This scenario assumes that the source database does not currently use a server parameter file or RMAN cannot restore a backup server parameter file. Location for Oracle managed online redo log files.
Specifically, you want to store the data files and control files in disk group +DISK2. backup as compressed BACKUPSET incremental level 0 tag RMAN_BKP_SSPRODDB FORMAT /nfs_bkpvol1/BACKUP/RMAN/SSPRODDB/full_db_%t_set%s_piece%p_dbid%I.rman database; input datafile copy RECID=15 STAMP=961823188 file name=/oradata1/SSP/system.289.942830555
Table 25-5 describes a subset of the possible initialization parameters.
Hello my family member!
executing command: SET NEWNAME All rights reserved. Manually transfer the backups in the new directory on the source host to the identically named directory on the destination host. This block size must match the block size of the source database. *.log_archive_dest_1=location=+FRA set newname for datafile 3 to Fixed Size 2230072 bytes The order of precedence means that SET NEWNAME FOR TABLESPACE specifies names for files not already named by SET NEWNAME FOR DATAFILE and SET NEWNAME FOR TEMPFILE, whereas SET NEWNAME FOR DATABASE specifies names for files not already named by SET NEWNAME FOR TABLESPACE, SET NEWNAME FOR DATAFILE, or SET NEWNAME FOR TEMPFILE.
/oradata1/SSP/users.294.940601841, channel ORA_AUX_DISK_2: piece handle=/oradata1/RMAN/SSPROD/full_db_961288205_set8942_piece1_dbid196682280.rman tag=RMAN_BKP_SSPRODDB
To use CONFIGURE AUXNAME to specify names for duplicate data files: Issue a CONFIGURE AUXNAME command for each file that you want to name in the duplicate database.
"Using Non-ASM Storage" discusses the details and options of OMF-managed data files. channel ORA_AUX_DISK_4: piece handle=/oradata1/RMAN/SSPROD/full_db_961288206_set8947_piece1_dbid196682280.rman tag=RMAN_BKP_SSPRODDB ow to restore as RMAN Duplicate database.
In this case, you must start the auxiliary instance with a text-based initialization parameter file.
*.sga_target=4026531840 Hope so you like this article!Please share your valuable feedback/comments/subscribeand follow us below and dont forget to click on the bell icon to get the most recent update. These cookies do not store any personal information.
NOTE: We are creating the clone database on a new server, we will have to move the backups from the Source Host to the Auxiliary Host (destination) in exactly the same location where it was created on the source server hence transferred the dedicated backup folder. Change the value of both convert parameters, SYS password, create PASSWORD file, etc.
channel ORA_AUX_DISK_1: restored backup piece 1 input datafile copy RECID=14 STAMP=961823188 file name=/oradata1/SSP/users.294.940601841 sql clone alter system set db_name = channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:01 I'll definitely digg it and personally suggest to my friends. channel ORA_AUX_DISK_6: restore complete, elapsed time: 00:00:01
2.
The difference is that you must identify the initialization parameters that control the location where files are created and set these parameters to an ASM disk group.
"Step 5: Creating an Initialization Parameter File and Starting the Auxiliary Instance" assumes that the source database instance uses a server parameter file. For example, use the BACKUP COPY OF DATABASE command to copy the backups in /dsk1/bkp on the source host to /dsk2/dup on the source host. channel ORA_AUX_DISK_5: piece handle=/oradata1/RMAN/SSPROD/full_db_961288206_set8948_piece1_dbid196682280.rman tag=RMAN_BKP_SSPRODDB SSPRODDB2.instance_number=2
We have completed successfully restore the database LABDBDUP using a Backup based Duplicate in Oracle.
In this example, you use active database duplication. It is not always necessary to duplicate all tablespaces of a database.
channel ORA_AUX_DISK_7: restored backup piece 1
Oracle Database Backup and Recovery Reference, Oracle Database Storage Administrator's Guide, "Step 2: Choosing a Strategy for Naming Duplicate Files", "Using SET NEWNAME to Create OMF or ASM Files", "Settings and Restrictions for OMF Initialization Parameters", "Using SET NEWNAME to Name File System Data Files and Temp Files", "Step 3: Making Backups Accessible to the Duplicate Instance", "Step 5: Creating an Initialization Parameter File and Starting the Auxiliary Instance", "Using DB_FILE_NAME_CONVERT to Generate Names for Non-OMF or ASM Data Files", "Using LOG_FILE_NAME_CONVERT to Generate Names for Non-OMF or ASM Log Files".
channel clone_default: deleting archived log(s) GROUP 1 ( /oradata1/SSP/redo01.log ) SIZE 50 M ,
The DB_NAME setting for the duplicate database must be unique among databases in its Oracle home. contents of Memory Script:
duplicate target database to SSP nofilenamecheck backup location /oradata1/RMAN/SSPROD using channel ORA_AUX_DISK_6
using channel ORA_AUX_DISK_5
using channel ORA_AUX_DISK_4 of databse as cp command in linux.
GROUP 2 ( /oradata1/SSP/redo02.log ) SIZE 50 M , SSPRODDB2.__shared_io_pool_size=536870912 allocated channel: ORA_AUX_DISK_12
channel ORA_AUX_DISK_2: reading from backup piece /oradata1/RMAN/SSPROD/arc_961288248_set8960_piece1_dbid196682280.rman datafile 8 switched to datafile copy Steps to take RMAN executing Memory Script
channel ORA_AUX_DISK_5: restore complete, elapsed time: 00:00:08
Table 25-1 Substitution Variables for SET NEWNAME. Cyclone Themes, Duplicate database until Point in Time recover, using backup location from RAC to single instance, Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window).
channel ORA_AUX_DISK_7: restore complete, elapsed time: 00:00:01
input datafile copy RECID=16 STAMP=961823188 file name=/oradata1/SSP/sysaux.288.944822531, contents of Memory Script:
#PointInTimeRecovery #DuplicateDatabase #RestoreDatabaseUsingBackupLocation, run channel ORA_AUX_DISK_3: specifying datafile(s) to restore from backup set
SSP READ WRITE, 12+ years of rich experience on Database Administrations and on Infrastructure Solution Architect.
set newname for datafile 5 to
The new file names in +DISK2 are generated by ASM and do not match the original file names in disk group +DISK1. entity to backup pieces as a tablespace to data files. See Oracle Database Reference provides more information about these parameters.
If the target database is not open in this scenario, then RMAN has no way to obtain the names of the tablespaces with undo segments. RMAN-03015: error occurred in stored script Memory Script SSPRODDB1.__pga_aggregate_target=1342177280
*.processes=150
This step is needed only for disk backups. *.db_create_file_dest=+DATA Table 25-5 Auxiliary Instance Initialization Parameters.
channel ORA_AUX_DISK_3: restored backup piece 1 AUXILIARY CHANNEL aux2 DEVICE TYPE DISK; ALLOCATE
channel ORA_AUX_DISK_8: restored backup piece 1 When NFS or shared disk is not an option, then the path that stores the backups must exist on both the source and destination hosts unless the BACKUP LOCATION option is used for the DUPLICATE command without a target or recovery catalog connection.
channel ORA_AUX_DISK_1: restoring control file Click here to get the SQL command to check the size of DATABASE.
input datafile copy RECID=6 STAMP=961823218 file name=/oradata1/SSP/system.289.942830555
The strategy that you use depends on whether the source and duplicate databases use Oracle Managed Files (OMF) or Oracle Automatic Storage Management (ASM).
--> to store backup at specific This chapter explains advanced forms of database duplication that are not covered in Chapter 24, "Duplicating a Database.". datafile 3 switched to datafile copy datafile 6 switched to datafile copy Variable Size 1929382088 bytes
Click here to get the SQL command to check the size of DATABASE. Required fields are marked *. Necessary cookies are absolutely essential for the website to function properly.
Redo Buffers 4947968 bytes. cataloged datafile copy
If the LOG_FILE clause has been omitted and none of the Oracle Managed Files initialization parameters DB_CREATE_FILE_DEST, DB_CREATE_ONLINE_DEST_n, or DB_RECOVERY_FILE_DEST are specified, then LOG_FILE_NAME_CONVERT can transforms target file names. executing command: SET NEWNAME
Note: we need to recover database until 29-11-2017 11am, to make sure, we need some specific information from Source database. By clicking Accept or by continuing to use this website, you consent to the use of ALL the cookies. archived log file name=/u01/app/oracle/product/dbhome_1/dbs/arch2_1706_916930730.dbf thread=2 sequence=1706 using channel ORA_AUX_DISK_10
channel clone_default: deleting archived log(s) Assume that the source database prod is on host1 and stores its data files in ASM disk group +DISK1.
11.
Specifies the default location for Oracle managed data files.
SSPRODDB1.__shared_pool_size=2382364672
location with formate>/%d_%T_%s_%p_FULL. Validate the database size, DBID, creation timestamp, archive enable, etc. Example 25-9 Excluding Read-Only Tablespaces.
using channel ORA_AUX_DISK_4
To specify a subset of tablespaces for a duplicate database: Ensure that you have completed Steps 1 through 4 in "Basic Steps of Database Duplication". For example, you may plan to generate reports that require only a subset of tablespaces from your source database. backup current controlfile tag RMAN_BKP_SSPRODDB FORMAT /nfs_bkpvol1/BACKUP/RMAN/SSPRODDB/ctl_%t_dbid%I.rman;
Replace require values according to Auxiliary instance and add below two parameters in the same format. This article is a continuation of a recent article where we have demonstrated RMAN Active Duplicate Database in Oracle from ASM to ASM click here to go through it. Example 25-3 Duplicating with SET NEWNAME FOR DATABASE. using. Click here to get the SQL command for How to find all physicals files in Oracle.
channel ORA_AUX_DISK_1: SID=96 device type=DISK The duplicated subset of tablespaces must be self-contained.
using channel ORA_AUX_DISK_2
Technical blogs are the source of vast information not about databases but its related product like middleware, PL/SQL, replication methodology, and so on.
Therefore, you do not have to specify options to exclude these tablespaces. channel ORA_AUX_DISK_5: starting datafile backup set restore
with RMAN database backup and RMAN duplicate database command which we were
It is mandatory to procure user consent prior to running these cookies on your website. /oradata1/SSP/users.283.916959463, SQL> alter system set _no_recovery_through_resetlogs=true scope=spfile; channel ORA_AUX_DISK_2: piece handle=/oradata1/RMAN/SSPROD/arc_961288248_set8960_piece1_dbid196682280.rman tag=RMAN_BKP_SSPRODDB UNTIL TIME TO_DATE(2017-11-29 11:26:28, YYYY-MM-DD HH24:MI:SS)
*.db_name=SSPRODDB The procedure in "Step 5: Creating an Initialization Parameter File and Starting the Auxiliary Instance" assumes that you use the SPFILE clause of the DUPLICATE command.
Create a PFILE for Auxiliary Instance. channel ORA_AUX_DISK_7: specifying datafile(s) to restore from backup set
Specifies the absolute file number of the data file for which the new name is generated.
SSP.__pga_aggregate_target=738197504 SSPRODDB1.undo_tablespace=UNDOTBS1, SSP.__db_cache_size=201326592 I'm confident they will be benefited from this website.
Example 25-11 is a variation of Example 24-1 except with the users tablespace included, which is assumed to be self-contained, and all other tablespaces excluded, except for SYSTEM and SYSAUX tablespaces and tablespaces with undo segments. input datafile copy RECID=12 STAMP=961823188 file name=/oradata1/SSP/users.283.916959463 Database Buffers 201326592 bytes
channel ORA_AUX_DISK_8: SID=66 device type=DISK For example, you can change the target file name from /oracle/ to /dup/oracle/.
channel ORA_AUX_DISK_5: restoring datafile 00005 to /oradata1/SSP/undotbs2.291.916959571 Right here is the right website for anybody who hopes to find out about this topic.You understand so much its almost hard to argue with you (not that I personally will need toHaHa).You certainly put a brand new spin on a topic that's been written about for ages.Great stuff, just great! This section explains how to specify names for the duplicate files when the following condition is true: The source and auxiliary hosts either use different directory structures or use the same structure but you want to name the duplicate files differently. Finally add the target in OEM, add/enable jobs in DBMS_scheduler/cronjobs, handover to the dependent team for checkout, etc as applicable if any. channel ORA_AUX_DISK_1: reading from backup piece /oradata1/RMAN/SSPROD/arc_961288248_set8959_piece1_dbid196682280.rman SSPRODDB1.__oracle_base=/u01/app/oracle#ORACLE_BASE set from environment
Step 1) Login SSPRODDB2.__sga_target=4026531840
Redo Buffers 4947968 bytes, Starting restore at 04-DEC-17
channel ORA_AUX_DISK_5: restoring archived log
We are back You must verify that all paths are accessible on the host where the database is being duplicated. datafile 3 switched to datafile copy
Assume that you perform backup-based duplication with a target connection, but no recovery catalog connection. Converts the file name of a new data file on the primary database to a file name on the duplicate database.
datafile 2 switched to datafile copy
{ channel ORA_AUX_DISK_8: piece handle=/oradata1/RMAN/SSPROD/full_db_961288205_set8945_piece1_dbid196682280.rman tag=RMAN_BKP_SSPRODDB But now a day RMAN is very necessary.
Pairs of strings for converting the names of data files and temp files. switch clone tempfile all; GROUP 3 ( /oradata1/SSP/redo03.log ) SIZE 50 M These cookies will be stored in your browser only with your consent.
}, executing Memory Script
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Click here to get the SQL command to check the size of DATABASE.
Validate the database size, DBID, creation timestamp, archive enable, etc.
Validate transferred files PFILE, PASSWORD FILE, and RMAN Backup.
*.undo_tablespace=UNDOTBS1, SQL> startup nomount pfile=/oradata1/SSP/ssppfile.ora;
channel ORA_AUX_DISK_1: SID=96 device type=DISK
during backups and restores.
SSPRODDB1.__java_pool_size=16777216
The control files for prod are located in /oracle/oradata/prod/.
archived log file name=/u01/app/oracle/product/dbhome_1/dbs/arch2_1707_916930730.dbf RECID=1 STAMP=961823189 SSP.__large_pool_size=33554432
use STANDBY because performance will not effect on PROD.
channel ORA_AUX_DISK_2: starting datafile backup set restore
RMAN Duplicate from RAC backup fails ORA-38856 (Doc ID 334899.1).
In the copied initialization parameter file, manually change DB_NAME to the name of the duplicate database. The fast recovery area contains multiplexed copies of current control files and online redo log files.
;
No votes so far! The procedure for creating a duplicate database to an ASM location is similar to the procedure described in "Settings and Restrictions for OMF Initialization Parameters". backups with image copies but you can do so with backup sets.
RMAN supports the following commands, listed in order of precedence: SET NEWNAME FOR DATAFILE and SET NEWNAME FOR TEMPFILE.
*.memory_target=2048M
channel ORA_AUX_DISK_5: piece handle=/oradata1/RMAN/SSPROD/arc_961374649_set8978_piece1_dbid196682280.rman tag=RMAN_BKP_SSPRODDB
SSP.__sga_target=1409286144
Fixed Size 2230072 bytes sql Example 25-1 Duplicating with SET NEWNAME FOR DATAFILE. RMAN-06136: ORACLE error from auxiliary database: ORA-38856: cannot mark instance UNNAMED_INSTANCE_2 (redo thread 2) as enabled, SQL> alter database open resetlogs;
Start SQL*Plus and connect to the auxiliary instance with SYSOPER privileges.
archived log file name=/u01/app/oracle/product/dbhome_1/dbs/arch1_2280_916930730.dbf RECID=3 STAMP=961823191
channel ORA_AUX_DISK_3: restored backup piece 1
Save my name, email, and website in this browser for the next time I comment.
NAME OPEN_MODE
datafile copy file name=/oradata1/SSP/system.289.942830555 RECID=6 STAMP=961823218
Example 25-5 Duplicating from ASM to ASM (Active). *.open_cursors=300 Database mounted.
channel ORA_AUX_DISK_6: SID=3 device type=DISK
In this case, RMAN automatically catalogs the backups in the new location.
datafile 5 switched to datafile copy set newname for datafile 7 to
channel ORA_AUX_DISK_6: restoring datafile 00006 to /oradata1/SSP/users.294.940601841
-->
startup nomount; ## it should start from spfile. group 1 (/oradata1/SSP/redo01.log) size 50M, Create a password file for Auxiliary Instance if its not already available on the Source Database and make sure created with the correct SYSs password.
cataloged datafile copy AUXILIARY CHANNEL aux5 DEVICE TYPE DISK; DUPLICATE
channel ORA_AUX_DISK_9: SID=97 device type=DISK SSPRODDB2.__streams_pool_size=33554432 channel clone_default: deleting archived log(s)
RMAN is not.
channel ORA_AUX_DISK_7: piece handle=/oradata1/RMAN/SSPROD/full_db_961288205_set8944_piece1_dbid196682280.rman tag=RMAN_BKP_SSPRODDB
When you specify LOG_FILE_NAME_CONVERT, RMAN uses the REUSE parameter when creating the online redo logs. Set this parameter to the location for the Oracle Managed Files. Another technique to generate names besides using SET NEWNAME or CONFIGURE AUXNAME commands is to use DB_FILE_NAME_CONVERT to transform target file names.
To use SET NEWNAME to specify names for Oracle Managed Files: Set the DB_CREATE_FILE_DEST initialization parameter at the auxiliary instance to the desired location.
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using channel ORA_AUX_DISK_5
executing command: SET NEWNAME
startup clone nomount;
Database dismounted.
media recovery complete, elapsed time: 00:00:05 using channel ORA_AUX_DISK_2 You must specify the location of this text-based initialization parameter file in the PFILE clause of the DUPLICATE command. 12.
using channel ORA_AUX_DISK_7 SSPRODDB1.__db_cache_size=1006632960
Example 25-6 illustrates a script that specifies literal names for data files 1 to 5.
channel ORA_AUX_DISK_3: restoring datafile 00003 to /oradata1/SSP/undotbs1.282.916959463 See Table 25-1 to learn about options for naming duplicate files.
Total System Global Area 2137886720 bytes
cataloged datafile copy When creating a duplicate database that uses Oracle Managed Files, you must set initialization parameters in the auxiliary instance.
SQL> select name, open_mode from v$database; set newname for datafile 6 to
Backup from database either PROD or STANDBY: We should
If the source data files use OMF, then you cannot rename them using DB_FILE_NAME_CONVERT. *.compatible=11.2.0.0.0 datafile copy file name=/oradata1/SSP/sysaux.281.916959463 RECID=1 STAMP=961823218
channel ORA_AUX_DISK_5: restored backup piece 1
/oradata1/SSP/sysaux.288.944822531; For example, if you intend to store the RMAN backups in /dsk2/dup on the destination host, then create /dsk2/dup on the source host.
recover
datafile 6 switched to datafile copy
*.db_recovery_file_dest=+FRA Example 25-6 Duplicating with SET NEWNAME FOR DATAFILE and FOR TABLESPACE. For this is it a must to delete Data & control files from target?
archived log thread=1 sequence=2280
channel ORA_AUX_DISK_4: specifying datafile(s) to restore from backup set using channel ORA_AUX_DISK_11 channel ORA_AUX_DISK_5: reading from backup piece /oradata1/RMAN/SSPROD/full_db_961288206_set8948_piece1_dbid196682280.rman
}
/oradata1/SSP/system.289.942830555;
/oradata1/SSP/temp.290.916959535; You cannot exclude the SYSTEM and SYSAUX tablespaces, tablespaces with SYS objects, undo tablespaces, tablespaces with undo segments, tablespaces with materialized views, or tablespaces in such a way that the duplicated tablespaces are not self-contained.
datafile 8 switched to datafile copy
alter clone database mount;
The block size for the duplicate database. channel ORA_AUX_DISK_4: starting datafile backup set restore
SSP STARTED, NAME TYPE VALUE
When using SET with FOR DATABASE or FOR TABLESPACE, however, you must use at least one of the first three substitution variables summarized in Table 25-1 (%I and %N are optional). connect as sysdba , i.e.
channel ORA_AUX_DISK_6: starting datafile backup set restore
This website uses cookies to improve your experience while you navigate through the website. /oradata1/SSP/undotbs2.291.916959571,
Starting Duplicate Db at 04-DEC-17 On the source host, copy the backups to the directory created in the previous step, and then catalog the backups.
; - SSPRODDB2.__pga_aggregate_target=1342177280
For example, enter the following commands at the RMAN prompt to specify names for data files 1 through 5: For example, enter the following command at the RMAN prompt: RMAN uses the CONFIGURE AUXNAME settings to name data files 1 through 5.
MAXINSTANCES 32
Dear Ganga,Hope this may useful for you:https://web.stanford.edu/dept/itss/docs/oracle/10gR2/backup.102/b14191/rcmdupdb006.htmRegards. Example 25-10 shows how to skip a tablespace named tools. Oracle instance shut down
SSP STARTED.
*.processes=150 Do not specify LOG_FILE_NAME_CONVERT if you set Oracle Managed Files initialization parameters.
datafile 7 switched to datafile copy Redo Buffers 4947968 bytes *.control_files=+DATA/ssproddb/controlfile/current.285.916959529,+DATA/ssproddb/controlfile/current.284.916959529 connected to auxiliary database (not started), sql statement: CREATE CONTROLFILE REUSE SET DATABASE SSP RESETLOGS ARCHIVELOG
AUXILIARY CHANNEL aux3 DEVICE TYPE DISK; ALLOCATE Database Architecture Interview Questions, Oracle user role and privilege interview questions, Redo,Undo,Control file interview questions, ORA-38856: cannot mark instance UNNAMED_INSTANCE_2, How to check and implement best practice for Oracle Database 11g onwards, PostgreSQL DBA part 6 :-PostgreSQL high availability setup using EFM, Restore Archivelog from particular sequence to another location using tape backup, Database corrupt block recovery using RMAN, Oracle 12c gather statistics oracle deep dive, Monitor steps for Logical Standby Database, Step by Step Oracle Active Data Guard Far Sync RAC, clouddba:-DBA blog on Oracle,Oracle cloud,DevOps,PostgreSQL and Other Databases.
input datafile copy RECID=4 STAMP=961823218 file name=/oradata1/SSP/undotbs2.291.916959571 using channel ORA_AUX_DISK_1
catalog clone datafilecopy /oradata1/SSP/sysaux.281.916959463, : You cannot perform incremental
RMAN-03002: failure of Duplicate Db command at 12/04/2017 05:06:59 shutdown clone immediate;
In all other cases, you must choose an alternative naming strategy for the duplicate files. This works in much the same way as the DB_FILE_NAME_CONVERT and can transform target file names from log_* to duplog_*.
/oradata1/SSP/undotbs2.291.916959571; ORA-38856: cannot mark instance UNNAMED_INSTANCE_2 (redo thread 2) as enabled
set newname for database to /oradata1/SSP/%b; archived log file name=/u01/app/oracle/product/dbhome_1/dbs/arch1_2280_916930730.dbf thread=1 sequence=2280
To create an initialization parameter file when not planning to use the SPFILE clause: Use an operating system utility to make a copy of the initialization parameter file of the source database in the operating system-specific default location.
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3. SSPRODDB1.__streams_pool_size=33554432 As shown in Example 25-7, you can also use SET NEWNAME to direct individual data files, temp files, or tablespaces to a specified ASM disk group. The only Oracle Managed Files in the source database are the data files in the users tablespace.
channel ORA_AUX_DISK_5: restored backup piece 1
To use SET NEWNAME to specify new file names: Follow Steps 1 through 4 in "Basic Steps of Database Duplication".
SSP comment= "alter session set nls_date_format=''dd.mm.yyyy hh24:mi:ss''"; backup
channel ORA_AUX_DISK_4: restoring archived log MAXDATAFILES 1024
datafile 4 switched to datafile copy
channel ORA_AUX_DISK_8: restoring datafile 00008 to /oradata1/SSP/sysaux.288.944822531 To transfer the backups from the source host to the destination host: Create a new directory in the source host that has the same name as the directory on the destination host that will contain the backups.
channel ORA_AUX_DISK_2: SID=127 device type=DISK channel ORA_AUX_DISK_8: specifying datafile(s) to restore from backup set
cataloged datafile copy
channel ORA_AUX_DISK_11: SID=159 device type=DISK
sqlplus /as sysdba.
Run the DUPLICATE command with one or more of the options in Table 25-6. ALLOCATE input datafile copy RECID=10 STAMP=961823188 file name=/oradata1/SSP/sysaux.281.916959463
Example 25-2 Duplicating with SET NEWNAME FOR DATAFILE and FOR TABLESPACE.
*.audit_file_dest=/u01/app/oracle/admin/SSPRODDB/adump
Assume that you maintain two hosts, srchost and dsthost. Hi My friend.If i am using ASM means i need to restore datafiles and SP file in ASM location the above duplicate will work ..? CHARACTER SET AL32UTF8, { ORACLE instance started.
It's good to talk you. {
7.
channel ORA_AUX_DISK_8: restore complete, elapsed time: 00:00:07 -- simple copy Hi Soumya,We use to delete the files.If you don't delete controlfile it may give error as control files already exists.Regards,ora-data Team.
Table 25-4 Initialization Parameter Restrictions for Oracle Managed Files.
channel ORA_AUX_DISK_3: starting datafile backup set restore
Specifically, you want to store the data files and control files in disk group +DISK2. backup as compressed BACKUPSET incremental level 0 tag RMAN_BKP_SSPRODDB FORMAT /nfs_bkpvol1/BACKUP/RMAN/SSPRODDB/full_db_%t_set%s_piece%p_dbid%I.rman database; input datafile copy RECID=15 STAMP=961823188 file name=/oradata1/SSP/system.289.942830555
Table 25-5 describes a subset of the possible initialization parameters.
Hello my family member!
executing command: SET NEWNAME All rights reserved. Manually transfer the backups in the new directory on the source host to the identically named directory on the destination host. This block size must match the block size of the source database. *.log_archive_dest_1=location=+FRA set newname for datafile 3 to Fixed Size 2230072 bytes The order of precedence means that SET NEWNAME FOR TABLESPACE specifies names for files not already named by SET NEWNAME FOR DATAFILE and SET NEWNAME FOR TEMPFILE, whereas SET NEWNAME FOR DATABASE specifies names for files not already named by SET NEWNAME FOR TABLESPACE, SET NEWNAME FOR DATAFILE, or SET NEWNAME FOR TEMPFILE.
/oradata1/SSP/users.294.940601841, channel ORA_AUX_DISK_2: piece handle=/oradata1/RMAN/SSPROD/full_db_961288205_set8942_piece1_dbid196682280.rman tag=RMAN_BKP_SSPRODDB
To use CONFIGURE AUXNAME to specify names for duplicate data files: Issue a CONFIGURE AUXNAME command for each file that you want to name in the duplicate database.
"Using Non-ASM Storage" discusses the details and options of OMF-managed data files. channel ORA_AUX_DISK_4: piece handle=/oradata1/RMAN/SSPROD/full_db_961288206_set8947_piece1_dbid196682280.rman tag=RMAN_BKP_SSPRODDB ow to restore as RMAN Duplicate database.
In this case, you must start the auxiliary instance with a text-based initialization parameter file.
*.sga_target=4026531840 Hope so you like this article!Please share your valuable feedback/comments/subscribeand follow us below and dont forget to click on the bell icon to get the most recent update. These cookies do not store any personal information.
NOTE: We are creating the clone database on a new server, we will have to move the backups from the Source Host to the Auxiliary Host (destination) in exactly the same location where it was created on the source server hence transferred the dedicated backup folder. Change the value of both convert parameters, SYS password, create PASSWORD file, etc.
channel ORA_AUX_DISK_1: restored backup piece 1 input datafile copy RECID=14 STAMP=961823188 file name=/oradata1/SSP/users.294.940601841 sql clone alter system set db_name = channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:01 I'll definitely digg it and personally suggest to my friends. channel ORA_AUX_DISK_6: restore complete, elapsed time: 00:00:01
2.
The difference is that you must identify the initialization parameters that control the location where files are created and set these parameters to an ASM disk group.
"Step 5: Creating an Initialization Parameter File and Starting the Auxiliary Instance" assumes that the source database instance uses a server parameter file. For example, use the BACKUP COPY OF DATABASE command to copy the backups in /dsk1/bkp on the source host to /dsk2/dup on the source host. channel ORA_AUX_DISK_5: piece handle=/oradata1/RMAN/SSPROD/full_db_961288206_set8948_piece1_dbid196682280.rman tag=RMAN_BKP_SSPRODDB SSPRODDB2.instance_number=2
We have completed successfully restore the database LABDBDUP using a Backup based Duplicate in Oracle.
In this example, you use active database duplication. It is not always necessary to duplicate all tablespaces of a database.
channel ORA_AUX_DISK_7: restored backup piece 1
Oracle Database Backup and Recovery Reference, Oracle Database Storage Administrator's Guide, "Step 2: Choosing a Strategy for Naming Duplicate Files", "Using SET NEWNAME to Create OMF or ASM Files", "Settings and Restrictions for OMF Initialization Parameters", "Using SET NEWNAME to Name File System Data Files and Temp Files", "Step 3: Making Backups Accessible to the Duplicate Instance", "Step 5: Creating an Initialization Parameter File and Starting the Auxiliary Instance", "Using DB_FILE_NAME_CONVERT to Generate Names for Non-OMF or ASM Data Files", "Using LOG_FILE_NAME_CONVERT to Generate Names for Non-OMF or ASM Log Files".
channel clone_default: deleting archived log(s) GROUP 1 ( /oradata1/SSP/redo01.log ) SIZE 50 M ,
The DB_NAME setting for the duplicate database must be unique among databases in its Oracle home. contents of Memory Script:
duplicate target database to SSP nofilenamecheck backup location /oradata1/RMAN/SSPROD using channel ORA_AUX_DISK_6
using channel ORA_AUX_DISK_5
using channel ORA_AUX_DISK_4 of databse as cp command in linux.
GROUP 2 ( /oradata1/SSP/redo02.log ) SIZE 50 M , SSPRODDB2.__shared_io_pool_size=536870912 allocated channel: ORA_AUX_DISK_12
channel ORA_AUX_DISK_2: reading from backup piece /oradata1/RMAN/SSPROD/arc_961288248_set8960_piece1_dbid196682280.rman datafile 8 switched to datafile copy Steps to take RMAN executing Memory Script
channel ORA_AUX_DISK_5: restore complete, elapsed time: 00:00:08
Table 25-1 Substitution Variables for SET NEWNAME. Cyclone Themes, Duplicate database until Point in Time recover, using backup location from RAC to single instance, Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window).
channel ORA_AUX_DISK_7: restore complete, elapsed time: 00:00:01
input datafile copy RECID=16 STAMP=961823188 file name=/oradata1/SSP/sysaux.288.944822531, contents of Memory Script:
#PointInTimeRecovery #DuplicateDatabase #RestoreDatabaseUsingBackupLocation, run channel ORA_AUX_DISK_3: specifying datafile(s) to restore from backup set
SSP READ WRITE, 12+ years of rich experience on Database Administrations and on Infrastructure Solution Architect.
set newname for datafile 5 to
The new file names in +DISK2 are generated by ASM and do not match the original file names in disk group +DISK1. entity to backup pieces as a tablespace to data files. See Oracle Database Reference provides more information about these parameters.
If the target database is not open in this scenario, then RMAN has no way to obtain the names of the tablespaces with undo segments. RMAN-03015: error occurred in stored script Memory Script SSPRODDB1.__pga_aggregate_target=1342177280
*.processes=150
This step is needed only for disk backups. *.db_create_file_dest=+DATA Table 25-5 Auxiliary Instance Initialization Parameters.
channel ORA_AUX_DISK_3: restored backup piece 1 AUXILIARY CHANNEL aux2 DEVICE TYPE DISK; ALLOCATE
channel ORA_AUX_DISK_8: restored backup piece 1 When NFS or shared disk is not an option, then the path that stores the backups must exist on both the source and destination hosts unless the BACKUP LOCATION option is used for the DUPLICATE command without a target or recovery catalog connection.
channel ORA_AUX_DISK_1: restoring control file Click here to get the SQL command to check the size of DATABASE.
input datafile copy RECID=6 STAMP=961823218 file name=/oradata1/SSP/system.289.942830555
The strategy that you use depends on whether the source and duplicate databases use Oracle Managed Files (OMF) or Oracle Automatic Storage Management (ASM).
--> to store backup at specific This chapter explains advanced forms of database duplication that are not covered in Chapter 24, "Duplicating a Database.". datafile 3 switched to datafile copy datafile 6 switched to datafile copy Variable Size 1929382088 bytes
Click here to get the SQL command to check the size of DATABASE. Required fields are marked *. Necessary cookies are absolutely essential for the website to function properly.
Redo Buffers 4947968 bytes. cataloged datafile copy
If the LOG_FILE clause has been omitted and none of the Oracle Managed Files initialization parameters DB_CREATE_FILE_DEST, DB_CREATE_ONLINE_DEST_n, or DB_RECOVERY_FILE_DEST are specified, then LOG_FILE_NAME_CONVERT can transforms target file names. executing command: SET NEWNAME
Note: we need to recover database until 29-11-2017 11am, to make sure, we need some specific information from Source database. By clicking Accept or by continuing to use this website, you consent to the use of ALL the cookies. archived log file name=/u01/app/oracle/product/dbhome_1/dbs/arch2_1706_916930730.dbf thread=2 sequence=1706 using channel ORA_AUX_DISK_10
channel clone_default: deleting archived log(s) Assume that the source database prod is on host1 and stores its data files in ASM disk group +DISK1.
11.
Specifies the default location for Oracle managed data files.
SSPRODDB1.__shared_pool_size=2382364672
location with formate>/%d_%T_%s_%p_FULL. Validate the database size, DBID, creation timestamp, archive enable, etc. Example 25-9 Excluding Read-Only Tablespaces.
using channel ORA_AUX_DISK_4
To specify a subset of tablespaces for a duplicate database: Ensure that you have completed Steps 1 through 4 in "Basic Steps of Database Duplication". For example, you may plan to generate reports that require only a subset of tablespaces from your source database. backup current controlfile tag RMAN_BKP_SSPRODDB FORMAT /nfs_bkpvol1/BACKUP/RMAN/SSPRODDB/ctl_%t_dbid%I.rman;
Replace require values according to Auxiliary instance and add below two parameters in the same format. This article is a continuation of a recent article where we have demonstrated RMAN Active Duplicate Database in Oracle from ASM to ASM click here to go through it. Example 25-3 Duplicating with SET NEWNAME FOR DATABASE. using. Click here to get the SQL command for How to find all physicals files in Oracle.
channel ORA_AUX_DISK_1: SID=96 device type=DISK The duplicated subset of tablespaces must be self-contained.
using channel ORA_AUX_DISK_2
Technical blogs are the source of vast information not about databases but its related product like middleware, PL/SQL, replication methodology, and so on.
Therefore, you do not have to specify options to exclude these tablespaces. channel ORA_AUX_DISK_5: starting datafile backup set restore
with RMAN database backup and RMAN duplicate database command which we were
It is mandatory to procure user consent prior to running these cookies on your website. /oradata1/SSP/users.283.916959463, SQL> alter system set _no_recovery_through_resetlogs=true scope=spfile; channel ORA_AUX_DISK_2: piece handle=/oradata1/RMAN/SSPROD/arc_961288248_set8960_piece1_dbid196682280.rman tag=RMAN_BKP_SSPRODDB UNTIL TIME TO_DATE(2017-11-29 11:26:28, YYYY-MM-DD HH24:MI:SS)
*.db_name=SSPRODDB The procedure in "Step 5: Creating an Initialization Parameter File and Starting the Auxiliary Instance" assumes that you use the SPFILE clause of the DUPLICATE command.
Create a PFILE for Auxiliary Instance. channel ORA_AUX_DISK_7: specifying datafile(s) to restore from backup set
Specifies the absolute file number of the data file for which the new name is generated.
SSP.__pga_aggregate_target=738197504 SSPRODDB1.undo_tablespace=UNDOTBS1, SSP.__db_cache_size=201326592 I'm confident they will be benefited from this website.
Example 25-11 is a variation of Example 24-1 except with the users tablespace included, which is assumed to be self-contained, and all other tablespaces excluded, except for SYSTEM and SYSAUX tablespaces and tablespaces with undo segments. input datafile copy RECID=12 STAMP=961823188 file name=/oradata1/SSP/users.283.916959463 Database Buffers 201326592 bytes
channel ORA_AUX_DISK_8: SID=66 device type=DISK For example, you can change the target file name from /oracle/ to /dup/oracle/.
channel ORA_AUX_DISK_5: restoring datafile 00005 to /oradata1/SSP/undotbs2.291.916959571 Right here is the right website for anybody who hopes to find out about this topic.You understand so much its almost hard to argue with you (not that I personally will need toHaHa).You certainly put a brand new spin on a topic that's been written about for ages.Great stuff, just great! This section explains how to specify names for the duplicate files when the following condition is true: The source and auxiliary hosts either use different directory structures or use the same structure but you want to name the duplicate files differently. Finally add the target in OEM, add/enable jobs in DBMS_scheduler/cronjobs, handover to the dependent team for checkout, etc as applicable if any. channel ORA_AUX_DISK_1: reading from backup piece /oradata1/RMAN/SSPROD/arc_961288248_set8959_piece1_dbid196682280.rman SSPRODDB1.__oracle_base=/u01/app/oracle#ORACLE_BASE set from environment
Step 1) Login SSPRODDB2.__sga_target=4026531840
Redo Buffers 4947968 bytes, Starting restore at 04-DEC-17
channel ORA_AUX_DISK_5: restoring archived log
We are back You must verify that all paths are accessible on the host where the database is being duplicated. datafile 3 switched to datafile copy
Assume that you perform backup-based duplication with a target connection, but no recovery catalog connection. Converts the file name of a new data file on the primary database to a file name on the duplicate database.
datafile 2 switched to datafile copy
{ channel ORA_AUX_DISK_8: piece handle=/oradata1/RMAN/SSPROD/full_db_961288205_set8945_piece1_dbid196682280.rman tag=RMAN_BKP_SSPRODDB But now a day RMAN is very necessary.
Pairs of strings for converting the names of data files and temp files. switch clone tempfile all; GROUP 3 ( /oradata1/SSP/redo03.log ) SIZE 50 M These cookies will be stored in your browser only with your consent.
}, executing Memory Script
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Click here to get the SQL command to check the size of DATABASE.
Validate the database size, DBID, creation timestamp, archive enable, etc.
Validate transferred files PFILE, PASSWORD FILE, and RMAN Backup.
*.undo_tablespace=UNDOTBS1, SQL> startup nomount pfile=/oradata1/SSP/ssppfile.ora;
channel ORA_AUX_DISK_1: SID=96 device type=DISK
during backups and restores.
SSPRODDB1.__java_pool_size=16777216
The control files for prod are located in /oracle/oradata/prod/.
archived log file name=/u01/app/oracle/product/dbhome_1/dbs/arch2_1707_916930730.dbf RECID=1 STAMP=961823189 SSP.__large_pool_size=33554432
use STANDBY because performance will not effect on PROD.
channel ORA_AUX_DISK_2: starting datafile backup set restore
RMAN Duplicate from RAC backup fails ORA-38856 (Doc ID 334899.1).
In the copied initialization parameter file, manually change DB_NAME to the name of the duplicate database. The fast recovery area contains multiplexed copies of current control files and online redo log files.
;
No votes so far! The procedure for creating a duplicate database to an ASM location is similar to the procedure described in "Settings and Restrictions for OMF Initialization Parameters". backups with image copies but you can do so with backup sets.
RMAN supports the following commands, listed in order of precedence: SET NEWNAME FOR DATAFILE and SET NEWNAME FOR TEMPFILE.
*.memory_target=2048M
channel ORA_AUX_DISK_5: piece handle=/oradata1/RMAN/SSPROD/arc_961374649_set8978_piece1_dbid196682280.rman tag=RMAN_BKP_SSPRODDB
SSP.__sga_target=1409286144
Fixed Size 2230072 bytes sql Example 25-1 Duplicating with SET NEWNAME FOR DATAFILE. RMAN-06136: ORACLE error from auxiliary database: ORA-38856: cannot mark instance UNNAMED_INSTANCE_2 (redo thread 2) as enabled, SQL> alter database open resetlogs;
Start SQL*Plus and connect to the auxiliary instance with SYSOPER privileges.
archived log file name=/u01/app/oracle/product/dbhome_1/dbs/arch1_2280_916930730.dbf RECID=3 STAMP=961823191
channel ORA_AUX_DISK_3: restored backup piece 1
Save my name, email, and website in this browser for the next time I comment.
NAME OPEN_MODE
datafile copy file name=/oradata1/SSP/system.289.942830555 RECID=6 STAMP=961823218
Example 25-5 Duplicating from ASM to ASM (Active). *.open_cursors=300 Database mounted.
channel ORA_AUX_DISK_6: SID=3 device type=DISK
In this case, RMAN automatically catalogs the backups in the new location.
datafile 5 switched to datafile copy set newname for datafile 7 to
channel ORA_AUX_DISK_6: restoring datafile 00006 to /oradata1/SSP/users.294.940601841
-->
startup nomount; ## it should start from spfile. group 1 (/oradata1/SSP/redo01.log) size 50M, Create a password file for Auxiliary Instance if its not already available on the Source Database and make sure created with the correct SYSs password.
cataloged datafile copy AUXILIARY CHANNEL aux5 DEVICE TYPE DISK; DUPLICATE
channel ORA_AUX_DISK_9: SID=97 device type=DISK SSPRODDB2.__streams_pool_size=33554432 channel clone_default: deleting archived log(s)
RMAN is not.
channel ORA_AUX_DISK_7: piece handle=/oradata1/RMAN/SSPROD/full_db_961288205_set8944_piece1_dbid196682280.rman tag=RMAN_BKP_SSPRODDB
When you specify LOG_FILE_NAME_CONVERT, RMAN uses the REUSE parameter when creating the online redo logs. Set this parameter to the location for the Oracle Managed Files. Another technique to generate names besides using SET NEWNAME or CONFIGURE AUXNAME commands is to use DB_FILE_NAME_CONVERT to transform target file names.
To use SET NEWNAME to specify names for Oracle Managed Files: Set the DB_CREATE_FILE_DEST initialization parameter at the auxiliary instance to the desired location.
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using channel ORA_AUX_DISK_5
executing command: SET NEWNAME
startup clone nomount;
Database dismounted.
media recovery complete, elapsed time: 00:00:05 using channel ORA_AUX_DISK_2 You must specify the location of this text-based initialization parameter file in the PFILE clause of the DUPLICATE command. 12.
using channel ORA_AUX_DISK_7 SSPRODDB1.__db_cache_size=1006632960
Example 25-6 illustrates a script that specifies literal names for data files 1 to 5.
channel ORA_AUX_DISK_3: restoring datafile 00003 to /oradata1/SSP/undotbs1.282.916959463 See Table 25-1 to learn about options for naming duplicate files.
Total System Global Area 2137886720 bytes
cataloged datafile copy When creating a duplicate database that uses Oracle Managed Files, you must set initialization parameters in the auxiliary instance.
SQL> select name, open_mode from v$database; set newname for datafile 6 to
Backup from database either PROD or STANDBY: We should
If the source data files use OMF, then you cannot rename them using DB_FILE_NAME_CONVERT. *.compatible=11.2.0.0.0 datafile copy file name=/oradata1/SSP/sysaux.281.916959463 RECID=1 STAMP=961823218
channel ORA_AUX_DISK_5: restored backup piece 1
/oradata1/SSP/sysaux.288.944822531; For example, if you intend to store the RMAN backups in /dsk2/dup on the destination host, then create /dsk2/dup on the source host.
recover
datafile 6 switched to datafile copy
*.db_recovery_file_dest=+FRA Example 25-6 Duplicating with SET NEWNAME FOR DATAFILE and FOR TABLESPACE. For this is it a must to delete Data & control files from target?
archived log thread=1 sequence=2280
channel ORA_AUX_DISK_4: specifying datafile(s) to restore from backup set using channel ORA_AUX_DISK_11 channel ORA_AUX_DISK_5: reading from backup piece /oradata1/RMAN/SSPROD/full_db_961288206_set8948_piece1_dbid196682280.rman
}
/oradata1/SSP/system.289.942830555;
/oradata1/SSP/temp.290.916959535; You cannot exclude the SYSTEM and SYSAUX tablespaces, tablespaces with SYS objects, undo tablespaces, tablespaces with undo segments, tablespaces with materialized views, or tablespaces in such a way that the duplicated tablespaces are not self-contained.
datafile 8 switched to datafile copy
alter clone database mount;
The block size for the duplicate database. channel ORA_AUX_DISK_4: starting datafile backup set restore
SSP STARTED, NAME TYPE VALUE
When using SET with FOR DATABASE or FOR TABLESPACE, however, you must use at least one of the first three substitution variables summarized in Table 25-1 (%I and %N are optional). connect as sysdba , i.e.
channel ORA_AUX_DISK_6: starting datafile backup set restore
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Starting Duplicate Db at 04-DEC-17 On the source host, copy the backups to the directory created in the previous step, and then catalog the backups.
; - SSPRODDB2.__pga_aggregate_target=1342177280
For example, enter the following commands at the RMAN prompt to specify names for data files 1 through 5: For example, enter the following command at the RMAN prompt: RMAN uses the CONFIGURE AUXNAME settings to name data files 1 through 5.
MAXINSTANCES 32
Dear Ganga,Hope this may useful for you:https://web.stanford.edu/dept/itss/docs/oracle/10gR2/backup.102/b14191/rcmdupdb006.htmRegards. Example 25-10 shows how to skip a tablespace named tools. Oracle instance shut down
SSP STARTED.
*.processes=150 Do not specify LOG_FILE_NAME_CONVERT if you set Oracle Managed Files initialization parameters.
datafile 7 switched to datafile copy Redo Buffers 4947968 bytes *.control_files=+DATA/ssproddb/controlfile/current.285.916959529,+DATA/ssproddb/controlfile/current.284.916959529 connected to auxiliary database (not started), sql statement: CREATE CONTROLFILE REUSE SET DATABASE SSP RESETLOGS ARCHIVELOG
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input datafile copy RECID=4 STAMP=961823218 file name=/oradata1/SSP/undotbs2.291.916959571 using channel ORA_AUX_DISK_1
catalog clone datafilecopy /oradata1/SSP/sysaux.281.916959463, : You cannot perform incremental
RMAN-03002: failure of Duplicate Db command at 12/04/2017 05:06:59 shutdown clone immediate;
In all other cases, you must choose an alternative naming strategy for the duplicate files. This works in much the same way as the DB_FILE_NAME_CONVERT and can transform target file names from log_* to duplog_*.
/oradata1/SSP/undotbs2.291.916959571; ORA-38856: cannot mark instance UNNAMED_INSTANCE_2 (redo thread 2) as enabled
set newname for database to /oradata1/SSP/%b; archived log file name=/u01/app/oracle/product/dbhome_1/dbs/arch1_2280_916930730.dbf thread=1 sequence=2280
To create an initialization parameter file when not planning to use the SPFILE clause: Use an operating system utility to make a copy of the initialization parameter file of the source database in the operating system-specific default location.
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3. SSPRODDB1.__streams_pool_size=33554432 As shown in Example 25-7, you can also use SET NEWNAME to direct individual data files, temp files, or tablespaces to a specified ASM disk group. The only Oracle Managed Files in the source database are the data files in the users tablespace.
channel ORA_AUX_DISK_5: restored backup piece 1
To use SET NEWNAME to specify new file names: Follow Steps 1 through 4 in "Basic Steps of Database Duplication".
SSP comment= "alter session set nls_date_format=''dd.mm.yyyy hh24:mi:ss''"; backup
channel ORA_AUX_DISK_4: restoring archived log MAXDATAFILES 1024
datafile 4 switched to datafile copy
channel ORA_AUX_DISK_8: restoring datafile 00008 to /oradata1/SSP/sysaux.288.944822531 To transfer the backups from the source host to the destination host: Create a new directory in the source host that has the same name as the directory on the destination host that will contain the backups.
channel ORA_AUX_DISK_2: SID=127 device type=DISK channel ORA_AUX_DISK_8: specifying datafile(s) to restore from backup set
cataloged datafile copy
channel ORA_AUX_DISK_11: SID=159 device type=DISK
sqlplus /as sysdba.
Run the DUPLICATE command with one or more of the options in Table 25-6. ALLOCATE input datafile copy RECID=10 STAMP=961823188 file name=/oradata1/SSP/sysaux.281.916959463
Example 25-2 Duplicating with SET NEWNAME FOR DATAFILE and FOR TABLESPACE.
*.audit_file_dest=/u01/app/oracle/admin/SSPRODDB/adump
Assume that you maintain two hosts, srchost and dsthost. Hi My friend.If i am using ASM means i need to restore datafiles and SP file in ASM location the above duplicate will work ..? CHARACTER SET AL32UTF8, { ORACLE instance started.
It's good to talk you. {
7.
channel ORA_AUX_DISK_8: restore complete, elapsed time: 00:00:07 -- simple copy Hi Soumya,We use to delete the files.If you don't delete controlfile it may give error as control files already exists.Regards,ora-data Team.
Table 25-4 Initialization Parameter Restrictions for Oracle Managed Files.
channel ORA_AUX_DISK_3: starting datafile backup set restore