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From "BERIDE" <ber...@qq.com>
Subject 回复: 求助,创建VM失败,错误Resource [Host:5] is unreachable
Date Wed, 03 Apr 2013 01:34:00 GMT
谢谢回复,我测试了网络情况,


三个host都是畅通的,面板上host也是up状态,所以我以为网络和agent都是运行的,我还每个虚拟机都查看了一下都在运行。可以证明网络和agent畅通么?
网络情况:
root@management:/var/log/cloud/management# vi management-server.log
root@management:/var/log/cloud/management# ping 10.0.0.95
PING 10.0.0.95 (10.0.0.95) 56(84) bytes of data.
64 bytes from 10.0.0.95: icmp_req=1 ttl=64 time=0.146 ms
^C
--- 10.0.0.95 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.146/0.146/0.146/0.000 ms
root@management:/var/log/cloud/management# ping 10.0.0.97
PING 10.0.0.97 (10.0.0.97) 56(84) bytes of data.
64 bytes from 10.0.0.97: icmp_req=1 ttl=64 time=0.243 ms
64 bytes from 10.0.0.97: icmp_req=2 ttl=64 time=0.219 ms
^C
--- 10.0.0.97 ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1000ms
rtt min/avg/max/mdev = 0.219/0.231/0.243/0.012 ms
root@management:/var/log/cloud/management# ping 10.0.0.98
PING 10.0.0.98 (10.0.0.98) 56(84) bytes of data.
64 bytes from 10.0.0.98: icmp_req=1 ttl=64 time=0.151 ms
\64 bytes from 10.0.0.98: icmp_req=2 ttl=64 time=0.141 ms
64 bytes from 10.0.0.98: icmp_req=3 ttl=64 time=0.153 ms
^Z
[1]+  Stopped                 ping 10.0.0.98
root@management:/var/log/cloud/management#



host面板 
ubuntunbcloudNBPoD1NBCloudCluster1Up
host2nbcloudNBPoD1NBCloudCluster1Up
host4.nbcloud.comnbcloudNBPoD1NBCloudCluster1Up

我是不是应该查看每个agent上的log?


------------------ 原始邮件 ------------------
发件人: "tanthalas"<tanthalas510@hotmail.com>;
发送时间: 2013年4月3日(星期三) 上午9:19
收件人: "users-cn"<users-cn@cloudstack.apache.org>; 

主题: Re: 求助,创建VM失败,错误Resource [Host:5] is unreachable



"unreachable"  "Unable to get answer" 
这种是状态检测出来的问题,与CS本身无关,一般是管理节点到host的通讯出现问题。
检查网络通断,
是kvm吗,检查一下agent运行是不是好的。


2013-04-03 
刘宇超  Richard Liu




发件人: BERIDE 
发送时间: 2013-04-03  08:57:01 
收件人: users-cn 
抄送: 
主题: 求助,创建VM失败,错误Resource [Host:5] is unreachable 
 
服务上已经运行了十几个VM,各个host和存储也都是在线状态,但是申请新的VM失败。查资料没有找到合适的原因。
 一般重启后会恢复。
  
  
 Resource [Host:5] is unreachable: Host 5: Unable to start instance due to Unable to get answer
that is of class com.cloud.agent.api.StartAnswer
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