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select name,log_mode from v$database;
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archive log list£»(¸Ã·½·¨ÐèÒªas sysdba)
SQL> archive log list
Database log mode ¡¡¡¡¡¡¡¡¡¡¡¡No Archive Mode
Automatic archival¡¡¡¡¡¡¡¡¡¡¡¡Disabled
Archive destination¡¡¡¡¡¡¡¡¡¡ /export/home/oracle/product/8.1.7/dbs/arch
Oldest online log sequence ¡¡ 28613
Current log sequence¡¡¡¡¡¡¡¡¡¡28615
SQL> SELECT NAME,LOG_MODE from V$DATABASE;
NAME¡¡¡¡¡¡¡¡LOG_MODE
--------¡¡¡¡------------
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1. SQL> alter system set log_archive_dest_1='location=/oracle/oracle10g/log/archive_log';
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SQL>alter system set log_archive_dest_2='location=/oracle/oracle10g/log2/archive_log';
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SQL> shutdown immediate
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SQL> startup mount;
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SQL> alter database archivelog;
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SQL> alter database open;
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SQL> alter system set log_archive_max_processes = 5;
SQL> alter system set log_archive_format = "archive_%t_%s_%r.log" scope=spfile;
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1£¬sqlplus "/ as sysdba" ÔÚDOSÃüÁîÐÐÏÂÔËÐнøÈëSQL¹ÜÀíÔ±²Ù×÷¿ØÖÆÌ¨¡£
2£¬shutdown immediate;  ¹Ø±ÕORACLEÊý¾Ý¿â¡£
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5£¬alter database open;  ´ò¿ªÊý¾Ý¿â¡£
6£¬archive log list; ²é¿´ÊÇ·ñ¿ªÆôÁ˹鵵ģʽ
7£¬archive log start£¨stop£©;   ¿ªÆô£¨Í£Ö¹£©¹éµµÄ£Ê½¡£
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