oracle之安装data gaurd集群

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开启归档日志：

shutdown immediate;

startup mount;

alter database archivelog;

alter database open;

archive log list

# 更改归档目录路径log_archive_dest_n
alter system set log_archive_dest_1='location=D:\software\arch1\';

#手动切换日志
alter system switch logfile;

关闭归档日志：

shutdown immediate;
startup mount;
alter database noarchivelog;
alter database open;

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