导致这个错误的原因是在/etc/hosts中配置了SCAN的地址，尝试ping这个地址信息，如果可以成功，则这个错误可以忽略。我尝试ping s
Cause?-?The plug-in failed in its perform method
Action?-?Refer to the logs or contact Oracle Support Services.
Log File Location
/u01/app/oraInventory/logs/installActions2013-01-04_08-37-53PM.log
/u01/app/oraInventory/logs/installActions2013-01-04_08-37-53PM.log 日志报错如下：
INFO: Checking Single Client Access Name (SCAN)...
INFO: Checking name resolution setup for "rac_scan"...
INFO: ERROR:
INFO: PRVF-4664 : Found inconsistent name resolution entries for SCAN name "rac_scan"
INFO: ERROR:
INFO: PRVF-4657 : Name resolution setup check for "rac_scan" (IP address: 192.168.8.88) failed
INFO: ERROR:
INFO: PRVF-4664 : Found inconsistent name resolution entries for SCAN name "rac_scan"
INFO: Verification of SCAN VIP and Listener setup failed
搜了一下发现老杨(yangtingkun)的文章中也提到了这个错误：
F:RHEL5.532oracle_patchyangtingkun 安装Oracle11_2 RAC for Solaris10 sparc64（二）.mht
老杨在文章的最后提到：
导致这个错误的原因是在/etc/hosts中配置了SCAN的地址，尝试ping这个地址信息，如果可以成功，，则这个错误可以忽略。
我尝试ping scan ip可以ping通，所以暂时也就忽略了这个错误。
