ERROR: User equivalence unavailable on all the nodes.

[J2Z12250719]

环境： redhat 5 上安装 oracle 10g 搭建RAC 环境
在安装 CRS 之前的 precheck 时

[root@node1 cluvfy]# ./runcluvfy.sh stage -pre crsinst -n node1,node2 -verbose

Checking user equivalence...

Check: User equivalence for user "root"
Node Name Comment
------------------------------------ ------------------------
node2 failed
node1 failed
Result: User equivalence check failed for user "root".

ERROR:
User equivalence unavailable on all the nodes.
Verification cannot proceed.


这个错误怎么解决呢 ？？？这是什么错误？？？什么意思？？？