:
> > [root at node0 ~]# virsh migrate --live try1 qemu+ssh://
> root at 100.100.102.106/system
> > --unsafe
> > root at 100.100.102.106's password:
> > error: operation failed: migration job: unexpectedly failed
> > error: Reconnected to the hypervisor
> >
>
> CC-ing libvirt-users
>
> I think that virsh command should work. Look at
> /var/log/libvirt/qemu/$vmname.log on both the source host and the
> destination
> host.
>
> >
> > I tried to run the migration but it is not doing profitably.I also used
> virtual
> > machine manager but it is giving me " unsafe operation"
> >
> > Unable to migrate guest: Unsafe migration: Migration may lead to data
> corruption
> > if disks use cache != none
> >
> > Traceback (most recent call last):
> >   File "/usr/share/virt-manager/virtManager/asyncjob.py", line 96, in
> cb_wrapper
> >     callback(asyncjob, *args, **kwargs)
> >   File "/usr/share/virt-manager/virtManager/migrate.py", line 553, in
> _async_migrate
> >     vm.migrate(dstconn, migrate_uri, rate, live, secure, meter=meter)
> >   File "/usr/share/virt-manager/virtManager/domain.py", line 1163, in
> migrate
> >     self._backend.migrate(destconn.vmm, flags, newname, interface, rate)
> >   File "/usr/lib64/python2.7/site-packages/libvirt.py", line 822, in
> migrate
> >     if ret is None:raise libvirtError('virDomainMigrate() failed',
> dom=self)
> > libvirtError: Unsafe migration: Migration may lead to data corruption if
> disks
> > use cache != none
>
> Like the error says, your disks need to have cache=None or libvirt won't
> allow
> the migration. You can change that setting per disk in the VM details UI in
> virt-manager.
>
> - Cole
>
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