求助日志报警 Unable to get current status on

Tue, 13 Jan 2015 03:14:30 -0800 

各位：
    我的安装环境是CS4.4+Xenserver6.2，在管理服务器日志里一直出现如下报警：
2015-01-13 19:09:51,980 WARN [c.c.a.m.DirectAgentAttache] 
(DirectAgentCronJob-161:ctx-1dd6f512) Unable to get current status on 
8(XS11-v61-Cnode02) 
2015-01-13 19:09:53,282 WARN [c.c.a.m.DirectAgentAttache] 
(DirectAgentCronJob-322:ctx-6ffe6f33) Unable to get current status on 
10(XS12-v61-Cnode03) 
2015-01-13 19:09:53,427 WARN [c.c.a.m.DirectAgentAttache] 
(DirectAgentCronJob-81:ctx-2685789c) Unable to get current status on 
9(XS13-v61-Cnode04) 
2015-01-13 19:09:53,475 WARN [c.c.a.m.DirectAgentAttache] 
(DirectAgentCronJob-323:ctx-80a02e56) Unable to get current status on 
4(XS11-Cnode01) 
2015-01-13 19:09:53,641 WARN [c.c.a.m.DirectAgentAttache] 
(DirectAgentCronJob-324:ctx-ec164ea1) Unable to get current status on 
1(XS14-Cnode04) 
2015-01-13 19:09:53,693 WARN [c.c.a.m.DirectAgentAttache] 
(DirectAgentCronJob-162:ctx-988405a3) Unable to get current status on 
3(XS12-Cnode02) 
2015-01-13 19:09:54,161 WARN [c.c.a.m.DirectAgentAttache] 
(DirectAgentCronJob-18:ctx-97e76e08) Unable to get current status on 
5(XS13-Cnode03)

不知道是什么原因，请问有哪位碰见过这种问题吗，怎么处理？

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