数据库升级方法详解
1. 数据库升级前的准备工作
1.1 初始化参数设置
在为主数据库准备初始化参数时,同时也为备用数据库创建参数。以下是相关参数设置:
*.db_file_name_convert=’/u01/app/oracle/oradata/db12c/’,’/u01/app/oracle/oradata/db11g/’
*.log_file_name_convert=’/u01/app/oracle/oradata/db12c/’,’/u01/app/oracle/oradata/db11g/’
*.log_archive_config=’dg_config=(db11g,db12c)’
*.log_archive_dest_1=’location=use_db_recovery_file_dest valid_for=(online_logfile,all_roles) db_unique_name=db12c’
*.log_archive_dest_2=’service=”db11g” LGWR ASYNC db_unique_name=”db11g” valid_for=(online_logfile,primary_role)’
*.log_archive_dest_state_1=’enable’
*.log_archive_dest_state_2=’enable’
*.db_file_name_convert=’/u01/app/oracle/oradata/db11g’,’/u01/app/oracle/oradata/db12c’
*.log_file_name_convert=’/u01/a