RMAN backup and recovery management tool, 1. offline backup (Consistent backup cold backup when the database is not open, the SCN number in the control file and SCN number 1 in all data files
RMAN backup and recovery management tool, 1. offline backup (Consistent backup cold backup when the database is not open, the SC
rows selected As can be seen here, in the case of the exp DMP file is partially damaged, or can be directly read the DMP file to recover all or part of the exp DMP file content (the specific amount of recovery depends on the degree of damage to the DMP file) --------------------------------------ORACLE-DBA---------------------------------------- The most authoritative and professional case of Oracle Case resource Summary: Oracle EXP DMP file Corrupt
strange, because it uses in the MySQL source code on the way to build the installation of the patch.
2. Installation:
wget http://www.percona.com/downloads/XtraBackup/XtraBackup-1.4/Linux/binary/i686/
Tar zxf xtrabackup-1.4.tar.gz
CD xtrabackup-1.4
./configure
Make
When you do this, do not make install, then you will install MySQL, the correct way is:
CD innobase/xtrabackup/
Make
Make install
Installation reference: Http://www.percona.com/docs/wiki/percona-xtrabackup:installation:fro
Extundelete linux data recovery tool, extundeletelinux
1. Introduction to extundelete
1. extundelete file recovery tool. The most powerful tool is ext3/ext4 dual-format partition recovery.
2. During the actual online
PRM an Oracle database disaster recovery ambulance Tool
In the real world, I believe many of my friends have encountered database or file system damages, and suddenly precious data cannot be accessed, which is too fatal for companies that use data as the foundation. In most scenarios, standard RMAN-based recovery procedures can solve such problems.
In a few scena
PRM can work based on corrupted file systems, asmdiskgroups, and data files. If the Oracle Data Dictionary is available, it uses a Dictionary to simplify recovery.
PRM can work based on corrupted file systems, ASM Diskgroup, and data files. If the Oracle Data Dictionary is available, it uses Dictionary to simplify recovery.
In the real world, I believe many of my friends have encountered database or fi
, Recovered_files is created in the current directory to hold the recovered files: The MD5 checksum shows that our data recovery was successful.To restore a single directory:[Email protected] mnt]# EXTUNDELETE/DEV/VDB1--restore-diretory/yumRecover All Files[Email protected] mnt]# EXTUNDELETE/DEV/VDB1--restore-allRecover data for a time period:Extundelete provides the--after and--before parameters that can be specified to restore data over a period of
Tags: keyword--synchronous loading targe out technology OSS based on1. The Redis recovery mechanism
If only AOF is configured, the AOF file recovery data is loaded when the reboot is restarted;
If both RDB and AOF are configured, the boot is only loaded with AOF file recovery data;
If only the RDB is configured, startup is the load dump file to r
Tags: mysql percona xtrabackup1. IntroductionXtrabackup is an open-source, free MySQL database backup tool provided by Percona, which is able to perform hot backups of InnoDB and XTRADB databases, which, according to official introduction, has the following features:1. The backup process is fast and reliable;2. The backup process does not interrupt the executing transaction;3. Can save disk space and traffic based on functions such as compression;4. A
This article describes how to use the Rman tool to automatically back up the control file dump and reply to the database when all the control files are lost;
This article describes how to use the Rman tool to automatically back up the control file dump and reply to the database when all the control files are lost;
This article describes how to use the Rman tool
Testdisk can be used to recreate a partition table to restore lost partitions.Photorec can restore various types of filesTestdisk is opensource software and is licensed under the terms of the GNU General Public License (GPL ).TestdiskIsPowerfulFree data recovery software! It was primarily designed to helpRecover lost partitionsAnd/orMake non-booting disks bootable againWhenThese symptoms are causedFaulty Software, Certain typesVirusesOrHuman error(Suc
Original: ApexSQL log-sql Error-Operation recovery ToolToday accidentally performed a mis-operation of the database, wondering if there is any tool to recover this error operation? The log Explorer 4.2 was found, but unfortunately it only supported SQL 2005, could not be used on SQL 2008, and then found ApexSQL log, with the latest version supporting SQL 2008 and SQL 2012. The trial version offers a free 14
Although Samsung introduced the fix last October, it was reported last month that some of the Samsung 840 EVO SSDs face the problem of reading off the old data after it has been brushed into the new firmware. In view of this, Samsung issued the following statement in the afternoon of Friday: "In October, Samsung launched a 840 EVO SSD firmware tool that only fixes old data read-off, but a small percentage of users said they would encounter the same pr
Mondo Rescue is an open-source free fault recovery and backup tool. You can easily create a complete (Linux or Windows) cloned or backed up ISO image, these images can be stored on CD, DVD, tape, USB device, hard disk, and NFS. Mondo Rescue can also be used to quickly restore or redeploy a working image to another system. In case of data loss, you can restore as full system data as possible from the backup
text often because some of the format is not garbled, text recovery converter How to use? We can refer to the Word Document garbled Repair Tool tutorial, to learn it.
How the text recovery converter uses the Word document garbled Repair Tool tutorial
The last paragraph symbol in the Word document records the
Before we go through the incomplete recovery case walkthrough, we need to learn how to use the Logminer tool. The tool mainly digs the redo log to find out the DDL or DML operations made at a point in time (including: Point-in-time, DataBlock SCN, SQL statement)
1. Analysis of DML
Sql> select * from SCOTT.TB01;
Id
----------
1
2
3
3 Rows selected.
Sql> D
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