rac节点的服务器型号不同,RAC安装过程中遇到的每台服务器上多路径不一致问题...

在CENTOS6.4 X86-64下安装4节点的rac。在配置磁盘阵列多路径时发现如下问题：

A机上：

mpatha-----dm-1--------wwid1

mpathb-----dm-3--------wwid2

mpathc-----dm-2--------wwid3

B机上：

mpatha-----dm-2--------wwid1

mpathb-----dm-1--------wwid2

mpathc-----dm-3--------wwid3

其他2台服务器上也是很乱，就是说两台机器上相同名字的dm-x对应的却不是同一个wwid，而两台机器上的同一个mpthx对应的也不是同一个dm-x。网上能够查到的配置多路径的方法都试了，还是不行。有人说使用udev，但是对这个东西确实不懂啊。

请DX帮忙看看怎么回事

附上一些信息：

A机：

mpathe (3600c0ff0001a12159b4c6f5201000000) dm-5 HP,P2000 G3 FC

size=1.9G features='0' hwhandler='0' wp=rw

`-+- policy='round-robin 0' prio=0 status=active

|- 2:0:0:3 sdd 8:48  active undef running

`- 3:0:0:3 sdj 8:144 active undef running

mpathd (3600c0ff0001a1215584c6f5201000000) dm-4 HP,P2000 G3 FC

size=1.9G features='0' hwhandler='0' wp=rw

`-+- policy='round-robin 0' prio=0 status=active

|- 2:0:0:2 sdc 8:32  active undef running

`- 3:0:0:2 sdi 8:128 active undef running

mpathc (3600c0ff0001a1215df4e6f5201000000) dm-2 HP,P2000 G3 FC

size=1.9T features='0' hwhandler='0' wp=rw

`-+- policy='round-robin 0' prio=0 status=active

|- 2:0:0:4 sde 8:64  active undef running

`- 3:0:0:4 sdk 8:160 active undef running

mpathb (3600c0ff0001a1215314c6f5201000000) dm-1 HP,P2000 G3 FC

size=1.9G features='0' hwhandler='0' wp=rw

`-+- policy='round-robin 0' prio=0 status=active

|- 2:0:0:1 sdb 8:16  active undef running

`- 3:0:0:1 sdh 8:112 active undef running

mpatha (3600c0ff0001a1144994f6f5201000000) dm-3 HP,P2000 G3 FC

size=1.1T features='0' hwhandler='0' wp=rw

`-+- policy='round-robin 0' prio=0 status=active

|- 2:0:0:0 sda 8:0   active undef running

`- 3:0:0:0 sdg 8:96  active undef running

B机：

mpathe (3600c0ff0001a1215df4e6f5201000000) dm-4 HP,P2000 G3 FC

size=1.9T features='1 queue_if_no_path' hwhandler='0' wp=rw

|-+- policy='round-robin 0' prio=0 status=active

| `- 2:0:0:4 sde 8:64  active undef running

`-+- policy='round-robin 0' prio=0 status=enabled

`- 3:0:0:4 sdk 8:160 active undef running

mpathd (3600c0ff0001a12159b4c6f5201000000) dm-3 HP,P2000 G3 FC

size=1.9G features='1 queue_if_no_path' hwhandler='0' wp=rw

|-+- policy='round-robin 0' prio=0 status=active

| `- 2:0:0:3 sdd 8:48  active undef running

`-+- policy='round-robin 0' prio=0 status=enabled

`- 3:0:0:3 sdj 8:144 active undef running

mpathc (3600c0ff0001a1215314c6f5201000000) dm-2 HP,P2000 G3 FC

size=1.9G features='1 queue_if_no_path' hwhandler='0' wp=rw

|-+- policy='round-robin 0' prio=0 status=active

| `- 2:0:0:1 sdb 8:16  active undef running

`-+- policy='round-robin 0' prio=0 status=enabled

`- 3:0:0:1 sdh 8:112 active undef running

mpathb (3600c0ff0001a1144994f6f5201000000) dm-1 HP,P2000 G3 FC

size=1.1T features='1 queue_if_no_path' hwhandler='0' wp=rw

|-+- policy='round-robin 0' prio=0 status=active

| `- 3:0:0:0 sdg 8:96  active undef running

`-+- policy='round-robin 0' prio=0 status=enabled

`- 2:0:0:0 sda 8:0   active undef running

mpathf (3600c0ff0001a1215584c6f5201000000) dm-5 HP,P2000 G3 FC

size=1.9G features='1 queue_if_no_path' hwhandler='0' wp=rw

|-+- policy='round-robin 0' prio=0 status=active

| `- 2:0:0:2 sdc 8:32  active undef running

`-+- policy='round-robin 0' prio=0 status=enabled

`- 3:0:0:2 sdi 8:128 active undef running