OpenStack 服务状态检查
openstack服务不正常使用命令
# nova-manage service list
Binary Host Zone Status State Updated_At
nova-cert node-5.domain.tld internal enabled :-) 2014-11-17 09:18:09
nova-consoleauth node-5.domain.tld internal enabled :-) 2014-11-17 09:18:06
nova-conductor node-5.domain.tld internal enabled :-) 2014-11-17 09:18:00
nova-scheduler node-5.domain.tld internal enabled :-) 2014-11-17 09:18:04
nova-cert node-9.domain.tld internal enabled :-) 2014-11-17 09:18:03
nova-consoleauth node-9.domain.tld internal enabled :-) 2014-11-17 09:18:07
nova-scheduler node-9.domain.tld internal enabled :-) 2014-11-17 09:18:09
nova-conductor node-9.domain.tld internal enabled :-) 2014-11-17 09:18:08
nova-cert node-10.domain.tld internal enabled :-) 2014-11-17 09:18:08
nova-consoleauth node-10.domain.tld internal enabled :-) 2014-11-17 09:18:05
nova-scheduler node-10.domain.tld internal enabled :-) 2014-11-17 09:18:07
nova-conductor node-10.domain.tld internal enabled :-) 2014-11-17 09:18:04
nova-compute node-12.domain.tld nova enabled XXX 2014-11-10 18:32:30
nova-network node-12.domain.tld internal enabled :-) 2014-11-17 09:18:06
nova-console node-10.domain.tld internal enabled :-) 2014-11-17 09:18:09
nova-console node-5.domain.tld internal enabled :-) 2014-11-17 09:18:03
nova-network node-14.domain.tld internal enabled :-) 2014-11-17 09:18:07
nova-compute node-14.domain.tld nova enabled :-) 2014-11-17 09:18:01 我们必须保证里面所有的服务State都是:-),我们看到有一个服务nova-compute不正常，所以查找原因。
在计算节点
# ps auxf | grep compute
root 227220.00.0 103236 824 pts/4 S+ 09:35 0:00 \_ grep compute
166 160449.50.4 715464 398084 ? S Nov13 575:51 /usr/bin/python /usr/bin/ceilometer-agent-compute --logfile /var/log/ceilometer/compute.log
nova 146212.30.0 1971540 64228 ? Sl 09:17 0:24 /usr/bin/python /usr/bin/nova-compute --logfile /var/log/nova/compute.log
# netstat -p | grep 14621
tcp 0 0 node-14:44787 node-5:jms ESTABLISHED 14621/python
tcp 0 0 node-14:44789 node-5:jms ESTABLISHED 14621/python
tcp 0 0 node-14:44788 node-5:jms ESTABLISHED 14621/python
unix3 [ ] STREAM CONNECTED 25541768 14621/python
unix2 [ ] DGRAM 25541753 14621/python 0859/python 可以看到，compute服务会想node-5节点的jms端口发起请求。 这里我们就可以找到是rabbitmq的服务不正常，重启该服务。启动计算节点的nova-compute服务。
全部up正常状态
# nova service-list
+------------------+--------------------+----------+---------+-------+----------------------------+-----------------+
| Binary | Host | Zone | Status| State | Updated_at | Disabled Reason |
+------------------+--------------------+----------+---------+-------+----------------------------+-----------------+
| nova-cert | node-5.domain.tld| internal | enabled | up | 2014-11-17T09:42:11.000000 | None |
| nova-consoleauth | node-5.domain.tld| internal | enabled | up | 2014-11-17T09:42:08.000000 | None |
| nova-conductor | node-5.domain.tld| internal | enabled | up | 2014-11-17T09:42:02.000000 | None |
| nova-scheduler | node-5.domain.tld| internal | enabled | up | 2014-11-17T09:42:08.000000 | None |
| nova-cert | node-9.domain.tld| internal | enabled | up | 2014-11-17T09:42:09.000000 | None |
| nova-consoleauth | node-9.domain.tld| internal | enabled | up | 2014-11-17T09:42:12.000000 | None |
| nova-scheduler | node-9.domain.tld| internal | enabled | up | 2014-11-17T09:42:03.000000 | None |
| nova-conductor | node-9.domain.tld| internal | enabled | up | 2014-11-17T09:42:11.000000 | None |
| nova-cert | node-10.domain.tld | internal | enabled | up | 2014-11-17T09:42:05.000000 | None |
| nova-consoleauth | node-10.domain.tld | internal | enabled | up | 2014-11-17T09:42:09.000000 | None |
| nova-scheduler | node-10.domain.tld | internal | enabled | up | 2014-11-17T09:42:11.000000 | None |
| nova-conductor | node-10.domain.tld | internal | enabled | up | 2014-11-17T09:42:08.000000 | None |
| nova-compute | node-12.domain.tld | nova | enabled | up | 2014-11-17T09:42:07.000000 | None |
| nova-network | node-12.domain.tld | internal | enabled | up | 2014-11-17T09:42:09.000000 | None |
| nova-console | node-10.domain.tld | internal | enabled | up | 2014-11-17T09:42:05.000000 | None |
| nova-console | node-5.domain.tld| internal | enabled | up | 2014-11-17T09:42:08.000000 | None |
| nova-network | node-14.domain.tld | internal | enabled | up | 2014-11-17T09:42:09.000000 | None |
| nova-compute | node-14.domain.tld | nova | enabled | up | 2014-11-17T09:42:12.000000 | None |
+------------------+--------------------+----------+---------+-------+----------------------------+-----------------+
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