[Openstack] [Nova] Instances which use flavors with disk space fail to spawn
Vaze, Mandar
Mandar.Vaze at nttdata.com
Wed May 30 04:44:38 UTC 2012
> 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 at lists.launchpad.net [mailto:openstack-bounces+mandar.vaze=nttdata.com at lists.launchpad.net] On Behalf Of Jay Pipes
Sent: Wednesday, May 30, 2012 12:58 AM
To: openstack at lists.launchpad.net
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 at gmail.com <mailto:leanderbb at gmail.com>> 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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