Oracle Rman Backup in-depth analysis-online backupRman> backup Database plus archivelog;1. First, the process uses the ALTER system Archivelog current command to complete the log switching operation.2. Process will have all existing archived redo log backups3. Start the actual database
Oracle 10g rman backup and recovery 3 1. rman is actually a backup tool that coordinates this part. It means that the target database, auxiliary database, disk/sbt tape, catalog database/controlfile are connected to the above three databases at the same time to back up to th
backup operation.
1, can achieve the Rman performance
As mentioned in the Rman white Paper, the rate at which data can be backed up and recovered at tape is at 1TB per hour under current technical conditions. With the continuous development of tape backup technology, this rate is likely to become even greater.
2, t
Oracle 11g R2 rac rman backup script example
1. Switch RAC to archive Mode
1. Modify the archive mode of the database. Generally, archive is configured and the flash back area is used when RAC is installed. you can skip the steps below if you have configured archive.
SQL> alter system set cluster_database = false scope = spfile sid = '*';
2. Shut down all instanc
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First Lecture: Introduction to Backup and recovery-related operationsBackup and Recovery SolutionsSecond: Starting the Rman operation and the Rman architectureRMAN ChannelsR
the earliest point in time that the database can be recovered.Assuming that the backup strategy is fully prepared once a week, 1th and 14th of the month are fully prepared, the Recovery window is defined as 7 days, and now the date is 23rd. For number 23rd, a recovery window of 7 days means that you can ensure that the database state is restored to 7 days ago (that is, number 16th). In order to achieve this goalThe full
Oracle rman database backup and recovery in non-archive mode, mongolerman1. database Backup SQL> archive log list in non-archive mode; automatic archiving in non-archive mode in Database Log mode disable the archiving end point USE_DB_RECOVERY_FILE_DEST the earliest online log sequence 3244 the current log sequence 324
Nine Incremental backups
With incremental backups, RMAN allows users to back up only blocks of data that have been modified since the last incremental backup. Incremental backups have the following somewhat:
(1) Less use of disk or tape
(2) Reduce network broadband requirements
(3) Save backup time
You can perform incremental backups in either online or offl
The rman backup script in the Oracle database is very practical.
The rman backup script in the Oracle database is very practical.
Query character sets
SQL> select * from nls_database_parameters;
NLS_CHARACTERSETAL32UTF8
Character
Enter the Rman interfaceRman target/rman>Modify control file backup mode for automatic backupRMAN > Configure Controlfile autobackup on;Check if the control file backup is an automatic backupRMAN > Show Controlfile autobackup;View Control file Automatic backup pathRman> show
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There is an automatic backup script program for rman. I have previously written an automatic backup case for exp backup specific solution (Oracle automatic backup case for Linux platform (using exp tool)
There is an automatic
Oracle-RMAN backup (iii) I. concepts related to Incremental Backup 1. the preceding section describes the complete backup of RMAN. The full backup is the block used for the
:40Rman-06054:media recovery Requestingunknown archived log for thread 1 with sequence 31023 and starting SCN of11029786628Rman>rman> restore database from '/pddata2/oracle/backup/data/2015-03-30/full_powerdes_20150330_3395.bak ';Starting restore at 02-apr-15Using channel Ora_disk_1rman-00571:===========================================================
Note: 1 The experiment environment is the same platform, in the same byte order, in the same version. The directory structure of the source and target machines is the same. 2. You only need to install the oracle database software on the target machine. 3. Use backup for the first time to restore the test environment, copy the backup from the source machine to the
nologging;OrAlter INDEX PK_KC03 rebuild
Dbms_repair.skip_corrupt_blocks The Process settings table skips bad blocks when reading data————————-——————————————————————————————————
April 16:30:19 ur_bak01:networker savegroup: (alert) Urmdborafull completed, Total 2 client (s), 0 Hostname (s) unresolved, 1 Failed, 1 succeeded. (Ur_mdb01 Failed)RMAN-00571: ===========================================================RM
When checking the backup output script in the database today, an error occurred in the Rman backup.
This article mainly describes the phenomenon of the problem.
The error message is as follows:
bash-3.00$ More/data/backup/backup_tradedb_090523.out
Script./data/backup/bac
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