同事在arm上测试19c部署时，发截图给我说dbca建库有告警，无法进行，

Cause- OS Authentication might be disabled for this database (orcl).  
Action Specify a valid sysdba user name and password to connect to the database.

查找到的问题点是：oracle不在dba组内

处理办法：

[root@db ~]# id oracle
uid=1502(oracle) gid=501(oinstall) groups=501(oinstall),54323(oper)
[root@db ~]#   more /etc/group|grep
dba:x:502:
[root@db ~]# usermod -a -G dba oracle
[root@db ~]# id oracle
uid=1502(oracle) gid=501(oinstall) groups=501(oinstall),502(dba),54323(oper)
[root@db ~]# more /etc/group|grep dba
dba:x:502:oracle