informix HDR 信任关系报错

搭建HDR的测试环境

os   centos6  64bit
db  informix11.5

主机测试
[informix@primary ~]$ rsh primary date
Fri Jan 24 00:19:01 CST 2014
[informix@primary ~]$ rsh standby date
Fri Jan 24 00:08:03 CST 2014
[informix@primary ~]$

备机测试
[informix@standby ~]$ rsh primary date
Fri Jan 24 00:19:30 CST 2014
[informix@standby ~]$ rsh standby date
Fri Jan 24 00:08:31 CST 2014
[informix@standby ~]$

HDR报错信息
23:57:06 DR: new type = secondary, primary server name = primary
23:57:06 DR: Trying to connect to primary server = primary
23:57:06 DR: Cannot connect to primary server
23:57:06 DR: Turned off on secondary server
23:58:19 DR: Secondary to Secondary
23:58:19 DR: new type = secondary, primary server name = primary
23:58:19 DR: Trying to connect to primary server = primary
23:58:20 listener-thread: err = -956: oserr = 0: errstr = informix@primary: Client host or user informix@primary is not trusted by the server.

rsh和ssh都配置通了，为啥还报信任问题？望高手赐教！