Backup & Recovery :: 2 Separate RMAN Backup One Backup Is Of Only Datafile
Jan 24, 2011
I have 2 seperate rman backup one backup is of only datafile ,spfile and controlfile which i am able to restore and recover without any problem say bkp1 taken at 10 am
other set of backup is of only archive log files of same day but later time than datafile backup say bkp2 taken at 8pm...if i restore and recover bkp1 and try to restore bkp2 it gives error datafile exist (possibly due to fact both backup have control file)
if i just restore bkp1 and try to restore bkp2 so that i can do one recover at time
it gives error datafile permission issue (possibly due to fact both backup have control file)
I want to restore database upto 8pm time how can i use both bkp1 and bkp2 to do it(restore datafiles and apply all archive logs on it)
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Oct 18, 2012
understanding rman scn based Backup Algorithm .. In SCN based backup do rman generate backup from archivelogs ???
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Dec 16, 2011
how i can change backup datafile name into its original file name,bcoz at time backup datafile name is different and how i can change that name into its original datafile name so i apply recovery command in user managaed recovery..
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Dec 28, 2011
How i can take manually backup of datafile..using OS command
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Oct 13, 2011
I have no backup taken in my oracle server.Today morning i created a data file and unknowingly deleted it. Now i need to restore the datafile with its contents without using RMAN.
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Feb 26, 2012
We are doing RMAN Duplicate set until time to refresh daily our test database for our developers and it taking long time to finish. We noticed on the restore log that RMAN was using a day old old backup pieces to refresh the test database and don't immediately use the latest backup pieces instead.
For additional details here's the rman duplicate command we are using which we run daily(mon-sat) at 4am once daily full backup on production completed.
RMAN Duplicate commands:
run
{
set until time "to_date(to_char(sysdate,'Mon DD YYYY') || ' 04:00:00', 'Mon DD YYYY HH24:MI:SS')";
allocate auxiliary channel ch1 type disk;
duplicate target database to testdb;
}
exit
Is there a way on how to let RMAN use the latest backup pieces instead?
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Dec 22, 2012
I created a tablespace named 'data'.During create a new user with default tablespace 'data',I got following error message:
SQL> create user rman identified by rman default tablespace data
temporary tablespace temp
ERROR at line 1:
ORA-00604: error occurred at recursive SQL level 1
ORA-01655: unable to extend cluster SYS.C_USER# by 2 in tablespace
OS:Windows XP
Oracle 10g
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Jan 28, 2011
I am tryign to run a split onlike full backup from the os useign the sap command which is linked to rman..Command that i am useing is ...
brbackup -u / -c force -t online_split -m full -p initBR1_onlinefull.sap
The backup goes thru but i get this erro on the end...
BR0522I 57 of 57 files/save sets processed by RMAN
BR0280I BRBACKUP time stamp: 2011-01-26 12.23.26
BR0505I Full database backup (level 0) using RMAN successful
BR0280I BRBACKUP time stamp: 2011-01-26 12.23.28
[code]...
Copyright (c) 1982, 2007, Oracle. All rights reserved.
RMAN>
connected to target database: BR1 (DBID=2250873886)
using target database control file instead of recovery catalog
RMAN> 2> 3> 4> 5> 6> 7> 8> 9> 10> 11> 12> 13> 14> 15> 16> 17> 18> 19> 20> 21> 22> 23> 24> 25> 26> 27> 28>
29> 30> 31> 32> 33> 34> 35> 36> 37> 38> 39> 40> 41> 42
[code]...
Recovery Manager complete.
ERR_RC: 1
BR0280I BRBACKUP time stamp: 2011-01-26 12.23.32
BR0279E Return code from 'brtools -f printcmd -U /oracle/BR1/sapbackup/..befcdgxn..cmd -C
/oracle/BR1/sapbackup/.befcdgxn.cmd | rsh scrbdefrmr207 /bin/sh -c "'LANG=C SHELL=/bin/sh/oracle/BR1/102_64/bin/rman
[code]...
I have check on the system .. There is not file like that but thwre on on the db i,e
eshtsm20:orabr1 88> pwd
/oracle/BR1/sapdata1/perfman_1
eshtsm20:orabr1 89> ls -ltr
total 102408
-rw-r----- 1 orabr1 dba 104865792 Aug 30 09:05 perfman.data1
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Feb 9, 2011
Is it possible to restore dropped table OR wrongly updated table using RMAN backup.
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Jan 8, 2013
Is this script is enough to delete the backup pieces older than 2 days.
CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 2 DAYS;
configure device type disk parallelism 1 backup type to compressed backupset;
run
{
allocate channel d1 type disk ;
backup filesperset 5 format '/u06/backup/EBSDEV/EBSDEV_data_t%t_s%s_p%p' database ;
sql 'alter system archive log current' ;
backup filesperset 20 format '/u06/backup/EBSDV3/EBSDV3_arch_t%t_s%s_p%p' archivelog all delete input ;
[Code]....
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Jan 8, 2013
Does the full cold backup of rman include online redologs?
So that at the time of recovery when i restore the database the online redologs also restored to that point?
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Mar 19, 2009
Would like to check how do we check the current value for limit channel in rman backup..
eg set limit channel d1 kbytes 2024800;
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Nov 17, 2012
We have configured tivoli and getting the below error while execute rman backup.
> rman target / catalog rman/*****@CATLOGDB
Recovery Manager: Release 11.2.0.3.0 - Production on Sat Nov 17 13:35:03 2012
Copyright (c) 1982, 2011, Oracle and/or its affiliates. All rights reserved.
connected to target database: AMTMXPRD (DBID=534215973)
connected to recovery catalog database
[code]....
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May 3, 2011
I am trying to setup incremental backup on my windows OS based server using RMAN command in batch file. When I use batch file in OS scheduler it is working fine, when I am calling same batch file from my LOCAL desktop PC it throws errors as below.
D:> \3.193.211.19sgdba
mankp_acressit.bat
D:>rman catalog rman/******@acressit target / cmd
file=E:sgdba
mankp_arch.rcv log E:sgdba
mansit_arch_rman_backup.log
RMAN-00557: could not open MSGLOG "E:sgdba
[code]....
Both single and double quotes (' or ") are accepted for a quoted-string.
Quotes are not required unless the string contains embedded white-space.
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-00556: could not open CMDFILE "E:sgdba
mankp_arch.rcv"
[code]....
* on my DB server I am login using my administrator account, on my PC I dont have admin account.
* I have checked remote execution using local user as well as admin user.
* I have checked the permission and my local ID & EVERYONE has all permission in that folder.
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Jun 21, 2011
We are using Oracle 10g R2 in Windows Server 2003. I'm trying to restore a database in a new server, using RMAN backups.
Our external consultant configured RMAN scripts for full and incremental backups but never tested them . Since he just doesn't show up, I'm forced to tested them, restoring the whole database in a new server.
My instance is named MTDPROD, and I will create all from scratch.
At current server, RMAN files are generated in:
//192.168.1.149/g$/XXXSRV4-ArcLogs/MTDPROD/RMAN
At new server, I run all these commands:
C:>oradim -new -sid MTDPROD -intpwd mtdprod
Instance created
-- I created the relevant folder hierarchy under <ORACLE_BASE>
directory
-- Then, I created the relevant directories for Oracle Database, as
follows:
--a. Create BDUMP, CDUMP, and UDUMP directories under '<ORACLE_ BASE>
[code]....
By instance, I see a lot of this kind of files:
- FULL_MTDPROD_20110529_386_1.BAK
- INCR_MTDPROD_20110621_480_7.BAK
And only see these two files:
- C-2169285856-20110527-03
- C-2169285856-20110527-04
It seems that this C-2169285856-.... files only were on 27/05/2011 and then no more. However, the FULL_... and INCR_.. files are generated every day. The FULL is generated at the end of each month and INCR is generated every day.
This is the backfull.sql:
run {
allocate channel c1 type disk maxpiecesize=4G;
CROSSCHECK archivelog all;
backup
incremental level 0
format '\192.168.1.149g$XXXSRV4-arclogsMTDPRODRMANFULL_
[code]....
This is the backincr.sql:
run {
allocate channel c1 type disk maxpiecesize=4G;
CROSSCHECK archivelog all;
backup
incremental level 1 cumulative
format '\192.168.1.149g$XXXSRV4-arclogsMTDPRODRMANINCR_
%d_%T_%s_%p.bak'
[code]....
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Oct 29, 2011
Tape streaming is not happening while performing RMAN tape backup. On investigation, you find that it is not because of the incremental backup or the empty file backup and that RMAN is sending data blocks to the tape drive fast enough.What could be a solution to make tape streaming happen during the backup?
A.Configure backup optimization
B.Configure the channel to increase MAXOPENFILES
C.Configure the channel to increase the capacity with the RATE parameter
D.Configure the channel to adjust the tape buffer size with the BLKSIZE option
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Nov 7, 2010
We have the requirement of performance testing of our proposed production platform, for this i am asked to take RMAN backup of clean position (Say Day0 or baseline backup) and restore it multiple times for few rounds of testing. My question is after 1st restore (with set until time of day0 position) if i open the database with resetlogs, would i be able to restore same clean backup again? I am using control file in the environment instead of RMAN catalog database. What i can do to make this scenario work? I am already in preperation of setting rman catalog database.
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May 30, 2012
How can be identify a particular archive-log file have backup or not from rman catalog?
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May 22, 2012
database size is 30GB is it recommended for RMAN backup
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Dec 13, 2011
This is what I run
run {
CONFIGURE CONTROLFILE AUTOBACKUP ON;
CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO '/dd_oraback/tkprod/%F';
CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 22 DAYS;
sql 'alter system archive log current';
[code]...
So /dd_oraback is a Data Domain mount. Not sure if that makes any difference or not.
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Feb 13, 2012
I am attempting to use an rman backup form our live server to restore live data over an existing dev database with a different name. I cant use the duplicate command as the versions of oracle are different (10.2.0.4 EE on live, 10.2.0.5 SE on dev) So I copied the backup sets including an autobackup control file onto the dev server. I set the ORACLE_SID to the DEV version (SUN43DEV) and startup nomount and restore controlfile from the backup location. This works and restored the live controlfile. However, I then wanted to mount the database and catalog the backupsets before making a note of the last archivelog etc and restoring the backup with set newname options. But when I try to mount the database I am told that the database has a different name (SUN43 is not SUN43DEV). I read somewhere that I need to set the ORACLE_SID to the live value (SUN43) and restore as that, then use nid TO RESET THE DBID and DATABASE NAME. However, my tnsnames on DEV has no entry for the live database, and we do not have any service defined through ORADIM for the live instance on the dev server. Should I be creating an entry in DEV tnsnames that actually looks at the LIVE server? or do I need to create a service and tns entry etc for SUN43 on my DEV server pointing at the DEV server I have not seen any mention in instructions of creating a service or adding the entry to tnsnames, or indeed adding an entry to the listener for the original live sid. I am worried that if I actually point to the live server then the restore would be attempted on the live server not dev even though I am running it from Dev.
Also, do I need to drop the existing database on DEV before I restore or will RMAN just restore over the top of it?
Finally, if I try to add an entry to the LISTENER.ORA for the new sid, when I stop and start the listener, or reload, the entry is not recognised. I also noticed that the existing SUN43DEV entry is not in there either, yet I can still use that SID - I am assuming that is because the listener is not being used and the sid is recognised from the existence of the service in windows services instead?
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Dec 13, 2011
can we restore database from obsolete backup using rman
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Mar 16, 2011
Is it Possible to Maintain real Time Backup using RMAN ?
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Jul 19, 2013
I am running Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
I ran the following commands in RMAN:
RMAN>
connect target /
CONFIGURE COMPRESSION ALGORITHM 'MEDIUM' ;
set encryption identified by 'xxxx' only;
run {
[code]...
I get the follwing error:
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03009: failure of allocate command on ch1 channel at 07/19/2013 06:57:4
ORA-03113: end-of-file on communication channel
[code]...
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Jul 28, 2011
We all know about the new feature introduced in Oracle 11g ie. "Deferred Segment Space management" in which there in no segment allocated to table which is empty, which means that only the data is going to be inserted in the table the first segment is going to be allocated.
I created a user assigned a default tablespace to it, created 3 tables, two of them having data and 1 empty table.
When I did export using the export utility, I found that the empty table was not included however the same situation contradicted when I did the export using "EXPDP".
I want to know is the something of tables missing in export happen in RMAN backup of the tablespace which I have assigned to that user.
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Apr 27, 2012
Does change in segment size effect the rman backup size..??
I'm trying to understand do Rman backup the empty block from datafiles..?? And if it escape the empty block than inserting data in tables (increasing the number of used block) might change the size of total backup (Rman) size
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Mar 27, 2012
I have been updating data in my database by adding numerous rows and assume the insertion of rows started from 1st date of january month.
I have been entering somehow or the other part of data every day.And now the date is 25th of january.
How can i take a partial backup of my database of the transactions done between 15th of January to 20th of January Month
How to take Backup of a particular date say it be 12th of january month.
How to take backup of first 10 days i.e., 1st-10th of january.
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Mar 14, 2012
How to setup the database for automated RMAN backup. like if we want to have a backup exactly at 8:00 PM IST. So how to configure it.
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Jan 11, 2012
We have production database.We would like to have 15 last online full backups (sheduled once a day) and to be possible to restore database to a point in time only between last backup and current time.
If I configure retention window for 15 days, archive redo logs in last 15 days are also backed up, and this consumes lot of space, which is a problem here (database files and arhive logs are of a huge size).(There is enough space for 15 full backups and archive log for one day though)
How to configure RMAN for this?I was thinking about configuring retention policy for 15 days and adding this lines at the and of a daily RMAN cronjob:
backup archivelog all not backed up;
CROSSCHECK BACKUP DEVICE TYPE DISK;
DELETE NOPROMPT ARCHIVELOG ALL;
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Jun 26, 2012
My automated RMAN backup plan.
ShutdownDB1.bat
set oracle_sid = pldg
C:oracleproduct10.2.0insqlplus.exe /nolog @c:oraclebackupshutdowndb2.sql
ShutdownDB2.sql (called by the previous batch file)
set echo on
spool C:oraclebackupShutdownDB.log
connect /@pledgemaker as sysdba
shutdown immediate
spool off
exit
<Here there will be a thirty minute window or so while I XCOPY the Oracle Inventory and Oracle Home directories.>
RMANBackup1.bat
set oracle_sid=pldg
C:oracleproduct10.2.0BIN
man.exe target / cmdfile = 'c:oraclebackup
manbackup2.scr'
log = 'c:oraclebackupRMANBackup.log'
RMANBackup2.scr (called by the previous batch file)
startup mount
backup database
alter database open
exit
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