Oracle backup controlfile and find the backup file directory
Last login: Fri Jul 11 15:25:49 2014 from chenjh
[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;- backup control files to trace
Database altered.
SQL > show parameter dump;- finds the directory of the trace file
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-view the last 30 messages in the log
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- sees the directory and name of the backup file from the log
[oracle@dbachenjh trace] the content below $more chenjh_ora_23408.trc--- is the content of the control file.
Trace file / s01/oracle/diag/rdbms/chenjh/chenjh/trace/chenjh_ora_23408.trc
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0-64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
ORACLE_HOME = / s01/oracle/proudct/11.2.0.1/db_home1
System name: Linux
Node name: dbachenjh
Release: 2.6.32-300.10.1.el5uek
Version: # 1 SMP Wed Feb 22 17:37:40 EST 2012
Machine: x86_64
VM name: VMWare Version: 6
Instance name: chenjh
Redo thread mounted by this instance: 1
Oracle process number: 44
Unix process pid: 23408, p_w_picpath: oracle@dbachenjh (TNS V1-V3)
* 2014-07-11 16 46 purl 10.328
* SESSION ID: (11.64861) 2014-07-11 16 purl 46 purl 10.328
* CLIENT ID: () 2014-07-11 16 purl 46 10. 328
* SERVICE NAME: (SYS$USERS) 2014-07-11 16 purl 46 purl 10.328
* MODULE NAME: (sqlplus@dbachenjh (TNS V1-V3)) 2014-07-11 16 purl 46 purl 10.328
* ACTION NAME: () 2014-07-11 16 purl 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 SIZE BLOCKSIZE 50m oradata BLOCKSIZE 512
GROUP 2'/ s01 SIZE SIZE 50m oradat 512
GROUP 3'/ s01 SIZE BLOCKSIZE 50m oradata BLOCKSIZE 512
-- STANDBY LOGFILE
DATAFILE
'/ s01Universe oracleplexoradataUniplicatechenjhscarplessystem01.dbf'
'/ s01scarp oraclescarp oradataUniplicatechenjhUniplicatesysaux01.dbf'
'/ s01Universe oraclescarp chenjhscarp undotbs01.dbf'
'/ s01Universe oracleplicoradataPlacement chenjhscarp users01.dbf'
'/ s01Universe oracleplicoradataPlacement chenjhUnique example01.dbf'
'/ s01Universe oraclescarp chenjhscarp chenjh01.dbf'
'/ s01Universe oraclescarp chenjhscarp 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'/ s01Accord oradataAccord 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 SIZE BLOCKSIZE 50m oradata BLOCKSIZE 512
GROUP 2'/ s01 SIZE SIZE 50m oradat 512
GROUP 3'/ s01 SIZE BLOCKSIZE 50m oradata BLOCKSIZE 512
-- STANDBY LOGFILE
DATAFILE
'/ s01Universe oracleplexoradataUniplicatechenjhscarplessystem01.dbf'
'/ s01scarp oraclescarp oradataUniplicatechenjhUniplicatesysaux01.dbf'
'/ s01Universe oraclescarp chenjhscarp undotbs01.dbf'
'/ s01Universe oracleplicoradataPlacement chenjhscarp users01.dbf'
'/ s01Universe oracleplicoradataPlacement chenjhUnique example01.dbf'
'/ s01Universe oraclescarp chenjhscarp chenjh01.dbf'
'/ s01Universe oraclescarp chenjhscarp 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'/ s01Accord oradataAccord temp01.dbf'
SIZE 30408704 REUSE AUTOEXTEND ON NEXT 5242880 MAXSIZE 32767M
-- End of tempfile additions.
--