Open Stack

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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