Public bug reported:
Description
===========
Anti-affinity instance creation failed.My environment has five compute node, I
created a server group, create instances, five the affinity of the fifth
instance failure, log prompt "Exceeded Max scheduling attempts for 3 instan".
In the first four instances on the calculation of 1-4, the fifth instance is
created to compute1, compute2, compute3 try to create, due to the affinity
strategy cannot create, prompted to create failure after trying three times,
(the scheduler Max_attempts default 3),(max_server_per_host default 1).
compute1, compute2, compute3 all have error log, and compute4 ,compute5
have no error log.
Environment
===========
1.One control node, five compute nodes
2.Nova version:Queen
Error Logs
==========
'message': 'Exceeded maximum number of retries. Exceeded max scheduling
attempts 3 for instan: Build of instance 019e9891-72c9-4a15-a8f4-3b6ccc3c4535
was re-scheduled: Anti-affinity instance group policy was viol', 'code': 500,
"/var/lib/openstack/lib/python2.7/site-packages/nova/conductor/manager.py",
line 610, in build_instances\n filter_properties,
inst7/site-packages/nova/scheduler/utils.py", line 680, in populate_retry\n
raise exception.MaxRetriesExceeded(reason=msg)\nMaxRetriesEax scheduling
attempts 3 for instance 019e9891-72c9-4a15-a8f4-3b6ccc3c4535. Last exception:
Build of instance 019e9891-72c9-4a15-a8f4-roup policy was violated.\n',
'created': '2020-07-02T06:21:20Z'}
** Affects: nova
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1886160
Title:
Anti-affinity instance creation failed and the scheduling node was
incorrect.
Status in OpenStack Compute (nova):
New
Bug description:
Description
===========
Anti-affinity instance creation failed.My environment has five compute node,
I created a server group, create instances, five the affinity of the fifth
instance failure, log prompt "Exceeded Max scheduling attempts for 3 instan".
In the first four instances on the calculation of 1-4, the fifth instance is
created to compute1, compute2, compute3 try to create, due to the affinity
strategy cannot create, prompted to create failure after trying three times,
(the scheduler Max_attempts default 3),(max_server_per_host default 1).
compute1, compute2, compute3 all have error log, and compute4
,compute5 have no error log.
Environment
===========
1.One control node, five compute nodes
2.Nova version:Queen
Error Logs
==========
'message': 'Exceeded maximum number of retries. Exceeded max scheduling
attempts 3 for instan: Build of instance 019e9891-72c9-4a15-a8f4-3b6ccc3c4535
was re-scheduled: Anti-affinity instance group policy was viol', 'code': 500,
"/var/lib/openstack/lib/python2.7/site-packages/nova/conductor/manager.py",
line 610, in build_instances\n filter_properties,
inst7/site-packages/nova/scheduler/utils.py", line 680, in populate_retry\n
raise exception.MaxRetriesExceeded(reason=msg)\nMaxRetriesEax scheduling
attempts 3 for instance 019e9891-72c9-4a15-a8f4-3b6ccc3c4535. Last exception:
Build of instance 019e9891-72c9-4a15-a8f4-roup policy was violated.\n',
'created': '2020-07-02T06:21:20Z'}
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