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I had this compute node which nova service-list was showing.

*nfp                          nova*    # Compute node

On Tue, Mar 14, 2017 at 10:42 PM, Hauke Bruno Wollentin <
hauke-bruno.wollentin at innovo-cloud.de> wrote:

> Hi Vikash,
>
> Did you make sure that your compute node is running?
>
> 'nova availability-zone-list' (or the equivalent openstack cli command)
> will show you that.
>
> If your compute node isn't active, you need to check whether
> nova-compute throws errors on your compute node.
>
> cheers,
> hauke
>
> On 14.03.2017 06:22, Vikash Kumar wrote:
> > I am unable to launch the instance. Below is Nova scheduler logs which
> > says 0 host. I have installed openstack ocata devstack. Here is output
> of :
> >
> > *nova-manage host list
> > host                         zone
> > 0.0.0.0                      internal
> > stack                        internal
> > nfp                          nova*    # Compute node
> >
> > 2017-03-14 10:13:15.949 24225 DEBUG oslo_service.periodic_task
> > [req-b6c01e64-17e9-4f57-aec8-4bf7ba279e8f - -] Running periodic task
> > SchedulerManager._
> > run_periodic_tasks run_periodic_tasks
> > /usr/local/lib/python2.7/dist-packages/oslo_service/periodic_task.py:215
> > 2017-03-14 10:13:52.178 24225 DEBUG oslo_messaging._drivers.amqpdriver
> > [-] received message with unique_id: 3b9519dd6abb4a808433f594dda3c8ba
> > __call__
> > /usr/local/lib/python2.7/dist-packages/oslo_messaging/_
> drivers/amqpdriver.py:196
> > 2017-03-14 10:13:52.180 24225 DEBUG oslo_concurrency.lockutils
> > [req-fafcd5e5-0278-447e-ace4-a67defd17816 - -] Lock "host_instance"
> > acquired by "nova.s
> > cheduler.host_manager.update_instance_info" :: waited 0.000s inner
> > /usr/local/lib/python2.7/dist-packages/oslo_concurrency/lockutils.py:270
> > 2017-03-14 10:13:52.181 24225 DEBUG oslo_concurrency.lockutils
> > [req-fafcd5e5-0278-447e-ace4-a67defd17816 - -] Lock "host_instance"
> > released by "nova.s
> > cheduler.host_manager.update_instance_info" :: held 0.001s inner
> > /usr/local/lib/python2.7/dist-packages/oslo_concurrency/lockutils.py:282
> > 2017-03-14 10:14:04.230 24225 DEBUG oslo_service.periodic_task
> > [req-b6c01e64-17e9-4f57-aec8-4bf7ba279e8f - -] Running periodic task
> > SchedulerManager._
> > expire_reservations run_periodic_tasks
> > /usr/local/lib/python2.7/dist-packages/oslo_service/periodic_task.py:215
> > 2017-03-14 10:14:15.951 24225 DEBUG oslo_service.periodic_task
> > [req-b6c01e64-17e9-4f57-aec8-4bf7ba279e8f - -] Running periodic task
> > SchedulerManager._
> > run_periodic_tasks run_periodic_tasks
> > /usr/local/lib/python2.7/dist-packages/oslo_service/periodic_task.py:215
> > 2017-03-14 10:14:34.614 24225 DEBUG oslo_messaging._drivers.amqpdriver
> > [-] received message msg_id: 7bd0be86818e42a58d845a4e783efbd4 reply to
> > reply_49
> > 01cb308942488984a83a9e2275f6b5 __call__
> > /usr/local/lib/python2.7/dist-packages/oslo_messaging/_
> drivers/amqpdriver.py:194
> > 2017-03-14 10:14:34.617 24225 DEBUG oslo_messaging._drivers.amqpdriver
> > [req-babb1ec2-2619-4d9b-8677-33e928b6e66f vks vks] CAST unique_id:
> > b118ce0d7da0
> > 43b2bfee3c63f5939ff4 NOTIFY exchange 'nova' topic 'notifications.info
> > <http://notifications.info>' _send
> > /usr/local/lib/python2.7/dist-packages/oslo_messaging/_
> drivers/amqpdriver.py:426
> > 2017-03-14 10:14:44.112 24225 DEBUG nova.filters
> > [req-babb1ec2-2619-4d9b-8677-33e928b6e66f vks vks] *Starting with 0
> > host(s) get_filtered_objects /opt/stack/nova/nova/filters.py:70*
> > 2017-03-14 10:14:44.113 24225 INFO nova.filters
> > [req-babb1ec2-2619-4d9b-8677-33e928b6e66f vks vks] Filter RetryFilter
> > returned 0 hosts
> > 2017-03-14 10:14:44.114 24225 DEBUG nova.filters
> > [req-babb1ec2-2619-4d9b-8677-33e928b6e66f vks vks] Filtering removed all
> > hosts for the request with instance ID
> > 'ebce31a7-7018-4f2e-980c-e10987afdca6'. Filter results: [('RetryFilter',
> > None)] get_filtered_objects /opt/stack/nova/nova/filters.py:129
> > 2017-03-14 10:14:44.115 24225 INFO nova.filters
> > [req-babb1ec2-2619-4d9b-8677-33e928b6e66f vks vks] Filtering removed all
> > hosts for the request with instance ID
> > 'ebce31a7-7018-4f2e-980c-e10987afdca6'. Filter results: ['RetryFilter:
> > (start: 0, end: 0)']
> > 2017-03-14 10:14:44.116 24225 DEBUG nova.scheduler.filter_scheduler
> > [req-babb1ec2-2619-4d9b-8677-33e928b6e66f vks vks] T*here are 0 hosts
> > available but 1 instances requested to build. select_destinations
> > /opt/stack/nova/nova/scheduler/filter_scheduler.py:76*
> > 2017-03-14 10:14:44.117 24225 DEBUG oslo_messaging.rpc.server
> > [req-babb1ec2-2619-4d9b-8677-33e928b6e66f vks vks] Expected exception
> > during message handling () _process_incoming
> > /usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/server.py:158
> > 2017-03-14 10:14:44.118 24225 DEBUG oslo_messaging._drivers.amqpdriver
> > [req-babb1ec2-2619-4d9b-8677-33e928b6e66f vks vks] sending reply msg_id:
> > 7bd0be86818e42a58d845a4e783efbd4 reply queue:
> > reply_4901cb308942488984a83a9e2275f6b5 time elapsed: 9.50398825854s
> > _send_reply
> > /usr/local/lib/python2.7/dist-packages/oslo_messaging/_
> drivers/amqpdriver.py:73
> >
> > Is this a filter isssue ?
> >
> >
> >
> >
> >
> > --
> > Regards,
> > Vikash
> >
> >
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-- 
Regards,
Vikash
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