<div dir="ltr"><div class="gmail_default" style="font-family:verdana,sans-serif">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 :<br><br><b>nova-manage host list<br>host                         zone           <br>0.0.0.0                      internal       <br>stack                        internal       <br>nfp                          nova</b>    # Compute node<br></div><div class="gmail_default" style="font-family:verdana,sans-serif"><br>2017-03-14 10:13:15.949 24225 DEBUG oslo_service.periodic_task 
[req-b6c01e64-17e9-4f57-aec8-4bf7ba279e8f - -] Running periodic task 
SchedulerManager._<br>run_periodic_tasks run_periodic_tasks /usr/local/lib/python2.7/dist-packages/oslo_service/periodic_task.py:215<br>2017-03-14
 10:13:52.178 24225 DEBUG oslo_messaging._drivers.amqpdriver [-] 
received message with unique_id: 3b9519dd6abb4a808433f594dda3c8ba 
__call__ <br>/usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py:196<br>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<br>cheduler.host_manager.update_instance_info" :: 
waited 0.000s inner 
/usr/local/lib/python2.7/dist-packages/oslo_concurrency/lockutils.py:270<br>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<br>cheduler.host_manager.update_instance_info" :: 
held 0.001s inner 
/usr/local/lib/python2.7/dist-packages/oslo_concurrency/lockutils.py:282<br>2017-03-14
 10:14:04.230 24225 DEBUG oslo_service.periodic_task 
[req-b6c01e64-17e9-4f57-aec8-4bf7ba279e8f - -] Running periodic task 
SchedulerManager._<br>expire_reservations run_periodic_tasks /usr/local/lib/python2.7/dist-packages/oslo_service/periodic_task.py:215<br>2017-03-14
 10:14:15.951 24225 DEBUG oslo_service.periodic_task 
[req-b6c01e64-17e9-4f57-aec8-4bf7ba279e8f - -] Running periodic task 
SchedulerManager._<br>run_periodic_tasks run_periodic_tasks /usr/local/lib/python2.7/dist-packages/oslo_service/periodic_task.py:215<br>2017-03-14
 10:14:34.614 24225 DEBUG oslo_messaging._drivers.amqpdriver [-] 
received message msg_id: 7bd0be86818e42a58d845a4e783efbd4 reply to 
reply_49<br>01cb308942488984a83a9e2275f6b5 __call__ /usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py:194<br>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<br>43b2bfee3c63f5939ff4 NOTIFY exchange 'nova' topic 
'<a href="http://notifications.info">notifications.info</a>' _send 
/usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py:426<br>2017-03-14
 10:14:44.112 24225 DEBUG nova.filters 
[req-babb1ec2-2619-4d9b-8677-33e928b6e66f vks vks] <b>Starting with 0 
host(s) get_filtered_objects /opt/stack/nova/nova/filters.py:70</b><br>2017-03-14
 10:14:44.113 24225 INFO nova.filters 
[req-babb1ec2-2619-4d9b-8677-33e928b6e66f vks vks] Filter RetryFilter 
returned 0 hosts<br>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<br>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)']<br>2017-03-14 10:14:44.116 24225 DEBUG 
nova.scheduler.filter_scheduler 
[req-babb1ec2-2619-4d9b-8677-33e928b6e66f vks vks] T<b>here are 0 hosts 
available but 1 instances requested to build. select_destinations 
/opt/stack/nova/nova/scheduler/filter_scheduler.py:76</b><br>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<br>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<br><br></div><div class="gmail_default" style="font-family:verdana,sans-serif">Is this a filter isssue ? <br></div><div class="gmail_default" style="font-family:verdana,sans-serif"><br clear="all"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif"><br></div><br>-- <br><div class="gmail_signature"><div dir="ltr"><div><span style="font-family:trebuchet ms,sans-serif">Regards,<br></span></div><span style="font-family:trebuchet ms,sans-serif">Vikash</span><br></div></div>
</div>