blocks|key|1150177|text|这里也是..。我们设法通过OpenStack部署科拉-，不幸的是，无法通过Horizon部署一个实例。继续获取有关调度程序的错误。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1150178|消息超过了重试的最大次数。耗尽了用于>重试构建失败的所有主机，例如3539a5ba-b4f8-4dea-92a0-618e77d3ee93。
代码500
详细信息跟踪(最近一次调用)：文件
"/var/lib/kolla/venv/lib/python3.8/site-packages/nova/conductor/manager.py"，第665行，在build_instances+raise+exception.MaxRetriesExceeded(reason=msg)+nova.exception.MaxRetriesExceeded中:超过了最大重试次数。>耗尽所有可用于重试构建失败的主机，例如>3539a5ba-b4f8-4dea-92a0-618e77d3ee93。创建于2021年10月3日上午7:21。|blockquote|1150179|但令人惊讶的是，下面的命令似乎起作用了。|1150180|openstack+server+create+\
--image+cirros+\
--flavor+m1.tiny+\
--key-name+mykey+\
--network+demo-net+\
demo1|code-block|syntax|javascript|1150181|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/openstack/kolla-ansible#:%257E:text=The%2520Kolla%2520Ansible%2520is%2520a,tools%2520for%2520operating%2520OpenStack%2520clouds.^0|O|3|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|V|8|@]|9|@$A|W|B|X|1|Y]]|C|$]]|$1|D|3|E|5|F|7|Z|8|@]|9|@]|C|$]]|$1|G|3|H|5|6|7|10|8|@]|9|@]|C|$]]|$1|I|3|J|5|K|7|11|8|@]|9|@]|C|$L|M]]|$1|N|3|-4|5|6|7|12|8|@]|9|@]|C|$]]]|O|$P|$5|Q|R|S|C|$T|U]]]]

Same here..
We managed to deploy OpenStack through <a href="https://github.com/openstack/kolla-ansible#:%7E:text=The%20Kolla%20Ansible%20is%20a,tools%20for%20operating%20OpenStack%20clouds." rel="nofollow noreferrer">Kolla-Ansible</a>
Unfortunately just cannot deploy an instance through Horizon. keep getting this error about the scheduler
<blockquote>
Message Exceeded maximum number of retries. Exhausted all hosts
available for &gt;retrying build failures for instance
3539a5ba-b4f8-4dea-92a0-618e77d3ee93.
Code 500
Details Traceback (most recent call last): File
<blockquote>
&quot;/var/lib/kolla/venv/lib/python3.8/site-packages/nova/conductor/manager.py&quot;,
line 665, in build_instances raise exception.MaxRetriesExceeded(reason=msg)
nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. &gt;Exhausted all hosts available for retrying build failures
for instance &gt;3539a5ba-b4f8-4dea-92a0-618e77d3ee93.
</blockquote>
Created Oct. 3, 2021, 7:21 a.m.
</blockquote>
But surprisingly the follwoing command seem to work
<pre><code>openstack server create \
--image cirros \
--flavor m1.tiny \
--key-name mykey \
--network demo-net \
demo1
</code></pre>

blocks|key|2143711|text|我也遇到了类似的问题，在我的计算主机中，我可以在日志中看到-xfu中子-linuxbridge代理。|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|2143712|物理网络平台的接口eth12不存在。探员被解雇了！|blockquote|2143713|我的linuxbridge代理服务总是重新启动。|2143714|在这种情况下，我需要创建虚拟设备veth文件。我的解决办法是：|2143715|/etc/systemd/network/25-veth-br-vlan-eth12.netdev+|ordered-list-item|2143716|[NetDev]
Name=eth12
Kind=veth
[Peer]
Name=br-vlan-veth|code-block|syntax|javascript|2143717|并在netplan文件中添加vim+|2143718|+++ethernets:
+++++++eno1:
+++++++++dhcp4:+no
+++++++++mtu:+1500
+++++++eno2:
+++++++++dhcp4:+no
+++++++++mtu:+1500
+++++++br-vlan-veth:+{}
+++++++eth12:+{}|2143719|应用netplan配置：|2143720|netplan+apply|2143721|重新启动linuxbridge代理服务：|2143722|systemctl+restart+neutron-linuxbridge-agent|2143723|PS:我需要使用linuxbridge代理在所有主机中创建veth设备，比如控制器节点和计算节点。|2143724|如果您正在使用OVS而不是linuxbridge，则此解决方案对您没有意义，但可以帮助使用linuxbridge的人。|2143725|entityMap^0|O|P|0|0|0|0|0|0|0|I|0|0|0|C|0|0|0|K|0|0|0|1D|0|0|1N|0^^$0|@$1|2|3|4|5|6|7|1C|8|@$9|1D|A|1E|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|1F|8|@]|D|@]|E|$]]|$1|I|3|J|5|6|7|1G|8|@]|D|@]|E|$]]|$1|K|3|L|5|6|7|1H|8|@]|D|@]|E|$]]|$1|M|3|N|5|O|7|1I|8|@]|D|@]|E|$]]|$1|P|3|Q|5|R|7|1J|8|@]|D|@]|E|$S|T]]|$1|U|3|V|5|O|7|1K|8|@$9|1L|A|1M|B|C]]|D|@]|E|$]]|$1|W|3|X|5|R|7|1N|8|@]|D|@]|E|$S|T]]|$1|Y|3|Z|5|O|7|1O|8|@$9|1P|A|1Q|B|C]]|D|@]|E|$]]|$1|10|3|11|5|R|7|1R|8|@]|D|@]|E|$S|T]]|$1|12|3|13|5|O|7|1S|8|@$9|1T|A|1U|B|C]]|D|@]|E|$]]|$1|14|3|15|5|R|7|1V|8|@]|D|@]|E|$S|T]]|$1|16|3|17|5|6|7|1W|8|@$9|1X|A|1Y|B|C]]|D|@]|E|$]]|$1|18|3|19|5|6|7|1Z|8|@$9|20|A|21|B|C]]|D|@]|E|$]]|$1|1A|3|-4|5|6|7|22|8|@]|D|@]|E|$]]]|1B|$]]

I had a similar problem, in my compute host i can see in the: journalctl -xfu neutron-linuxbridge-agent
<blockquote>
Interface eth12 for physical network flat does not exist. Agent terminated!
</blockquote>
My linuxbridge agent service was always restarting.
In this case, i was need to create the virtual devices veth file. My solution was:
<ol>
<li>vim /etc/systemd/network/25-veth-br-vlan-eth12.netdev</li>
</ol>
<pre><code>[NetDev]
Name=eth12
Kind=veth
[Peer]
Name=br-vlan-veth
</code></pre>
<ol start="2">
<li>And adding veth config in netplan file: vim /etc/netplan/00-installer-config.yaml</li>
</ol>
<pre><code> ethernets:
 eno1:
 dhcp4: no
 mtu: 1500
 eno2:
 dhcp4: no
 mtu: 1500
 br-vlan-veth: {}
 eth12: {}
</code></pre>
<ol start="3">
<li>Apply netplan config:</li>
</ol>
<pre><code>netplan apply
</code></pre>
<ol start="4">
<li>Restart linuxbridge agent service:</li>
</ol>
<pre><code>systemctl restart neutron-linuxbridge-agent
</code></pre>
PS: I needed to create the veth devices in all hosts using linuxbridge agent, like controller nodes and compute nodes.
If you are using OVS instead linuxbridge, this solution don't make sense to you, but can help someone that use linuxbridge.

blocks|key|1580341|text|我有这个问题，反亲和力才是问题所在。我没有足够的资源在两个主机服务器上，完全是足够的资源，但每个主机没有分开。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1580342|/var/log/kolla/nova/nova-conductor.log:2022-10-12+09:10:51.047+18+nova.scheduler.utils+req-e374e3f1-9c8b-477a-8c21-e84a34adc424+b9b1a508c5ee45ff82dd110fce67c263+b618f643ecc74ee6ab7a92ddcb62fac9+-来自上一主机的默认错误:+krpan-node4.iskratel.cloud+(节点krpan-node4.iskratel.cloud)：u‘’Traceback(最近一次调用)：\n‘，u’File+"/var/lib/kolla/venv/lib/python2.7/site-packages/nova/compute/manager.py"，行2056，在_do_build_and_run_instance\n+filter_properties，request_spec)\n‘中，u’File+filter_properties第2347行，在_build_and_run_instance\n+instance_uuid=instance.uuid，reason=six.text_type(E)中)\n‘，异常:重新计划构建实例4bcd776a-8848-4d94-a3cf-bc1+ef6a72f0e:构建实例4bcd776a-8848-4d94-a3cf-bc1ef72f0e被重新调度:违反了反亲和实例组策略。|1580343|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

I had this problem and anti-affinity was the problem. I had not enough resources on 2 host servers, totally was enough resources but separate per host no.
/var/log/kolla/nova/nova-conductor.log:2022-10-12 09:10:51.047 18 ERROR nova.scheduler.utils [req-e374e3f1-9c8b-477a-8c21-e84a34adc424 b9b1a508c5ee45ff82dd110fce67c263 b618f643ecc74ee6ab7a92ddcb62fac9 - default default] [instance: 4bcd776a-8848-4d94-a3cf-bc1ef6a72f0e] Error from last host: krpan-node4.iskratel.cloud (node krpan-node4.iskratel.cloud): [u'Traceback (most recent call last):\n', u' File &quot;/var/lib/kolla/venv/lib/python2.7/site-packages/nova/compute/manager.py&quot;, line 2056, in _do_build_and_run_instance\n filter_properties, request_spec)\n', u' File &quot;/var/lib/kolla/venv/lib/python2.7/site-packages/nova/compute/manager.py&quot;, line 2347, in _build_and_run_instance\n instance_uuid=instance.uuid, reason=six.text_type(e))\n', u'RescheduledException: Build of instance 4bcd776a-8848-4d94-a3cf-bc1ef6a72f0e was re-scheduled: Build of instance 4bcd776a-8848-4d94-a3cf-bc1ef6a72f0e was re-scheduled: Anti-affinity instance group policy was violated.\n']

<a href="https://i.stack.imgur.com/9Ygtw.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/9Ygtw.jpg" alt="enter image description here" /></a>
I'm new to open stack , and when I try to create instance it gives me this error:
<blockquote>
[Error : Exceeded maximum number of retries. Exhausted all hosts
available for retrying build failures for instance
57100c2f-a290-4165-b4c0-ba2202cfb728.]
</blockquote>

Failed to create openStack instance

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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​我刚开始打开堆栈，当我尝试创建实例时，它会给出以下错误：错误:超过了重试的最大次数。耗尽了所有可用于重试构建失败的主机，例如57100c2f-A 290-4165-b4c0-ba2202cfb728。

问创建openStack实例失败
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