我的/etc/hosts一开始是这么配置的 192.168.0.7 ibmsrv_server 192.168.0.8 ibmsrv1_boot ibmsrv1 192.168.1.8 ibmsrv1_iscsi 192.168.2.8 ibmsrv1_standby 192.168.0.9 ibmsrv2_boot ibmsrv2 192.168.1.9 ibmsrv2_iscsi 192.168.2.9 ibmsrv2_standby .rhost这个文件是定义主机名了?还是定义IP了? ibmsrv_server 192.168.0.8 ibmsrv1_boot ibmsrv1 192.168.1.8 ibmsrv1_iscsi 192.168.2.8 ibmsrv1_standby 192.168.0.9 ibmsrv2_boot ibmsrv2 192.168.1.9 ibmsrv2_iscsi 192.168.2.9 ibmsrv2_standby 但是在配置的过程遇到这个问题的时候 Command: failed stdout: yes stderr: no Before command completion, additional instructions may appear below. ERROR: Unable to use communication interface 'ibmsrv1_boot'. ERROR: Unable to use communication interface 'ibmsrv2_boot'. 我就去查找了一下,网上有人说在/etc/hosts定义主机名的时候不能用"_"这个,但是今天在看官方文档的时候也发现人家是这么定义的 The related entries in the /etc/hosts file would be similar to the following: Planning 27 100.100.50.1 net1_en0 100.100.60.1 net2_en1 这里面也含有"_",所以求大家解释一下到底能不能用"_"定义主机名呢?