{DB変更}アーカイブログ出力先を２箇所設定

https://docs.oracle.com/cd/F19136_01/admin/managing-archived-redo-log-files.html#GUID-9D577C54-A0BF-43E9-BB56-24A9BFCF4F26

mkdir -p /oradata/orcl/arc
mkdir -p /fra/orcl/arc

show parameter log

alter system set log_archive_dest_1='location=/oradata/orcl/arc';
alter system set log_archive_dest_2='location=/fra/orcl/arc';

show parameter log

!ls -l /oradata/orcl/arc
!ls -l /fra/orcl/arc

alter system archive log current;

!ls -l /oradata/orcl/arc
!ls -l /fra/orcl/arc