Oracle 11gR2 RAC installation reports [INS-20802] (PRVF-5436) Error

Source: Internet
Author: User

When Oracle 11gR2 11.2.0.2 RAC is installed on Linux today, the following error is reported.

By querying the log file content, the following prompt is displayed:

 
 
  1. INFO:   11rac2,11rac1 
  2. INFO: PRVF-5436 : The NTP daemon running on one or more nodes lacks the slewing option "-x" 
  3. INFO: Clock synchronization check using Network Time Protocol(NTP) failed 
  4. INFO: PRVF-9652 : Cluster Time Synchronization Services check failed 

It turned out that the NTP service was started and the-X parameter was not added. Add this parameter. Different parameter systems use different methods. The following is the LINUX method.

To the/etc/sysconfig/directory

 
 
  1. root@node01 sysconfig]# cat ntpd 
  2. # Drop root to id ‘ntp:ntp’ by default.  Requires kernel >= 2.2.18. 
  3. OPTIONS="-x -u ntp:ntp -p /var/run/ntpd.pid" 

Restart the ntp service.

Go to the RAC installation page and click "Re-check.

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