有关归档的一些操作 ps: --这个符号是解释 有颜色字体标示是需要注意的地方 [[email protected] ~]# su – oracle --设置一下ORACLE_SID [[email protected] ~]$ export ORACLE_SID=denver --查看一下denver实例是否启动 [[email protected] ~]$ ps -ef|grep oracle root 27264 6887 0 04:23 tty1 00:00:00 su - oracle oracle 27265 27264 0 04:23 tty1 00:00:00 -bash root 29670 29641 0 09:43 pts/1 00:00:00 su - oracle oracle 29671 29670 0 09:43 pts/1 00:00:00 -bash oracle 29754 1 0 09:50 ? 00:00:00/u01/app/oracle/product/11.2.0/db_1/bin/tnslsnr LISTENER -inherit root 29868 29807 0 10:00 pts/3 00:00:00 su - oracle oracle 29869 29868 0 10:00 pts/3 00:00:00 -bash oracle 30135 29869 0 10:30 pts/3 00:00:00 rlwrap sqlplus / as sysdba oracle 30136 30135 0 10:30 pts/2 00:00:00 sqlplus as sysdba oracle 30198 1 0 10:33 ? 00:00:00 ora_pmon_denver oracle 30200 1 0 10:33 ? 00:00:02 ora_vktm_denver oracle 30204 1 0 10:33 ? 00:00:00 ora_gen0_denver oracle 30206 1 0 10:33 ? 00:00:00 ora_diag_denver oracle 30208 1 0 10:33 ? 00:00:00 ora_dbrm_denver oracle 30210 1 0 10:33 ? 00:00:00 ora_psp0_denver oracle 30212 1 0 10:33 ? 00:00:01 ora_dia0_denver oracle 30214 1 0 10:33 ? 00:00:02 ora_mman_denver oracle 30216 1 0 10:33 ? 00:00:00 ora_dbw0_denver oracle 30218 1 0 10:33 ? 00:00:00 ora_lgwr_denver oracle 30220 1 0 10:33 ? 00:00:01 ora_ckpt_denver oracle 30222 1 0 10:33 ? 00:00:01 ora_smon_denver oracle 30224 1 0 10:33 ? 00:00:00 ora_reco_denver oracle 30226 1 0 10:33 ? 00:00:01 ora_mmon_denver oracle 30229 1 0 10:33 ? 00:00:00 ora_mmnl_denver oracle 30231 1 0 10:33 ? 00:00:00 ora_d000_denver oracle 30233 1 0 10:33 ? 00:00:00 ora_s000_denver oracle 30279 30136 0 10:33 ? 00:00:02 oracledenver (DESCRIPTION=(LOCAL=YES)(ADDRESS=(PROTOCOL=beq))) oracle 30284 1 0 10:34 ? 00:00:00 ora_arc0_denver oracle 30286 1 0 10:34 ? 00:00:00 ora_arc1_denver oracle 30288 1 0 10:34 ? 00:00:00 ora_arc2_denver oracle 30290 1 010:34 ? 00:00:00 ora_arc3_denver oracle 30292 1 0 10:34 ? 00:00:00 ora_qmnc_denver oracle 30311 1 0 10:34 ? 00:00:00 ora_cjq0_denver oracle 30313 1 0 10:34 ? 00:00:00 ora_q000_denver oracle 30315 1 010:34 ? 00:00:00 ora_q001_denver oracle 30352 1 0 10:39 ? 00:00:00 ora_smco_denver oracle 30354 1 0 10:39 ? 00:00:00 ora_w000_denver oracle 30381 29671 0 10:43 pts/1 00:00:00 rlwrap rman target / oracle 30382 30381 0 10:43 pts/0 00:00:04 rman target / oracle 30387 30382 0 10:43 ? 00:00:03 oracledenver(DESCRIPTION=(LOCAL=YES)(ADDRESS=(PROTOCOL=beq))) oracle 30390 30382 0 10:43 ? 00:00:00 oracledenver(DESCRIPTION=(LOCAL=YES)(ADDRESS=(PROTOCOL=beq))) oracle 30391 30382 0 10:43 ? 00:00:00 oracledenver(DESCRIPTION=(LOCAL=YES)(ADDRESS=(PROTOCOL=beq))) root 30435 30406 0 10:45 pts/4 00:00:00 su - oracle oracle 30436 30435 0 10:45 pts/4 00:00:00 -bash root 30661 30625 0 11:05 pts/5 00:00:00 su - oracle oracle 30662 30661 0 11:05 pts/5 00:00:00 -bash oracle 30696 30662 0 11:05 pts/5 00:00:00 ps -ef oracle 30697 30662 0 11:05 pts/5 00:00:00 grep oracle [[email protected] ~]$ sqlplus / as sysdba SQL*Plus: Release 11.2.0.1.0 Production onFri Aug 8 11:06:06 2014 Copyright (c) 1982, 2009, Oracle. All rights reserved. Connected to: Oracle Database 11g Enterprise EditionRelease 11.2.0.1.0 - Production With the Partitioning, OLAP, Data Miningand Real Application Testing options --查看当前的归档模式 SQL> archive log list; Database log mode Archive Mode Automatic archival Enabled Archive destination USE_DB_RECOVERY_FILE_DEST Oldest online log sequence 6 Next log sequence to archive 8 Current log sequence 8 --下面的步骤是把归档模式更改为非归档模式， --首先关了数据库 SQL> shutdown immediate; Database closed. Database dismounted. ORACLE instance shut down. --将数据库启动到mount的模式下，这种模式下只打开控制文件，不打开数据文件 SQL> startup mount; ORACLE instance started. Total System Global Area 556584960 bytes Fixed Size 1337860 bytes Variable Size 373294588 bytes Database Buffers 176160768 bytes Redo Buffers 5791744 bytes Database mounted. --把数据库切换为非归档模式 SQL> alter database noarchivelog; Database altered. --把数据库打开，此时打开数据文件 SQL> alter database open; Database altered. --查看归档的模式，此时就从归档模式à非归档模式 SQL> archive log list; Database log mode No Archive Mode Automatic archival Disabled Archive destination USE_DB_RECOVERY_FILE_DEST Oldest online log sequence 6 Current log sequence 8 --下面的步骤是从非归档模式à归档模式,方法和上面的类似 SQL> shutdown immediate; Database closed. Database dismounted. ORACLE instance shut down. SQL> startup mount; ORACLE instance started. Total System Global Area 556584960 bytes Fixed Size 1337860 bytes Variable Size 373294588 bytes Database Buffers 176160768 bytes Redo Buffers 5791744 bytes Database mounted. SQL> alter database archivelog; Database altered. SQL> alter database open; Database altered. --此时就是归档模式 SQL> archive log list; Database log mode Archive Mode Automatic archival Enabled Archive destination USE_DB_RECOVERY_FILE_DEST Oldest online log sequence 6 Next log sequence to archive 8 Current log sequence 8 --看一下数据库是否位于archivelog模式中，并且归档过程正在进行 SQL> select log_mode from v$database; LOG_MODE ------------ ARCHIVELOG SQL> select archiver from v$instance; ARCHIVE ------- STARTED --查看归档日志的位置，由于是第一次切换到归档，所以没有文件 SQL> select name from v$archived_log; NAME -------------------------------------------------------------------------------- --日志切换，这里是手动切换日志，会产生一个归档日志 SQL> alter system switch logfile; System altered. --上一步由于产生了一个归档日志，所以在这里能查到，并且能看到具体的位置 SQL> select name from v$archived_log; NAME -------------------------------------------------------------------------------- /u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_8_9y8j5 wgj_.arc --下面多产生几个归档日志 SQL> alter system switch logfile; System altered. SQL> / System altered. SQL> / System altered. SQL> / System altered. SQL> / System altered. SQL> / System altered. --这里可以看一下归档日志的位置 SQL> select name from v$archived_log; NAME -------------------------------------------------------------------------------- /u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_8_9y8j5 wgj_.arc /u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_9_9y8j6 o3g_.arc /u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_10_9y8j 6t3q_.arc /u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_11_9y8j NAME -------------------------------------------------------------------------------- 6yhd_.arc /u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_12_9y8j 706o_.arc /u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_13_9y8j 7166_.arc /u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_14_9y8j 7335_.arc 8 rows selected. SQL> ! --切换到那个目录，查看一下归档文件 [[email protected] ~]$ cd/u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/ [[email protected] 2014_08_08]$ ls o1_mf_1_10_9y8j6t3q_.arc o1_mf_1_13_9y8j7166_.arc o1_mf_1_9_9y8j6o3g_.arc o1_mf_1_11_9y8j6yhd_.arc o1_mf_1_14_9y8j7335_.arc o1_mf_1_12_9y8j706o_.arc o1_mf_1_8_9y8j5wgj_.arc 鎬昏 2608 -rw-r----- 1 oracle oinstall 2048 08-08 11:15 o1_mf_1_10_9y8j6t3q_.arc -rw-r----- 1 oracle oinstall 1024 08-08 11:15 o1_mf_1_11_9y8j6yhd_.arc -rw-r----- 1 oracle oinstall 1024 08-08 11:15 o1_mf_1_12_9y8j706o_.arc -rw-r----- 1 oracle oinstall 1024 08-08 11:15 o1_mf_1_13_9y8j7166_.arc -rw-r----- 1 oracle oinstall 1024 08-08 11:15 o1_mf_1_14_9y8j7335_.arc -rw-r----- 1 oracle oinstall 2638848 08-0811:15 o1_mf_1_8_9y8j5wgj_.arc -rw-r----- 1 oracle oinstall 1024 08-08 11:15 o1_mf_1_9_9y8j6o3g_.arc --通过rman对归档日志进行管理，下面是测试crosscheck archivelog all和delete expired --archivelog all这两个命令 --连接rman [[email protected] 2014_08_08]$ rman target / Recovery Manager: Release 11.2.0.1.0 -Production on Fri Aug 8 11:18:08 2014 Copyright (c) 1982, 2009, Oracle and/or itsaffiliates. All rights reserved. connected to target database: DENVER(DBID=4143344931) --检查无效的归档日志，succeeded表示成功，文件都有效 RMAN> crosscheck archivelog all; using target database control file insteadof recovery catalog allocated channel: ORA_DISK_1 channel ORA_DISK_1: SID=34 device type=DISK validation succeeded for archived log archived log filename=/u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_8_9y8j5wgj_.arcRECID=2 STAMP=855054908 validation succeeded for archived log archived log filename=/u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_9_9y8j6o3g_.arcRECID=3 STAMP=855054933 validation succeeded for archived log archived log filename=/u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_10_9y8j6t3q_.arcRECID=4 STAMP=855054938 validation succeeded for archived log archived log filename=/u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_11_9y8j6yhd_.arcRECID=5 STAMP=855054942 validation succeeded for archived log archived log filename=/u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_12_9y8j706o_.arcRECID=6 STAMP=855054944 validation succeeded for archived log archived log filename=/u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_13_9y8j7166_.arcRECID=7 STAMP=855054945 validation succeeded for archived log archived log filename=/u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_14_9y8j7335_.arcRECID=8 STAMP=855054947 Crosschecked 7 objects --这个命令是删除无效的归档日志，由于上面检查的没有无效的，所以这里什么也没有删除 RMAN> delete expired archivelog all; released channel: ORA_DISK_1 allocated channel: ORA_DISK_1 channel ORA_DISK_1: SID=34 device type=DISK specification does not match any archivedlog in the repository RMAN> exit Recovery Manager complete. [[email protected] 2014_08_08]$ ls o1_mf_1_10_9y8j6t3q_.arc o1_mf_1_13_9y8j7166_.arc o1_mf_1_9_9y8j6o3g_.arc o1_mf_1_11_9y8j6yhd_.arc o1_mf_1_14_9y8j7335_.arc o1_mf_1_12_9y8j706o_.arc o1_mf_1_8_9y8j5wgj_.arc [[email protected] 2014_08_08]$ ll 鎬昏 2608 -rw-r----- 1 oracle oinstall 2048 08-08 11:15 o1_mf_1_10_9y8j6t3q_.arc -rw-r----- 1 oracle oinstall 1024 08-08 11:15 o1_mf_1_11_9y8j6yhd_.arc -rw-r----- 1 oracle oinstall 1024 08-08 11:15 o1_mf_1_12_9y8j706o_.arc -rw-r----- 1 oracle oinstall 1024 08-08 11:15 o1_mf_1_13_9y8j7166_.arc -rw-r----- 1 oracle oinstall 1024 08-08 11:15 o1_mf_1_14_9y8j7335_.arc -rw-r----- 1 oracle oinstall 2638848 08-0811:15 o1_mf_1_8_9y8j5wgj_.arc -rw-r----- 1 oracle oinstall 1024 08-08 11:15 o1_mf_1_9_9y8j6o3g_.arc --把归档日志的物理文件都删除 [[email protected] 2014_08_08]$ rm *.arc 鎬昏 0 [[email protected] 2014_08_08]$ exit exit --在删除归档文件的物理文件之后，在oracle里面可以查到 SQL> select name from v$archived_log; NAME -------------------------------------------------------------------------------- /u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_8_9y8j5 wgj_.arc /u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_9_9y8j6 o3g_.arc /u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_10_9y8j 6t3q_.arc /u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_11_9y8j NAME -------------------------------------------------------------------------------- 6yhd_.arc /u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_12_9y8j 706o_.arc /u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_13_9y8j 7166_.arc /u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_14_9y8j 7335_.arc 8 rows selected. SQL> ! [[email protected] ~]$ cd/u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/ --此时归档日志的物理文件已经删除完成，查看不到了 [[email protected] 2014_08_08]$ ll 鎬昏 0 --连接到rman [[email protected] 2014_08_08]$ rman target / Recovery Manager: Release 11.2.0.1.0 -Production on Fri Aug 8 11:20:35 2014 Copyright (c) 1982, 2009, Oracle and/or itsaffiliates. All rights reserved. connected to target database: DENVER(DBID=4143344931) --现在检查无效的归档日志文件，failed表示就是无效的 RMAN> crosscheck archivelog all; using target database control file insteadof recovery catalog allocated channel: ORA_DISK_1 channel ORA_DISK_1: SID=42 device type=DISK validation failed for archived log archived log filename=/u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_8_9y8j5wgj_.arcRECID=2 STAMP=855054908 validation failed for archived log archived log filename=/u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_9_9y8j6o3g_.arcRECID=3 STAMP=855054933 validation failed for archived log archived log filename=/u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_10_9y8j6t3q_.arcRECID=4 STAMP=855054938 validation failed for archived log archived log filename=/u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_11_9y8j6yhd_.arcRECID=5 STAMP=855054942 validation failed for archived log archived log filename=/u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_12_9y8j706o_.arcRECID=6 STAMP=855054944 validation failed for archived log archived log filename=/u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_13_9y8j7166_.arcRECID=7 STAMP=855054945 validation failed for archived log archived log filename=/u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_14_9y8j7335_.arcRECID=8 STAMP=855054947 Crosschecked 7 objects --把上一步检查到了无效的归档日志都删除，要删除输入 yes --此处删除的其实是数据库控制文件里面对归档日志的记录，这里删除之后，在oracle里面就查不到归--档日志的信息了 RMAN> delete expired archivelog all; released channel: ORA_DISK_1 allocated channel: ORA_DISK_1 channel ORA_DISK_1: SID=42 device type=DISK List of Archived Log Copies for databasewith db_unique_name DENVER ===================================================================== Key Thrd Seq S Low Time ------- ---- ------- - --------- 2 1 8 X 08-AUG-14 Name: /u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_8_9y8j5wgj_.arc 3 1 9 X 08-AUG-14 Name:/u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_9_9y8j6o3g_.arc 4 1 10 X 08-AUG-14 Name:/u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_10_9y8j6t3q_.arc 5 1 11 X 08-AUG-14 Name:/u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_11_9y8j6yhd_.arc 6 1 12 X 08-AUG-14 Name:/u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_12_9y8j706o_.arc 7 1 13 X 08-AUG-14 Name: /u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_13_9y8j7166_.arc 8 1 14 X 08-AUG-14 Name:/u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_14_9y8j7335_.arc Do you really want to delete the aboveobjects (enter YES or NO)? yes deleted archived log archived log filename=/u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_8_9y8j5wgj_.arcRECID=2 STAMP=855054908 deleted archived log archived log filename=/u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_9_9y8j6o3g_.arcRECID=3 STAMP=855054933 deleted archived log archived log filename=/u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_10_9y8j6t3q_.arcRECID=4 STAMP=855054938 deleted archived log archived log file name=/u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_11_9y8j6yhd_.arcRECID=5 STAMP=855054942 deleted archived log archived log filename=/u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_12_9y8j706o_.arcRECID=6 STAMP=855054944 deleted archived log archived log filename=/u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_13_9y8j7166_.arcRECID=7 STAMP=855054945 deleted archived log archived log filename=/u01/app/oracle/flash_recovery_area/DENVER/archivelog/2014_08_08/o1_mf_1_14_9y8j7335_.arcRECID=8 STAMP=855054947 Deleted 7 EXPIRED objects RMAN> exit Recovery Manager complete. [[email protected] 2014_08_08]$ ll 鎬昏 0 [[email protected] 2014_08_08]$ exit exit --此时再查看的话oracle里面就看不到归档日志的信息了 SQL> select name from v$archived_log; NAME -------------------------------------------------------------------------------- 8 rows selected. SQL>
归档日志的一些操作，设置，检查无效文件
时间： 2024-11-02 13:19:32