在虛擬機器上安裝 Oracle 11g RAC 過程中遇 SCAN Name 配置錯誤的處理辦法

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 日誌報錯如下：

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

搜了一下發現老楊(yangtingkun)的文章中也提到了這個錯誤：
F:RHEL5.532oracle_patchyangtingkun 安裝Oracle11_2 RAC for Solaris10 sparc64（二）.mht
老楊在文章的最後提到：
導致這個錯誤的原因是在/etc/hosts中配置了SCAN的地址，嘗試ping這個地址資訊，如果可以成功，則這個錯誤可以忽略。
我嘗試ping scan ip可以ping通，所以暫時也就忽略了這個錯誤。