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[oracle@dbachenjh ~]$ sqlplus /nolog
SQL*Plus: Release 11.2.0.3.0 Production on Fri Jul 11 16:45:46 2014
Copyright (c) 1982, 2011, Oracle. All rights reserved.
SQL> conn /as sysdba
Connected.
SQL> alter database backup controlfile to trace;--------备份控制文件到trace
Database altered.
SQL> show parameter dump;----------------查找trace文件的目录
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
background_core_dump string partial
background_dump_dest string /s01/oracle/diag/rdbms/chenjh/chenjh
/trace
core_dump_dest string /s01/oracle/diag/rdbms/chenjh/chenjh
/cdump
max_dump_file_size string unlimited
shadow_core_dump string partial
user_dump_dest string /s01/oracle/diag/rdbms/chenjh/chenjh
/trace
SQL> ho
[oracle@dbachenjh ~]$ cd /s01/oracle/diag/rdbms/chenjh/chenjh/
/[oracle@dbachenjh chenjh]$ cd trace/
[oracle@dbachenjh trace]$ ls alert_chenjh.log
alert_chenjh.log
[oracle@dbachenjh trace]$ tail -30f alert_chenjh.log ---查看日志中最后30条信息
Private strand flush not complete
Current log# 3 seq# 348 mem# 0: /s01/oracle/oradata/chenjh/redo03.log
Thread 1 advanced to log sequence 349 (LGWR switch)
Current log# 2 seq# 349 mem# 0: /s01/oracle/oradata/chenjh/redo02.log
Fri Jul 11 02:01:02 2014
Archived Log entry 342 added for thread 1 sequence 348 ID 0xba3d3cac dest 1:
Fri Jul 11 07:00:47 2014
Thread 1 cannot allocate new log, sequence 350
Private strand flush not complete
Current log# 2 seq# 349 mem# 0: /s01/oracle/oradata/chenjh/redo02.log
Thread 1 advanced to log sequence 350 (LGWR switch)
Current log# 1 seq# 350 mem# 0: /s01/oracle/oradata/chenjh/redo01.log
Fri Jul 11 07:00:51 2014
Archived Log entry 343 added for thread 1 sequence 349 ID 0xba3d3cac dest 1:
Fri Jul 11 12:00:18 2014
Thread 1 cannot allocate new log, sequence 351
Private strand flush not complete
Current log# 1 seq# 350 mem# 0: /s01/oracle/oradata/chenjh/redo01.log
Thread 1 advanced to log sequence 351 (LGWR switch)
Current log# 3 seq# 351 mem# 0: /s01/oracle/oradata/chenjh/redo03.log
Fri Jul 11 12:00:21 2014
Archived Log entry 344 added for thread 1 sequence 350 ID 0xba3d3cac dest 1:
Fri Jul 11 16:46:10 2014
alter database backup controlfile to trace
Backup controlfile written to trace file /s01/oracle/diag/rdbms/chenjh/chenjh/trace/chenjh_ora_23408.trc
Completed: alter database backup controlfile to trace------从日志中看出备份文件的目录及名字
[oracle@dbachenjh trace]$ more chenjh_ora_23408.trc---下面的内容即为控制文件的内容
Trace file /s01/oracle/diag/rdbms/chenjh/chenjh/trace/chenjh_ora_23408.trc
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
ORACLE_HOME = /s01/oracle/proudct/11.2.0.1/db_home1
System name: Linux
Node name: dbachenjh
Release: 2.6.32-300.10.1.el5uek
Version: #1 SMP Wed Feb 22 17:37:40 EST 2012
Machine: x86_64
VM name: VMWare Version: 6
Instance name: chenjh
Redo thread mounted by this instance: 1
Oracle process number: 44
Unix process pid: 23408, p_w_picpath: oracle@dbachenjh (TNS V1-V3)
*** 2014-07-11 16:46:10.328
*** SESSION ID:(11.64861) 2014-07-11 16:46:10.328
*** CLIENT ID:() 2014-07-11 16:46:10.328
*** SERVICE NAME:(SYS$USERS) 2014-07-11 16:46:10.328
*** MODULE NAME:(sqlplus@dbachenjh (TNS V1-V3)) 2014-07-11 16:46:10.328
*** ACTION NAME:() 2014-07-11 16:46:10.328
-- The following are current System-scope REDO Log Archival related
-- parameters and can be included in the database initialization file.
--
-- LOG_ARCHIVE_DEST=''
-- LOG_ARCHIVE_DUPLEX_DEST=''
--
-- LOG_ARCHIVE_FORMAT=%t_%s_%r.dbf
--
-- DB_UNIQUE_NAME="chenjh"
--
-- LOG_ARCHIVE_CONFIG='SEND, RECEIVE, NODG_CONFIG'
-- LOG_ARCHIVE_MAX_PROCESSES=4
-- STANDBY_FILE_MANAGEMENT=MANUAL
-- STANDBY_ARCHIVE_DEST=?/dbs/arch
-- FAL_CLIENT=''
-- FAL_SERVER=''
--
-- LOG_ARCHIVE_DEST_1='LOCATION=/arch_log'
-- LOG_ARCHIVE_DEST_1='MANDATORY NOREOPEN NODELAY'
-- LOG_ARCHIVE_DEST_1='ARCH NOAFFIRM EXPEDITE NOVERIFY SYNC'
-- LOG_ARCHIVE_DEST_1='NOREGISTER NOALTERNATE NODEPENDENCY'
-- LOG_ARCHIVE_DEST_1='NOMAX_FAILURE NOQUOTA_SIZE NOQUOTA_USED NODB_UNIQUE_NAME'
-- LOG_ARCHIVE_DEST_1='VALID_FOR=(PRIMARY_ROLE,ONLINE_LOGFILES)'
-- LOG_ARCHIVE_DEST_STATE_1=ENABLE
--
-- Below are two sets of SQL statements, each of which creates a new
-- control file and uses it to open the database. The first set opens
-- the database with the NORESETLOGS option and should be used only if
-- the current versions of all online logs are available. The second
-- set opens the database with the RESETLOGS option and should be used
-- if online logs are unavailable.
-- The appropriate set of statements can be copied from the trace into
-- a script file, edited as necessary, and executed when there is a
-- need to re-create the control file.
--
-- Set #1. NORESETLOGS case
--
-- The following commands will create a new control file and use it
-- to open the database.
-- Data used by Recovery Manager will be lost.
-- Additional logs may be required for media recovery of offline
-- Use this only if the current versions of all online logs are
-- available.
-- After mounting the created controlfile, the following SQL
-- statement will place the database in the appropriate
-- protection mode:
-- ALTER DATABASE SET STANDBY DATABASE TO MAXIMIZE PERFORMANCE
STARTUP NOMOUNT
CREATE CONTROLFILE REUSE DATABASE "chenjh" NORESETLOGS ARCHIVELOG
MAXLOGFILES 16
MAXLOGMEMBERS 3
MAXDATAFILES 100
MAXINSTANCES 8
MAXLOGHISTORY 292
LOGFILE
GROUP 1 '/s01/oracle/oradata/chenjh/redo01.log' SIZE 50M BLOCKSIZE 512,
GROUP 2 '/s01/oracle/oradata/chenjh/redo02.log' SIZE 50M BLOCKSIZE 512,
GROUP 3 '/s01/oracle/oradata/chenjh/redo03.log' SIZE 50M BLOCKSIZE 512
-- STANDBY LOGFILE
DATAFILE
'/s01/oracle/oradata/chenjh/system01.dbf',
'/s01/oracle/oradata/chenjh/sysaux01.dbf',
'/s01/oracle/oradata/chenjh/undotbs01.dbf',
'/s01/oracle/oradata/chenjh/users01.dbf',
'/s01/oracle/oradata/chenjh/example01.dbf',
'/s01/oracle/oradata/chenjh/chenjh01.dbf',
'/s01/oracle/oradata/chenjh/chenjh02.dbf'
CHARACTER SET AL32UTF8
;
-- Commands to re-create incarnation table
-- Below log names MUST be changed to existing filenames on
-- disk. Any one log file from each branch can be used to
-- re-create incarnation records.
-- ALTER DATABASE REGISTER LOGFILE '/arch_log/1_1_762083164.dbf';
-- ALTER DATABASE REGISTER LOGFILE '/arch_log/1_1_848329454.dbf';
-- Recovery is required if any of the datafiles are restored backups,
-- or if the last shutdown was not normal or immediate.
RECOVER DATABASE
-- All logs need archiving and a log switch is needed.
ALTER SYSTEM ARCHIVE LOG ALL;
-- Database can now be opened normally.
ALTER DATABASE OPEN;
-- Commands to add tempfiles to temporary tablespaces.
-- Online tempfiles have complete space information.
-- Other tempfiles may require adjustment.
ALTER TABLESPACE TEMP ADD TEMPFILE '/s01/oracle/oradata/chenjh/temp01.dbf'
SIZE 30408704 REUSE AUTOEXTEND ON NEXT 5242880 MAXSIZE 32767M;
-- End of tempfile additions.
--
-- Set #2. RESETLOGS case
--
-- The following commands will create a new control file and use it
-- to open the database.
-- Data used by Recovery Manager will be lost.
-- The contents of online logs will be lost and all backups will
-- be invalidated. Use this only if online logs are damaged.
-- After mounting the created controlfile, the following SQL
-- statement will place the database in the appropriate
-- protection mode:
-- ALTER DATABASE SET STANDBY DATABASE TO MAXIMIZE PERFORMANCE
STARTUP NOMOUNT
CREATE CONTROLFILE REUSE DATABASE "chenjh" RESETLOGS ARCHIVELOG
MAXLOGFILES 16
MAXLOGMEMBERS 3
MAXDATAFILES 100
MAXINSTANCES 8
MAXLOGHISTORY 292
LOGFILE
GROUP 1 '/s01/oracle/oradata/chenjh/redo01.log' SIZE 50M BLOCKSIZE 512,
GROUP 2 '/s01/oracle/oradata/chenjh/redo02.log' SIZE 50M BLOCKSIZE 512,
GROUP 3 '/s01/oracle/oradata/chenjh/redo03.log' SIZE 50M BLOCKSIZE 512
-- STANDBY LOGFILE
DATAFILE
'/s01/oracle/oradata/chenjh/system01.dbf',
'/s01/oracle/oradata/chenjh/sysaux01.dbf',
'/s01/oracle/oradata/chenjh/undotbs01.dbf',
'/s01/oracle/oradata/chenjh/users01.dbf',
'/s01/oracle/oradata/chenjh/example01.dbf',
'/s01/oracle/oradata/chenjh/chenjh01.dbf',
'/s01/oracle/oradata/chenjh/chenjh02.dbf'
CHARACTER SET AL32UTF8
;
-- Commands to re-create incarnation table
-- Below log names MUST be changed to existing filenames on
-- disk. Any one log file from each branch can be used to
-- re-create incarnation records.
-- ALTER DATABASE REGISTER LOGFILE '/arch_log/1_1_762083164.dbf';
-- ALTER DATABASE REGISTER LOGFILE '/arch_log/1_1_848329454.dbf';
-- Recovery is required if any of the datafiles are restored backups,
-- or if the last shutdown was not normal or immediate.
RECOVER DATABASE USING BACKUP CONTROLFILE
-- Database can now be opened zeroing the online logs.
ALTER DATABASE OPEN RESETLOGS;
-- Commands to add tempfiles to temporary tablespaces.
-- Online tempfiles have complete space information.
-- Other tempfiles may require adjustment.
ALTER TABLESPACE TEMP ADD TEMPFILE '/s01/oracle/oradata/chenjh/temp01.dbf'
SIZE 30408704 REUSE AUTOEXTEND ON NEXT 5242880 MAXSIZE 32767M;
-- End of tempfile additions.
--