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Message #12489
Re: [Nova] Instances which use flavors with disk space fail to spawn
I'm using the filter scheduler.
On Wed, May 30, 2012 at 5:44 AM, Vaze, Mandar <Mandar.Vaze@xxxxxxxxxxx>wrote:
> > I'm a bit disappointed that the request even went through to the compute
> node to build the instance, as the scheduler *should* already know the
> memory exceeds the available memory on the box.
>
> FilterScheduler (and chanceScheduler?) checks this condition before
> sending to Compute, SimpleScheduler does not.
>
> Leander : Which scheduler are you using ?
>
> -Mandar
>
> -----Original Message-----
> From: openstack-bounces+mandar.vaze=nttdata.com@xxxxxxxxxxxxxxxxxxx[mailto:
> openstack-bounces+mandar.vaze=nttdata.com@xxxxxxxxxxxxxxxxxxx] On Behalf
> Of Jay Pipes
> Sent: Wednesday, May 30, 2012 12:58 AM
> To: openstack@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Openstack] [Nova] Instances which use flavors with disk
> space fail to spawn
>
> Leander, I would submit a bug about this. The error message is cryptic (to
> say the least!) and I think it would be better if the scheduler determined
> if the flavor requested has a memory request greater than the total amount
> available on the server! I'm a bit disappointed that the request even went
> through to the compute node to build the instance, as the scheduler
> *should* already know the memory exceeds the available memory on the box.
>
> Best,
> -jay
>
> On 05/29/2012 11:07 AM, Leander Bessa Beernaert wrote:
> > For anyone interested, i've figured out that the instances were not
> > getting spawned because the amount of memory in the flavor was equal to
> > the maximum memory available through the underlying hardware.
> >
> > On Tue, May 29, 2012 at 11:10 AM, Leander Bessa Beernaert
> > <leanderbb@xxxxxxxxx <mailto:leanderbb@xxxxxxxxx>> wrote:
> >
> > Hello,
> >
> > I'm unable to boot any image with a flavor that has a disk space
> > associated with it. It always fails at the spawning state. Below it
> > the log output of nova-compute:
> >
> > 2012-05-28 16:20:25 ERROR nova.compute.manager
> > [req-1c725f9c-acae-47c4-b5ae-9ed5d2d9830c
> > 9494d025721c4d7bb28a16fa796f9414
> > 04282e9aff474d2383bb4d4417673e0a] [instance:
> > 10d7c8e0-e05b-4e57-b722-dab5771261b7] Instance failed to
> spawn
> >
> > 2012-05-28 16:20:25 TRACE nova.compute.manager [instance:
> > 10d7c8e0-e05b-4e57-b722-dab5771261b7] Traceback (most recent
> > call last):
> >
> > 2012-05-28 16:20:25 TRACE nova.compute.manager [instance:
> > 10d7c8e0-e05b-4e57-b722-dab5771261b7] File
> > "/usr/lib/python2.7/dist-packages/nova/compute/manager.py",
> > line 592, in _spawn
> >
> > 2012-05-28 16:20:25 TRACE nova.compute.manager [instance:
> > 10d7c8e0-e05b-4e57-b722-dab5771261b7]
> > self._legacy_nw_info(network_info), block_device_info)
> >
> > 2012-05-28 16:20:25 TRACE nova.compute.manager [instance:
> > 10d7c8e0-e05b-4e57-b722-dab5771261b7] File
> > "/usr/lib/python2.7/dist-packages/nova/exception.py", line
> > 114, in wrapped
> >
> > 2012-05-28 16:20:25 TRACE nova.compute.manager [instance:
> > 10d7c8e0-e05b-4e57-b722-dab5771261b7] return f(*args,
> **kw)
> >
> > 2012-05-28 16:20:25 TRACE nova.compute.manager [instance:
> > 10d7c8e0-e05b-4e57-b722-dab5771261b7] File
> >
> "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py",
> > line 922, in spawn
> >
> > 2012-05-28 16:20:25 TRACE nova.compute.manager [instance:
> > 10d7c8e0-e05b-4e57-b722-dab5771261b7]
> > self._create_new_domain(xml)
> >
> > 2012-05-28 16:20:25 TRACE nova.compute.manager [instance:
> > 10d7c8e0-e05b-4e57-b722-dab5771261b7] File
> >
> "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py",
> > line 1575, in _create_new_domain
> >
> > 2012-05-28 16:20:25 TRACE nova.compute.manager [instance:
> > 10d7c8e0-e05b-4e57-b722-dab5771261b7]
> > domain.createWithFlags(launch_flags)
> >
> > 2012-05-28 16:20:25 TRACE nova.compute.manager [instance:
> > 10d7c8e0-e05b-4e57-b722-dab5771261b7] File
> > "/usr/lib/python2.7/dist-packages/libvirt.py", line 581, in
> > createWithFlags
> >
> > 2012-05-28 16:20:25 TRACE nova.compute.manager [instance:
> > 10d7c8e0-e05b-4e57-b722-dab5771261b7] if ret == -1:
> > raise libvirtError ('virDomainCreateWithFlags() failed',
> > dom=self)
> >
> > 2012-05-28 16:20:25 TRACE nova.compute.manager [instance:
> > 10d7c8e0-e05b-4e57-b722-dab5771261b7] libvirtError: Unable
> > to read from monitor: Connection reset by peer
> >
> > 2012-05-28 16:20:25 TRACE nova.compute.manager [instance:
> > 10d7c8e0-e05b-4e57-b722-dab5771261b7]
> >
> > 2012-05-28 16:20:25 DEBUG nova.compute.manager
> > [req-1c725f9c-acae-47c4-b5ae-9ed5d2d9830c
> > 9494d025721c4d7bb28a16fa796f9414
> > 04282e9aff474d2383bb4d4417673e0a] [instance:
> > 10d7c8e0-e05b-4e57-b722-dab5771261b7] Deallocating network
> > for instance from (pid=23518) _deallocate_network
> > /usr/lib/python2.7/dist-packages/nova/compute/manager.py:616
> >
> > 2012-05-28 16:20:25 DEBUG nova.rpc.amqp
> > [req-1c725f9c-acae-47c4-b5ae-9ed5d2d9830c
> > 9494d025721c4d7bb28a16fa796f9414
> > 04282e9aff474d2383bb4d4417673e0a] Making asynchronous cast
> > on network... from (pid=23518) cast
> > /usr/lib/python2.7/dist-packages/nova/rpc/amqp.py:346
> >
> > 2012-05-28 16:20:26 ERROR nova.rpc.amqp
> > [req-1c725f9c-acae-47c4-b5ae-9ed5d2d9830c
> > 9494d025721c4d7bb28a16fa796f9414
> > 04282e9aff474d2383bb4d4417673e0a] Exception during message
> > handling
> >
> > 2012-05-28 16:20:26 TRACE nova.rpc.amqp Traceback (most
> > recent call last):
> >
> > 2012-05-28 16:20:26 TRACE nova.rpc.amqp File
> > "/usr/lib/python2.7/dist-packages/nova/rpc/amqp.py", line
> > 252, in _process_data
> >
> > 2012-05-28 16:20:26 TRACE nova.rpc.amqp rval =
> > node_func(context=ctxt, **node_args)
> >
> > 2012-05-28 16:20:26 TRACE nova.rpc.amqp File
> > "/usr/lib/python2.7/dist-packages/nova/exception.py", line
> > 114, in wrapped
> >
> > 2012-05-28 16:20:26 TRACE nova.rpc.amqp return f(*args,
> > **kw)
> >
> > 2012-05-28 16:20:26 TRACE nova.rpc.amqp File
> > "/usr/lib/python2.7/dist-packages/nova/compute/manager.py",
> > line 177, in decorated_function
> >
> > 2012-05-28 16:20:26 TRACE nova.rpc.amqp sys.exc_info())
> >
> > 2012-05-28 16:20:26 TRACE nova.rpc.amqp File
> > "/usr/lib/python2.7/contextlib.py", line 24, in __exit__
> >
> > 2012-05-28 16:20:26 TRACE nova.rpc.amqp self.gen.next()
> >
> > 2012-05-28 16:20:26 TRACE nova.rpc.amqp File
> > "/usr/lib/python2.7/dist-packages/nova/compute/manager.py",
> > line 171, in decorated_function
> >
> > 2012-05-28 16:20:26 TRACE nova.rpc.amqp return
> > function(self, context, instance_uuid, *args, **kwargs)
> >
> > 2012-05-28 16:20:26 TRACE nova.rpc.amqp File
> > "/usr/lib/python2.7/dist-packages/nova/compute/manager.py",
> > line 651, in run_instance
> >
> > 2012-05-28 16:20:26 TRACE nova.rpc.amqp do_run_instance()
> >
> > 2012-05-28 16:20:26 TRACE nova.rpc.amqp File
> > "/usr/lib/python2.7/dist-packages/nova/utils.py", line 945,
> > in inner
> >
> > 2012-05-28 16:20:26 TRACE nova.rpc.amqp retval =
> > f(*args, **kwargs)
> >
> > 2012-05-28 16:20:26 TRACE nova.rpc.amqp File
> > "/usr/lib/python2.7/dist-packages/nova/compute/manager.py",
> > line 650, in do_run_instance
> >
> > 2012-05-28 16:20:26 TRACE nova.rpc.amqp
> > self._run_instance(context, instance_uuid, **kwargs)
> >
> > 2012-05-28 16:20:26 TRACE nova.rpc.amqp File
> > "/usr/lib/python2.7/dist-packages/nova/compute/manager.py",
> > line 451, in _run_instance
> >
> > 2012-05-28 16:20:26 TRACE nova.rpc.amqp
> > self._set_instance_error_state(context, instance_uuid)
> >
> > 2012-05-28 16:20:26 TRACE nova.rpc.amqp File
> > "/usr/lib/python2.7/contextlib.py", line 24, in __exit__
> >
> > 2012-05-28 16:20:26 TRACE nova.rpc.amqp self.gen.next()
> >
> > 2012-05-28 16:20:26 TRACE nova.rpc.amqp File
> > "/usr/lib/python2.7/dist-packages/nova/compute/manager.py",
> > line 432, in _run_instance
> >
> > 2012-05-28 16:20:26 TRACE nova.rpc.amqp
> > self._deallocate_network(context, instance)
> >
> > 2012-05-28 16:20:26 TRACE nova.rpc.amqp File
> > "/usr/lib/python2.7/contextlib.py", line 24, in __exit__
> >
> > 2012-05-28 16:20:26 TRACE nova.rpc.amqp self.gen.next()
> >
> > 2012-05-28 16:20:26 TRACE nova.rpc.amqp File
> > "/usr/lib/python2.7/dist-packages/nova/compute/manager.py",
> > line 429, in _run_instance
> >
> > 2012-05-28 16:20:26 TRACE nova.rpc.amqp injected_files,
> > admin_password)
> >
> > 2012-05-28 16:20:26 TRACE nova.rpc.amqp File
> > "/usr/lib/python2.7/dist-packages/nova/compute/manager.py",
> > line 592, in _spawn
> >
> > 2012-05-28 16:20:26 TRACE nova.rpc.amqp
> > self._legacy_nw_info(network_info), block_device_info)
> >
> > 2012-05-28 16:20:26 TRACE nova.rpc.amqp File
> > "/usr/lib/python2.7/dist-packages/nova/exception.py", line
> > 114, in wrapped
> >
> > 2012-05-28 16:20:26 TRACE nova.rpc.amqp return f(*args,
> > **kw)
> >
> > 2012-05-28 16:20:26 TRACE nova.rpc.amqp File
> >
> "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py",
> > line 922, in spawn
> >
> > 2012-05-28 16:20:26 TRACE nova.rpc.amqp
> > self._create_new_domain(xml)
> >
> > 2012-05-28 16:20:26 TRACE nova.rpc.amqp File
> >
> "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py",
> > line 1575, in _create_new_domain
> >
> > 2012-05-28 16:20:26 TRACE nova.rpc.amqp
> > domain.createWithFlags(launch_flags)
> >
> > 2012-05-28 16:20:26 TRACE nova.rpc.amqp File
> > "/usr/lib/python2.7/dist-packages/libvirt.py", line 581, in
> > createWithFlags
> >
> > 2012-05-28 16:20:26 TRACE nova.rpc.amqp if ret == -1:
> > raise libvirtError ('virDomainCreateWithFlags() failed',
> > dom=self)
> >
> > 2012-05-28 16:20:26 TRACE nova.rpc.amqp libvirtError: Unable
> > to read from monitor: Connection reset by peer
> >
> >
> > Any suggestions?
> >
> >
> > Regards,
> >
> > Leander
> >
> >
> >
> >
> > _______________________________________________
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