vm+solaris+crs报“虚拟主机名似乎已分配”的错误，无法安装crs

vm+solaris+crs报“虚拟主机名似乎已分配”的错误，无法安装crs
vm+solaris10＋crs报“虚拟主机名RAC1-VIP似乎已分配”的错误，无法安装crs。
再网上搜了下，也没有找到答案，请做过的同志看看。下面是其中一台的配置信息：
bash-3.00$ more /etc/host*
::::::::::::::
/etc/hostname.e1000g0
::::::::::::::
RAC1
::::::::::::::
/etc/hostname.e1000g1
::::::::::::::
rac_priv_host1
::::::::::::::
/etc/hosts
::::::::::::::
#
# Internet host table
#
127.0.0.1       localhost
172.0.0.5       RAC1    loghost
172.0.0.15      RAC2
172.0.0.6       RAC1-VIP
172.0.0.16      RAC2-VIP
192.168.0.5     rac_priv_host1
192.168.0.15    rac_priv_host2
::::::::::::::
/etc/hosts.equiv
::::::::::::::
RAC1.prc.sun.com oracle
RAC2.prc.sun.com oracle
RAC1 oracle
RAC2 oracle<oracle:RAC1>rsh RAC2 date
Thu Jan 19 02:12:12 CST 2006
<oracle:RAC1>rsh RAC2 hostname
RAC2bash-3.00# ifconfig -a
lo0: flags=2001000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4,VIRTUAL> mtu 8232 index 1
        inet 127.0.0.1 netmask ff000000
e1000g0: flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4> mtu 1500 index 2
        inet 172.0.0.5 netmask ffffff00 broadcast 172.0.0.255
        ether 0:c:29:92:3b:56
e1000g0:1: flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4> mtu 1500 index 2
        inet 172.0.0.6 netmask ffffff00 broadcast 172.0.0.255
e1000g1: flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4> mtu 1500 index 3
        inet 192.168.0.5 netmask ffffff00 broadcast 192.168.0.255
        ether 0:c:29:92:3b:60
bash-3.00# netstat -rnRouting Table: IPv4
  Destination           Gateway           Flags  Ref   Use   Interface
-------------------- -------------------- ----- ----- ------ ---------
192.168.0.0          192.168.0.5          U         1      0  e1000g1
172.0.0.0            172.0.0.5            U         1      0  e1000g0
172.0.0.0            172.0.0.6            U         1      0  e1000g0:1
127.0.0.1            127.0.0.1            UH       20    114  lo0
bash-3.00#