1、将数据库启动到mount状态。sqlplus /nologconn /as sysdbastartup mount;
2、将趵驽艽箬归档日志指向其它地方存储alter system set DB_RECOVERY_FILE_DEST='';alter system set log_archive_dest='/u01/app/oracle19c/archivelog' scope=both;
3、将数据库打开都open状态alter database open;
4、检查数据库状态select STATUS from v$instance;select open_mode from v$database;
5、切换日志文件，检查是否能正常归档到指定路径。alter system switch logfile;
6、检查alert日志文件tail -n200 -f /u01/app/oracle19c/diag/rdbms/orcl19c/orcl19c/trace/alert_orcl19c.log
