Get a basic grounding in backup and restore technology including tape, disk, snapshots, deduplication, virtual tape, and replication technologies. Compare and contrast backup and restore alternatives to achieve data protection and data recovery. Identify and define backup and restore operations and terms.
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- Overview of RMAN Backups. Backing up all or part of your database is accomplished by using the BACKUP command from within the RMAN client.. RMAN uses the configured settings and channels for your database, the record of previous backups in the RMAN repository and the control file's record of the structure of your database to determine an efficient set of specific steps to perform in response ...
- RMAN > backup database plus archivelog; Starting backup at 30-OCT-13 current log archived allocated channel: ORA_DISK_1 channel ORA_DISK_1: SID = 36 device type = DISK channel ORA_DISK_1: starting archived log backup set channel ORA_DISK_1: specifying archived log (s) in backup set input archived log thread = 1 sequence = 1 RECID = 1 STAMP ...
Jan 29, 2019 · How to Setup Physical Standby Database using RMAN Backup Restore- Quick and Dirty way Assumption: It is assumed that you already have single instance database installed and configured and you want to setup physical standby database for this primary database to protect you data from disaster recovery etc.
- May 09, 2003 · Your tape device will be /dev/st0 which will rewind the tape after a command or /dev/nst0 which will not rewind the tape after a command. Not sure what commands are for the autoloader mt -f /dev/st0 status ( prints status of device) Check with linux applications sites like wwwlinuxapps.com or www.freshmeat.net for backup software.
Oct 05, 2015 · 8) We now need to refresh the standby controlfile from primary controlfile (for standby) backup. However, since the datafile names are likely different than primary, let’s save the name of datafiles on standby first, which we can refer after restoring controlfile from primary backup to verify if any discrepancy.
- list backup of controlfile completed between "08/09/2018 20:00:00" and "09/09/2018 20:00:00"; RMAN> list backup of controlfile completed between "08/09/2018 20:00:00" and "09/09/2018 20:00:00"; using target database control file instead of recovery catalog
During a tape backup or restore, you can specify the number of tape blocks that are transferred in each read/write operation. This number is called the blocking factor. Considerations before using the dump backup Before backing up data using the dump command, you must have a clear idea of how much data you will be backing up and how many tapes ...
- Finished restore at 22-NOV-14. or. When the RMAN backup was taken, if a tag was specified, you can also restore controlfile based a tag name as shown below. RMNAN> RESTORE CONTROLFILE FROM TAG 'WEEKLY_FULL_BKUP'; or. You can also use the autobackup option to restore the controlfile as shown below: RMNAN> RESTORE CONTROLFILE FROM AUTOBACKUP;
Feb 20, 2014 · You must directly tell RMAN from which backup piece to restore the control file. Now important thing is to find which backup piece contains the backup of your control file. If we have the RMAN output log from a backup, then we will be easily able to find it. For example, here is the partial output of RMAN messages during database backup:
- RMAN> set controlfile autobackup format for device type disk to'/u01/autobackup/%F'; executing command: SET CONTROLFILE AUTOBACKUP FORMAT RMAN> restore controlfile from autobackup; Starting restore at 14-JAN-13 using channel ORA_DISK_1 recovery area destination: +FRA database name (or database unique name) used for search: SRPRIM channel ORA ...
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- Jul 11, 2013 · RMAN Backup and Recovery operation have to be done at CDB level. For RMAN a PDB is just a bunch of datafiles. Notice: If you want to restore a PDB from another CDB you have to restore the other CDB before and do an unplug an plug to transfer. 1. Backup of a PDB