havengit opened a new issue #5527:
URL: https://github.com/apache/cloudstack/issues/5527
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##### ISSUE TYPE
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* Bug Report
##### COMPONENT NAME
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affinity Groups
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##### CLOUDSTACK VERSION
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branch.
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CloudStack 4.15.0.0
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##### CONFIGURATION
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advanced networking, etc. N/A otherwise
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##### OS / ENVIRONMENT
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CloudStack 4.15.0.0
host OS version: Ubuntu 20.04
##### SUMMARY
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Start virtual machines in batches, anti affinity Groups not work sometimes
##### STEPS TO REPRODUCE
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It doesn't happen every time
1.Two host in one cluster
2.add three VM to a anti-affinity group
3.VM in stopped state
4.start vm with WEB UI, Check three VM to start
5.Three VMs will start successful
logs ：
vm id : 158 159 160
host id: 3 9
job-5595:
2021-09-29 09:35:14,379 DEBUG [o.a.c.a.HostAntiAffinityProcessor]
(API-Job-Executor-31:ctx-ff549a9e job-5595 ctx-e1872415) (logid:ec8a48c2)
Processing affinity group gumd-test for VM Id: 158
2021-09-29 09:35:14,382 DEBUG [o.a.c.a.HostAntiAffinityProcessor]
(API-Job-Executor-31:ctx-ff549a9e job-5595 ctx-e1872415) (logid:ec8a48c2) Added
host 3 to avoid set, since VM 159 is present on the host, in Stopped state but
has reserved capacity
2021-09-29 09:35:14,383 DEBUG [o.a.c.a.HostAntiAffinityProcessor]
(API-Job-Executor-31:ctx-ff549a9e job-5595 ctx-e1872415) (logid:ec8a48c2) Added
host 9 to avoid set, since VM 160 is present on the host, in Stopped state but
has reserved capacity
job-5598
2021-09-29 09:35:14,594 DEBUG [o.a.c.a.HostAntiAffinityProcessor]
(API-Job-Executor-32:ctx-acdc74f8 job-5598 ctx-3ce8dd3b) (logid:1d2445d0)
Processing affinity group gumd-test for VM Id: 159
2021-09-29 09:35:14,597 DEBUG [o.a.c.a.HostAntiAffinityProcessor]
(API-Job-Executor-32:ctx-acdc74f8 job-5598 ctx-3ce8dd3b) (logid:1d2445d0) Added
host 9 to avoid set, since VM 158 is present on the host, in Stopped state but
has reserved capacity
2021-09-29 09:35:14,600 DEBUG [o.a.c.a.HostAntiAffinityProcessor]
(API-Job-Executor-32:ctx-acdc74f8 job-5598 ctx-3ce8dd3b) (logid:1d2445d0) Added
host 9 to avoid set, since VM 160 is present on the host, in Stopped state but
has reserved capacity
job-5592
2021-09-29 09:35:14,498 DEBUG [o.a.c.a.HostAntiAffinityProcessor]
(API-Job-Executor-30:ctx-307add2b job-5592 ctx-0802d14f) (logid:c430fdd5)
Processing affinity group gumd-test for VM Id: 160
2021-09-29 09:35:14,500 DEBUG [o.a.c.a.HostAntiAffinityProcessor]
(API-Job-Executor-30:ctx-307add2b job-5592 ctx-0802d14f) (logid:c430fdd5) Added
host 9 to avoid set, since VM 158 is present on the host, in Stopped state but
has reserved capacity
2021-09-29 09:35:14,502 DEBUG [o.a.c.a.HostAntiAffinityProcessor]
(API-Job-Executor-30:ctx-307add2b job-5592 ctx-0802d14f) (logid:c430fdd5) Added
host 3 to avoid set, since VM 159 is present on the host, in Stopped state but
has reserved capacity
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##### EXPECTED RESULTS
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Two VMs start success , one VM start failed
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##### ACTUAL RESULTS
<!-- What actually happened? -->
<!-- Paste verbatim command output between quotes below -->
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Three VMs start success
~~~
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