PRVF-4664 : Found inconsistent name resolution entries for SCAN name ..
Oracle 12.1.0.2 RAC 安装完 GI , 到最后 Oracle Cluster Verification Utility post check 时报错 (提示是警告):
PRVF-4664 : Found inconsistent name resolution entries for SCAN name "ft101scan12c.hh.com"
PRVF-4664 : Found inconsistent name resolution entries for SCAN name "ft101scan12c.hh.com"
PRVF-4664 : Found inconsistent name resolution entries for SCAN name "ft101scan12c.hh.com"
Cluster verification check failed on nodes : ft101db15,ft101db14,ft101db13
This test verifies the Single Client Access Name configuration
因为申请的 DNS 还没有实施， 来不及了才 将 SCAN Name 和对应的三个IP 是写在 /etc/hosts 中的 。
查询文档 887471.1
Cause
Cause 1. SCAN name is resolved by hosts file instead of DNS or GNS, this could happen even you list all SCAN IP(s) in hosts file
Solution
For cause 1: Oracle strongly recommend to use DNS or GNS for SCAN name resolution as hosts file support only one IP for SCAN name.
If you intended to use hosts file for SCAN name resolution, and ping command returns correct SCAN VIP, you can ignore the error and move forward.
Oracle建议采用DNS或GNS, 如果采用/etc/hosts方式的话, 只支持一个SCAN NAME 和一个SCAN IP , 如果ping SCAN NAME 能返回正确SCAN IP 的话, 报错可以忽略。
后来及时开通了DNS ， 因为ORACLE LINUX 默认先识别 DNS, 然后是本地hosts, 重新retry 后， 警告信息没有了。
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