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【OracleDatabase】数据库日志管理-创新互联

查询日志文件 SQL> col member for a50 SQL> select group#,status,type,member from v$logfile order by group#;     GROUP# STATUS  TYPE    MEMBER ---------- ------- ------- --------------------------------------------------          1         ONLINE  /u01/app/oracle/oradata/wallet/redo01.log          2         ONLINE  /u01/app/oracle/oradata/wallet/redo02.log          3         ONLINE  /u01/app/oracle/oradata/wallet/redo03.log 查询日志组 SQL> select group#,sequence#,members,bytes,status,archived from v$log;     GROUP#  SEQUENCE#    MEMBERS      BYTES STATUS           ARC ---------- ---------- ---------- ---------- ---------------- ---          1         25          1   52428800 INACTIVE         YES          2         26          1   52428800 INACTIVE         YES          3         27          1   52428800 CURRENT          NO 删除日志组1 SQL> alter database drop logfile group 1; Database altered. SQL> host rm -rf /u01/app/oracle/oradata/wallet/redo01.log 创建日志组1 SQL> alter database add logfile group 1 ('/u01/app/oracle/oradata/wallet/redo01a.log','/u01/app/oracle/oradata/wallet/redo01b.log') size 50M; Database altered. 删除日志组2 SQL> alter database drop logfile group 2; Database altered. SQL> host rm -rf /u01/app/oracle/oradata/wallet/redo02.log 创建日志组2 SQL> alter database add logfile group 2 ('/u01/app/oracle/oradata/wallet/redo02a.log','/u01/app/oracle/oradata/wallet/redo02b.log') size 50M; Database altered. 日志组切换 SQL> alter system switch logfile; System altered. 执行检查点 SQL> alter system checkpoint; System altered. 删除日志组3 SQL> alter database drop logfile group 3; Database altered. SQL> host rm -rf /u01/app/oracle/oradata/wallet/redo03.log 创建日志组3 SQL> alter database add logfile group 3 ('/u01/app/oracle/oradata/wallet/redo03a.log','/u01/app/oracle/oradata/wallet/redo03b.log') size 50M; Database altered. SQL> select group#,status,type,member from v$logfile order by group#;     GROUP# STATUS  TYPE    MEMBER ---------- ------- ------- --------------------------------------------------          1         ONLINE  /u01/app/oracle/oradata/wallet/redo01a.log          1         ONLINE  /u01/app/oracle/oradata/wallet/redo01b.log          2         ONLINE  /u01/app/oracle/oradata/wallet/redo02b.log          2         ONLINE  /u01/app/oracle/oradata/wallet/redo02a.log          3         ONLINE  /u01/app/oracle/oradata/wallet/redo03b.log          3         ONLINE  /u01/app/oracle/oradata/wallet/redo03a.log           SQL> select group#,sequence#,members,bytes,status,archived from v$log;     GROUP#  SEQUENCE#    MEMBERS      BYTES STATUS           ARC ---------- ---------- ---------- ---------- ---------------- ---          1         28          2   52428800 CURRENT          NO          2          0          2   52428800 UNUSED           YES          3          0          2   52428800 UNUSED           YES 增加日志文件 SQL>  alter database add logfile member '/u01/app/oracle/oradata/wallet/redo01c.log' to group 1, '/u01/app/oracle/oradata/wallet/redo02c.log' to group 2, '/u01/app/oracle/oradata/wallet/redo03c.log' to group 3; Database altered. SQL> select group#,status,type,member from v$logfile order by group#;     GROUP# STATUS  TYPE    MEMBER ---------- ------- ------- --------------------------------------------------          1         ONLINE  /u01/app/oracle/oradata/wallet/redo01b.log          1 INVALID ONLINE  /u01/app/oracle/oradata/wallet/redo01c.log          1         ONLINE  /u01/app/oracle/oradata/wallet/redo01a.log          2         ONLINE  /u01/app/oracle/oradata/wallet/redo02a.log          2         ONLINE  /u01/app/oracle/oradata/wallet/redo02b.log          2 INVALID ONLINE  /u01/app/oracle/oradata/wallet/redo02c.log          3         ONLINE  /u01/app/oracle/oradata/wallet/redo03a.log          3         ONLINE  /u01/app/oracle/oradata/wallet/redo03b.log          3 INVALID ONLINE  /u01/app/oracle/oradata/wallet/redo03c.log SQL> select group#,sequence#,members,bytes,status,archived from v$log;            GROUP#  SEQUENCE#    MEMBERS      BYTES STATUS           ARC ---------- ---------- ---------- ---------- ---------------- ---          1         28          3   52428800 CURRENT          NO          2          0          3   52428800 UNUSED           YES          3          0          3   52428800 UNUSED           YES           删除日志文件 SQL> alter database drop logfile member '/u01/app/oracle/oradata/wallet/redo03c.log'; Database altered. SQL> host rm -rf /u01/app/oracle/oradata/wallet/redo03c.log SQL>  alter database drop logfile member '/u01/app/oracle/oradata/wallet/redo02c.log'; Database altered. SQL> host rm -rf /u01/app/oracle/oradata/wallet/redo02c.log SQL> alter system switch logfile; System altered. SQL> alter system checkpoint; System altered. SQL>  alter database drop logfile member '/u01/app/oracle/oradata/wallet/redo01c.log'; Database altered. SQL> host rm -rf /u01/app/oracle/oradata/wallet/redo01c.log 移动日志文件 SQL> shutdown immediate Database closed. Database dismounted. ORACLE instance shut down. SQL> quit [oracle@wallet01 ~]$ cp /u01/app/oracle/oradata/wallet/redo01b.log /u02/app/oracle/oradata/wallet/redo01b.log [oracle@wallet01 ~]$ cp /u01/app/oracle/oradata/wallet/redo02b.log /u02/app/oracle/oradata/wallet/redo02b.log  [oracle@wallet01 ~]$ cp /u01/app/oracle/oradata/wallet/redo03b.log /u02/app/oracle/oradata/wallet/redo03b.log   [oracle@wallet01 ~]$ sqlplus / as sysdba SQL> startup mount ORACLE instance started. Total System Global Area 1068937216 bytes Fixed Size                  2260088 bytes Variable Size             335545224 bytes Database Buffers          725614592 bytes Redo Buffers                5517312 bytes Database mounted. SQL> alter database rename file '/u01/app/oracle/oradata/wallet/redo01b.log' to '/u02/app/oracle/oradata/wallet/redo01b.log'; Database altered. SQL> alter database rename file '/u01/app/oracle/oradata/wallet/redo02b.log' to '/u02/app/oracle/oradata/wallet/redo02b.log'; Database altered. SQL> alter database rename file '/u01/app/oracle/oradata/wallet/redo03b.log' to '/u02/app/oracle/oradata/wallet/redo03b.log'; Database altered. SQL> alter database open; Database altered. SQL> select group#,status,type,member from v$logfile order by group#;     GROUP# STATUS  TYPE    MEMBER ---------- ------- ------- --------------------------------------------------          1         ONLINE  /u01/app/oracle/oradata/wallet/redo01a.log          1         ONLINE  /u02/app/oracle/oradata/wallet/redo01b.log          2         ONLINE  /u02/app/oracle/oradata/wallet/redo02b.log          2         ONLINE  /u01/app/oracle/oradata/wallet/redo02a.log          3         ONLINE  /u02/app/oracle/oradata/wallet/redo03b.log          3         ONLINE  /u01/app/oracle/oradata/wallet/redo03a.log

在铁门关等地区，都构建了全面的区域性战略布局，加强发展的系统性、市场前瞻性、产品创新能力，以专注、极致的服务理念，为客户提供成都网站制作、成都网站设计、外贸营销网站建设 网站设计制作按需策划设计,公司网站建设,企业网站建设,品牌网站制作,全网整合营销推广,外贸营销网站建设,铁门关网站建设费用合理。SQL> select dbid,name,log_mode from v$database;       DBID NAME      LOG_MODE ---------- --------- ------------ 3215665862 WALLET    NOARCHIVELOG SQL> archive log list; Database log mode              No Archive Mode Automatic archival             Disabled Archive destination            ?/dbs/arch Oldest online log sequence     28 Current log sequence           29 SQL> shutdown immediate Database closed. Database dismounted. ORACLE instance shut down. SQL> startup mount ORACLE instance started. Total System Global Area 1068937216 bytes Fixed Size                  2260088 bytes Variable Size             335545224 bytes Database Buffers          725614592 bytes Redo Buffers                5517312 bytes Database mounted. SQL> alter system set log_archive_dest_1='LOCATION=/u01/app/oracle/archive01/ mandatory'; System altered. SQL> alter system set log_archive_dest_2='LOCATION=/u02/app/oracle/archive02/ optional'; System altered. SQL> alter database archivelog; Database altered. SQL> alter database open; Database altered. SQL> select dbid,name,log_mode from v$database;       DBID NAME      LOG_MODE ---------- --------- ------------ 3215665862 WALLET    ARCHIVELOG SQL> archive log list; Database log mode              Archive Mode Automatic archival             Enabled Archive destination            /u02/app/oracle/archive02/ Oldest online log sequence     28 Next log sequence to archive   29 Current log sequence           29 SQL> show parameter log_archive_dest_1; NAME                                 TYPE                              VALUE ------------------------------------ --------------------------------- ------------------------------ log_archive_dest_1                   string                            LOCATION=/u01/app/oracle/archi                                                                        ve01/ mandatory                                                                        SQL> show parameter log_archive_dest_2; NAME                                 TYPE                              VALUE ------------------------------------ --------------------------------- ------------------------------ log_archive_dest_2                   string                            LOCATION=/u02/app/oracle/archi                                                                        ve02/ optional SQL> show parameter log_archive_max NAME                                 TYPE                              VALUE ------------------------------------ --------------------------------- ------------------------------ log_archive_max_processes            integer                           4 SQL> show parameter log_archive_min_succeed_dest NAME                                 TYPE                              VALUE ------------------------------------ --------------------------------- ------------------------------ log_archive_min_succeed_dest         integer                           1 SQL> show parameter log_archive_format NAME                                 TYPE                              VALUE ------------------------------------ --------------------------------- ------------------------------ log_archive_format                   string                            %t_%s_%r.dbf 手动归档日志文件 SQL> alter system archive log current; System altered. 归档目的地 SQL> set line 200 SQL> col dest_name for a30 SQL> col destination for a30 SQL> select dest_name,status,binding,destination from v$archive_dest; DEST_NAME                      STATUS                      BINDING                     DESTINATION ------------------------------ --------------------------- --------------------------- ------------------------------ LOG_ARCHIVE_DEST_1             VALID                       MANDATORY                   /u01/app/oracle/archive01/ LOG_ARCHIVE_DEST_2             VALID                       OPTIONAL                    /u02/app/oracle/archive02/ LOG_ARCHIVE_DEST_3             INACTIVE                    OPTIONAL LOG_ARCHIVE_DEST_4             INACTIVE                    OPTIONAL LOG_ARCHIVE_DEST_5             INACTIVE                    OPTIONAL LOG_ARCHIVE_DEST_6             INACTIVE                    OPTIONAL LOG_ARCHIVE_DEST_7             INACTIVE                    OPTIONAL LOG_ARCHIVE_DEST_8             INACTIVE                    OPTIONAL LOG_ARCHIVE_DEST_9             INACTIVE                    OPTIONAL LOG_ARCHIVE_DEST_10            INACTIVE                    OPTIONAL LOG_ARCHIVE_DEST_11            INACTIVE                    OPTIONAL 归档进程 SQL> select * from v$archive_processes;    PROCESS STATUS                         LOG_SEQUENCE STATE ---------- ------------------------------ ------------ ------------          0 ACTIVE                                    0 IDLE          1 ACTIVE                                    0 IDLE          2 ACTIVE                                    0 IDLE          3 ACTIVE                                    0 IDLE          4 STOPPED                                   0 IDLE          5 STOPPED                                   0 IDLE          6 STOPPED                                   0 IDLE          7 STOPPED                                   0 IDLE          8 STOPPED                                   0 IDLE          9 STOPPED                                   0 IDLE         10 STOPPED                                   0 IDLE          归档日志文件 SQL> set line 200 SQL> col name for a50 SQL> col status for a10 SQL> select dest_id,name,sequence#,status from v$archived_log;    DEST_ID Tablespace Name                                     SEQUENCE# Status ---------- -------------------------------------------------- ---------- ----------          1 /u01/app/oracle/archive01/1_29_1007721545.dbf              29 A          2 /u02/app/oracle/archive02/1_29_1007721545.dbf              29 A          1 /u01/app/oracle/archive01/1_30_1007721545.dbf              30 A          2 /u02/app/oracle/archive02/1_30_1007721545.dbf              30 A          1 /u01/app/oracle/archive01/1_31_1007721545.dbf              31 A          2 /u02/app/oracle/archive02/1_31_1007721545.dbf              31 A          1 /u01/app/oracle/archive01/1_32_1007721545.dbf              32 A          2 /u02/app/oracle/archive02/1_32_1007721545.dbf              32 A

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