[Openstack] [nova][nova-scheduler]There are 0 host available

Vikash Kumar vikash.kumar at oneconvergence.com
Tue Mar 14 05:22:01 UTC 2017


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 listhost                         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'
_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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