-查看实例进程看是否有归档的进程 [oracle@edsir1p8-PROD4 ~]$ ps -ef | grep PROD4 SQL> archive log list; Database log mode No Archive Mode Automatic archival Disabled Archive destination /u01/app/oracle/product/11.2.0/db_1/dbs/archOldest online log sequence 6 Current log sequence 8 sql> show parameter log_archive --在mount状态下做 --关闭数据库 SQL> shutdown immediate ---必须是immediate 一至性关闭数据库 SQL> startup mount SQL> alter system set log_archive_dest_1='location=/home/oracle/arch'; ---目录提前创建好 SQL> alter database archivelog; Database altered. SQL> alter database open; Database altered. SQL> archive log list; Database log mode Archive Mode Automatic archival Enabled Archive destination /home/oracle/arch Oldest online log sequence 6 Next log sequence to archive 8 Current log sequence 8 --生成归档(需要切redo日志) QL> select group#,member from v$logfile; GROUP# ---------- MEMBER ----------------------------------------------------------------------------- 3 /u01/app/oracle/oradata/PROD4/PROD4/redo03.log 2 /u01/app/oracle/oradata/PROD4/PROD4/redo02.log 1 /u01/app/oracle/oradata/PROD4/PROD4/redo01.log SQL> select group#,status from v$log; GROUP# STATUS ---------- ---------------- 1 INACTIVE 2 CURRENT 3 INACTIVE --切redo SQL> alter system switch logfile; System altered. SQL> select group#,status from v$log; GROUP# STATUS ---------- ---------------- 1 INACTIVE 2 INACTIVE 3 CURRENT --三种状态 current :当前用的 active :正在归档时的状态, inactive:归档完毕,不用的状态 --查看归档目录下生成的归档文件 [oracle@edsir1p8-PROD4 ~]$ ls /home/oracle/arch/ 1_8_861102502.dbf [oracle@edsir1p8-PROD4 ~]$ ps -ef | grep PROD4 oracle 8551 1 0 10:29 ? 00:00:00 ora_arc0_PROD4 oracle 8554 1 0 10:29 ? 00:00:00 ora_arc1_PROD4 oracle 8556 1 0 10:29 ? 00:00:00 ora_arc2_PROD4 oracle 8558 1 0 10:29 ? 00:00:00 ora_arc3_PROD4
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