Questions tagged [rman]

RMAN is Short for Recovery Manager is an Oracle command line tool for doing backup, restore, and recovery operations. Also tag RMAN questions with the appropriate Oracle version tag.

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Restore PDB with rman

I have a DB running in NOARCHIVELOG mode with some users and their schemas. I'm creating a backup of my PDB using the following commands in rman (I'm connected to the PDB): SHUTDOWN IMMEDIATE; STARTUP ...
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27 views

RMAN Duplicate PITR without connection to Target database

I would like to understand which network requirements are needed following the least privilege needed policy in order to perform a DUPLICATE DATABASE UNTIL SCN in this scenario My environment is Azure,...
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41 views

RMAN - Archivelog deletion policy ignored

After a full backup on an Oracle 12.1 database with retention policy set to 1 and ARCHIVELOG DELETION POLICY BACKED UP 2 TIMES TO DISK, if a run delete obsolete device type disk, all archivelogs are ...
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40 views

Production filesystem is at 100%. Move the datafiles to a new filesystem?

As the title states our file system reached 100% capacity and I want to try moving the tablespaces datafiles to a new filesystem. I'm attempting to follow the steps from this link: http://www.dba-...
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40 views

Oracle: Corrupt datafile will not turn back online?

need immediate assistance on an issue... Oracle Support is taking way too long to respond back on. We have a corrupt datafile in one of our tablespaces, I attempted to shut the datafile offline, and ...
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21 views

How do I start RMAN over with a DB that has the same name as an older DB?

in RMAN, i unregister the DB and all iterations of it disappear, but then I re-register and it all comes back. This is a clone restore of a production DB to a dev DB that used to exist but has "...
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31 views

Changed DB_RECOVERY_FILE_DEST path, but RMAN still backs up to the old path?

I just recently changed the DB_RECOVERY_FILE_DEST parameter to point to a new directory path. However, I noticed only some archivelogs and backup sets are going to this new directory path and some are ...
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78 views

Is DB_FILE_NAME_CONVERT just needed when in the same machine?

I am a little confuse. I have created a primary database with DG names +DADOS AND +DGARC, and the standby (in another server) with DG names +DATA and +FRA. I don't have configured the ...
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33 views

Successful RMAN restored database contains very old data

I have an Oracle 12.1.0.2.0 database that I am doing an RMAN test restore to a separate machine as part of DR preparedness test. This same process has been done with no issues every few months for ...
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37 views

Oracle database 12C restore script

i'm trying to create backup restore script . in short my backup script creating new directory every day from the operating system level and then backup the database using the directory created i tried ...
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Best RMAN Strategy for Oracle VLDB 30TB in NOARCHIVELOG mode

I would like to have your ideas regarding how to optimize backup/restore in a VLDB Oracle Database Environment: RAC 19c 4 Nodes Version 19c Size: 32TB Mode: NOARCHIVELOG Let me explain some ...
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195 views

Restore oracle database 12C incremental backup on daily basis

i need to restore my backup at different database server with following sequence on daily basis level 0 incremental only once level 1 incremental everyday i did the level 0 restore successfully ...
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94 views

Changed RMAN backup location, but still seeing the FULL DB backup going to the old location?

I just recently changed the db_recovery_file_dest value to our new directory location. I can see the archive logs going to the new location and the backupsets. However, our FULL DB backup is still ...
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93 views

Data Guard 12.2 without Force Logging

I would like to know your opinion and experience in a specific setup I want to apply to a Production Database that is configured in Oracle Data Guard with one Standby. It is not an active data guard ...
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54 views

RMAN archive logs are no longer automatically being generated?

To preface... I have mentioned this before in a previous question, but I'll add it again: Our Senior Oracle DBA has just recently passed away, and I've been taking over. My level of experience is just ...
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81 views

Precautions before relocating the RMAN backups?

To preface... I have mentioned this before in a previous question, but I'll add it again: Our Senior Oracle DBA has just recently passed away, and I've been taking over. My level of experience is just ...
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73 views

RMAN configuration suggestions to help save our storage space?

To preface... Our Senior Oracle DBA has just recently passed away, and I've been taking over. My level of experience is just a junior level. So there is a lot I still don't understand. So I appreciate ...
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72 views

delete obsolete archivelog

I have an oracle instance aws recently migrated to RDS aws I just noticed that my database is set by default in archivelog mode and that the archivelog are not deleted who has any idea how deleted the ...
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33 views

Force database open after incomplete restore (without archive/redo)

For example, let's assume we need to restore the database, but we also have lost all archive logs. So we issue the following command in RMAN (just restore, without recover). RMAN> run{ 2> set ...
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47 views

I can't start an incremental database backup

When I'm trying to parse the following instruction in RMAN: backup incremental level 0 database plus archivelog delete input; It creates the backup properly but when the backup starts, I'm getting ...
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How can I keep ASM groups in Oracle RMAN Duplicate?

Oracle 11.2.0.4 Whenever I issue a DUPLICATE on a Oracle backup, it always places all the files in to the default ASM diskgroup. I usually have the same ASM diskgroup structure at source and ...
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72 views

Oracle Secure Backup + Amazon S3 / RMAN-06172: no AUTOBACKUP found or specified handle is not a valid copy or piece

I have backup in Amazon S3 that was created without AUTOBACKUP settings. trying to recover parameter file: RUN { SET DBID 3427966416; ALLOCATE CHANNEL ch1 DEVICE TYPE sbt parms 'SBT_LIBRARY=/home/...
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55 views

Oracle 12cR1 - Duplicate Database With No Resetlogs

Database version: Oracle 12cR1 Operating system: Oracle Linux 7.x ASM: yes Duplicate script: cat duplicatetodisaster.sh ORACLE_UNQNAME=xxx ORACLE_SID=xxx ORACLE_HOME=xxx rman target sys/***@PROD ...
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30 views

RMAN Catalog requirement with DataGuard

If you have an 11g or 19c Oracle Standby DB setup using dataguard must you use an RMAN catalog when backing it up? I ask, because it was a requirement in much older versions of Oracle (e.g. 9i) but I ...
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559 views

RMAN-08120: warning: archived log not deleted, not yet applied by standby

BACKUP DATABASE PLUS ARCHIVELOG DELETE INPUT; In Data Guard environment this command tries to 1.backup archivelog before starting backup 2.delete archivelog before starting backup 3.backup database 4....
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Does Oracle use rowid to recover from redo log and archives?

I am learning about supplemental logging and this questios has came into my mind. What I have understood is, Oracle just save an image of the modified column in redo logs, that is why we need to ...
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10 views

Backing up an Oracle Standby database

I have a quick rman Backup question. If I would like to run RMAN backups on my (dataguarded) 11g physical standby database, what status should that standby db be in? At the moment the standby is in ...
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88 views

The "unexpected greater" PGA size allocated in rman channel

Environment: RHEL 6.9、 Oracle 11.2.0.4 When we running some rman backup/restore jobs, we found the actual PGA size could greatly exceed the predefined limit value about PGA: Why the following ...
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116 views

ORA-7445 kills PMON instance

I restored an Oracle 12.1.0.2 database using RMAN full backup from a RAC+ASM enviroment to single instance enviroment with less memory and cpu (for test purposes) using this document Doc ID 1338193.1. ...
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52 views

Oracle 12cR2 - Upgrade Catalog Command Taking Too Much Time

I patched my database (Windows database bundle patch 12.2.0.1.201020 (31654782)). There are 6 instances on the server. After the patch, the UPGRADE CATALOG command I ran on RMAN for the first 5 ...
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34 views

RMAN windows client

can you please explain me - when I run : rman target sys/<sys_PWD>@SRC_DB auxiliary sys/<sys_pwd>@TRGT_DB from MY WINDOWS PC - will it copy data from SRC_DB to TRGT_DB through MY WINDOWS ...
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121 views

Is it possible to duplicate a standby database on the fly?

Can I duplicate a standby database on the fly? Currently, I'm getting this error: RMAN-03002: failure of Duplicate Db command at 01/08/2021 01:55:58 RMAN-05501: aborting duplication of target ...
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30 views

The doubt about the long_waits column in the V$BACKUP_ASYNC_IO

Why there would always be many non-zero long_waits values in the V$BACKUP_ASYNC_IO, which indicates waiting the O/S blocking I/O completed? Note: as is well-known, the async_io mode cannot be blocking ...
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1answer
55 views

RMAN Restore control file and SP File

I need to perform an incomplete recovery. We keep 7 days of backups, and I want to restore the database as it was 7 days ago. I've not done this before. My question is: I can use the SET UNTIL TIME ...
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47 views

Oracle 12cR2 - Image Copy Backup Scenario

Backup type: Image copy. Scenario: I want to 1 full db + 6 incremental backup and keep last 7 days backup on storage. Here is my script: RUN { allocate channel c1 device type disk format '/path/%U'; ...
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37 views

Why my oracle BKP script keeps going to $ORACLE_HOME\dbs

I have this script to make a lvl0 BKP of my Oracle database. Also I'm forcing to allocate in a directory it keeps going to the $ORACLE_HOME\dbs and not to the one I pointed in the configuration disk ...
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2answers
330 views

Oracle 12cR1 - RMAN-11003, ORA-00354, ORA-00353 - Corrupt Redo Log

Oracle 12cR1, disaster database. ORA-00283: recovery session canceled due to errors ORA-00354: corrupt redo log block header ORA-00353: log corruption near block 8 change 80357235718 time 11/01/2020 ...
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160 views

RMAN deletes all conrtolfile autobackups

We have Oracle 18c and RMAN with: CONFIGURE RETENTION POLICY TO REDUNDANCY 1; CONFIGURE CONTROLFILE AUTOBACKUP ON; # default CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO '+FRA'; We ...
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1answer
190 views

Oracle 12cR2 RMAN - ORA-01547, ORA-01194, RMAN-06054

Oracle 12cR2. Error: channel default: deleting archived log(s) archived log file name=+RECO/.../thread_1_seq_166200.26582.1054942673 RECID=62 STAMP=1054943183 archived log file name=+RECO/.../...
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148 views

we still can't find backup archivelog in local controlfile

Oracle database is Oracle 11.2.0.3 version. Every one hour, archivelog will backup to netbackup tape. But it is strange, even when we use resync catalog command, we still can't find the backed up ...
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303 views

Manually delete AUTOBACKUP of controlfile

My boss has decided to change retention policy to a 31 days period instead of redundancy of 4 copies. One of the side effects is that autobackups get obsolete after 31 days. This is the configuration ...
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1answer
26 views

Why can't I use FORMAT in Fra?

I have started working with RMAN and I have seen several comments that FORMAT should never be used when saving files to the FRA. Is there a reason for that? For example, I use some powershell to build ...
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1answer
43 views

Restore rman backup on another server with a higher Oracle release

I would like to know if it is possible to restore a full backup made with rman of an Oracle9i Enterprise Edition Release 9.2.0.6.0 on another server with Oracle9i Enterprise Edition Release 9.2.0.8.0, ...
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261 views

Can't create diskgroup in Oracle 19c

I've successfully installed Oracle 19c with this article. Now I need to restore the database from existing backups. I've first restored the control file, then I started to restore the database: rman&...
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1answer
405 views

RMAN restore of primary database - impact on standby database

I've just restored an 11g primary DB that was destroyed. Restored the controlfile from tape and performed a full restore, recovery, and open resetlogs. Looks fine now. How will my physical standby (...
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90 views

Oracle 11g RMAN restore without catalog

I need to restore an Oracle 11.2.0.4 database from Netbackup on to a different host. Is it possible to duplicate the DB with RMAN into an Auxiliary DB but without a recovery catalog? If it’s not ...
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61 views

Oracle 11g migration to AWS

I have an on premise oracle 11g database that i have to migrate to an EC2 instance hosting Oracle 11g in AWS. I have three options to achieve this Use Oracle Data guard to replicate the on premise ...
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1answer
84 views

RMAN Backups - Can more than one media management software solution be used?

Does anyone know if it's possible for two different backup utilities to be used to backup the same Oracle database? Both utilities would use RMAN. So, for example, take an Oracle 11g standby DB with a ...
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1answer
787 views

Oracle - MUST_RENAME_THIS_LOGFILE in logfile name

I'm creating a data guard using hot backup from the primary server. In my restore I've used the following commands to restore: run{ set newname for database to '+DADOS'; restore database; switch ...
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1answer
41 views

RMAN Creating automatic instance fails

I am trying to transport a tablespace in RMAN. The command I'm running is transport tablespace usr_table auxiliary destination '/oracle/rman/auxFiles' tablespace destination '/oracle/rman'; The ...

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