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1. Use rman to back up Oracle Data in the open state
Rman backup must be in archive Mode
Check whether the archive mode is used.
SQL> archivelog list;
Change to archive Mode
Shutdown immediate
Startup mount
Alter database archivelog; (alter database noarchivelog)
1. Use
Tags: full backup incremental backup data restoreScenario: Sunday full Backup, Monday, Tuesday incremental backup, Wednesday problems, found after a few minutes;Installation of the database:
yum install mariadb-server-y
systemctl start mariadb
yum Install percona-xtrabackup-
are made every night. If a data disk for a database fails at Thursday 9:12, the site can:
1 Back up the current transaction log, (failure has occurred, how to back up the current transaction log?) )
2 Restore database backup starting from Sunday night;
3
the Oracle networking configuration using TNSNames or a equivalent for Both the target and recovery catalog instances:RMAN>Connect Catalog Rcat/Rcat@rman;--Connect to the recovery catalog database Rman-00571:===========================================================RMAN-00569:===============ERROR MESSAGE STACK follow
Because the production database is large, there is not much space left on the hard disk. If RMAN is used for backup, data cannot be stored on the local computer, therefore, you need to back up data to the hard disk of another computer on the network (the hard
[Translated from mos] How To restore database and mosrestore when backup of control files is lost
How can I restore the database when the backup of the control file is lost?
Source:How to rest
Oracle Database Backup is encrypted. Encryption can protect Backup files and prevent backup data leakage. Oracle backup encryption mainly refers to RMAN encryption. EXPEXPDP encryption is not
Oracle
The contents of this chapter:
Understanding Flashback Database, restore Points and guaranteed restore Points
Logging for Flashback Database and guaranteed Restore Points
Prerequisites for Flashback Database and gu
Restore databases in different locations
Restore databases in different locations
Machine:
Select instance_name from v $ instance;
Select name from v $ database;
Select name from v $ datafile;
Log query mode:
Archive log list;
Shutdown immediate;
Startup mount;
Change the log archive mode:
Alter database archivelog;
A
, according to this information, can easily use Backup to redo slave.3. Official documents: Http://www.percona.com/docs/wiki/percona-xtrabackup:startB, what can xtrabackup doOnline (Hot) backup InnoDB, xtradb tables for the entire libraryIncremental backup based on Xtrabackup's last backup of the whole library (InnoDB
Machine A:
Select instance_name from V$instance;
Select name from V$database;
Select name from V$datafile;
Query log mode:
Archive log list;
Shutdown immediate;
startup Mount;
Change Log to archive mode:
ALTER DATABASE Archivelog;
ALTER DATABASE open;
Alter system archive log current;
Select name from V$archived_log;
To turn on control file tracking:
ALTER
Backup | data | database
Oracle9i begins Rman to provide the plus archivelog option, greatly simplifying the operation of the Rman backup.
When you define the plus Archivelog statement, Rman performs the following steps:
1. Run a
Oracle Database Backup is encrypted. Encryption can protect Backup files and prevent backup data leakage.Oracle backup encryption mainly refers to RMAN encryption, and EXP/EXPDP encryption is not available.
Tags: http hive text Backup also originally came best database backup oneTransfer from LWCCC, SQLserver2008 database backup and restore issues (restore is a must have a full
Backup and recovery data database Case 2-use online backup to restore the database.
1. Set archiving Parameters
1,
Drop database mydb
Create Database mydb
Update dB CFG for mydb using i
Tags: blog http ar using SP file Data 2014 problemFirst of all, I want to explain that you must have a full database backup, the following restore tutorial, only useful, if other problems, please search other Daniel's solution, this method is only suitable for beginners.This connection is the webmaster adult's unusual recovery method, has the question to study ht
the core system. Let's take a look at the following example:
Suppose we have a database named TEST, which uses archive logs. One day, the system suddenly loses power, causing damage to the disk stored in the database. At this time, the database will be unavailable. As a DBA, We need to quickly
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