[Openstack-operators] [Essex] compute node hard reboot, can't create domain.

Samuel Winchenbach swinchen at gmail.com
Mon Jul 8 11:26:23 UTC 2013


Hi Razique,

That did not seem to work.  I had to manually recreate the vlan, add it to
the bridge and add an IP.

Thanks!
Sam


On Mon, Jul 8, 2013 at 3:39 AM, Razique Mahroua
<razique.mahroua at gmail.com>wrote:

> Hey Samuel,
> run :
> brctl addbr br14
> and
> service nova-network restart
>
> and voila :)
>
>
> *Razique Mahroua** - **Nuage & Co*
> razique.mahroua at gmail.com
> Tel : +33 9 72 37 94 15
>
>
> Le 8 juil. 2013 à 03:21, Samuel Winchenbach <swinchen at gmail.com> a écrit :
>
> Hi All,
>
> I have an old Essex cluster that we are getting ready to phase out for
> grizzly.  Unfortunately over the weekend one of the compute nodes powered
> off (power supply failure it looks like).  When I tried a "nova reboot
> <UUID>"
>
> I got:
>
> 2013-07-07 21:17:34 ERROR nova.rpc.amqp
> [req-d2ea5f46-9dc2-4788-9951-07d985a1f8dc 6986639ba3c84ab5b05fdd2e122101f0
> 3806a811d2d34542bdfc5d7f31ce7b89] Exception during message handling
> 2013-07-07 21:17:34 TRACE nova.rpc.amqp Traceback (most recent call last):
> 2013-07-07 21:17:34 TRACE nova.rpc.amqp   File
> "/usr/lib/python2.7/dist-packages/nova/rpc/amqp.py", line 253, in
> _process_data
> 2013-07-07 21:17:34 TRACE nova.rpc.amqp     rval = node_func(context=ctxt,
> **node_args)
> 2013-07-07 21:17:34 TRACE nova.rpc.amqp   File
> "/usr/lib/python2.7/dist-packages/nova/exception.py", line 114, in wrapped
> 2013-07-07 21:17:34 TRACE nova.rpc.amqp     return f(*args, **kw)
> 2013-07-07 21:17:34 TRACE nova.rpc.amqp   File
> "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 159, in
> decorated_function
> 2013-07-07 21:17:34 TRACE nova.rpc.amqp     function(self, context,
> instance_uuid, *args, **kwargs)
> 2013-07-07 21:17:34 TRACE nova.rpc.amqp   File
> "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 183, in
> decorated_function
> 2013-07-07 21:17:34 TRACE nova.rpc.amqp     sys.exc_info())
> 2013-07-07 21:17:34 TRACE nova.rpc.amqp   File
> "/usr/lib/python2.7/contextlib.py", line 24, in __exit__
> 2013-07-07 21:17:34 TRACE nova.rpc.amqp     self.gen.next()
> 2013-07-07 21:17:34 TRACE nova.rpc.amqp   File
> "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 177, in
> decorated_function
> 2013-07-07 21:17:34 TRACE nova.rpc.amqp     return function(self, context,
> instance_uuid, *args, **kwargs)
> 2013-07-07 21:17:34 TRACE nova.rpc.amqp   File
> "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 904, in
> reboot_instance
> 2013-07-07 21:17:34 TRACE nova.rpc.amqp     reboot_type)
> 2013-07-07 21:17:34 TRACE nova.rpc.amqp   File
> "/usr/lib/python2.7/dist-packages/nova/exception.py", line 114, in wrapped
> 2013-07-07 21:17:34 TRACE nova.rpc.amqp     return f(*args, **kw)
> 2013-07-07 21:17:34 TRACE nova.rpc.amqp   File
> "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py", line
> 721, in reboot
> 2013-07-07 21:17:34 TRACE nova.rpc.amqp     if self._soft_reboot(instance):
> 2013-07-07 21:17:34 TRACE nova.rpc.amqp   File
> "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py", line
> 757, in _soft_reboot
> 2013-07-07 21:17:34 TRACE nova.rpc.amqp     dom.create()
> 2013-07-07 21:17:34 TRACE nova.rpc.amqp   File
> "/usr/lib/python2.7/dist-packages/libvirt.py", line 551, in create
> 2013-07-07 21:17:34 TRACE nova.rpc.amqp     if ret == -1: raise
> libvirtError ('virDomainCreate() failed', dom=self)
> 2013-07-07 21:17:34 TRACE nova.rpc.amqp libvirtError: Cannot get interface
> MTU on 'br14': No such device
> 2013-07-07 21:17:34 TRACE nova.rpc.amqp
>
>
> So I tried starting it manually:
>
> root at compute-01:/etc/libvirt/qemu# virsh create instance-00000035.xml
> error: Failed to create domain from instance-00000035.xml
> error: Cannot get interface MTU on 'br14': No such device
>
>
> Any idea what I might be doing wrong?  All the services show :-) with
> nova-manage
>
>
> Thanks for your help...
>
> Sam
> _______________________________________________
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> OpenStack-operators at lists.openstack.org
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>
>
>
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