Full backupThe most common and simple backup is to directly use the copy command to copy the version library directory to the backup directory. However, this is not a safe method, because if the version library changes during the copy process, the backup results will be inaccurate and the backup function will be lost,
Server:AliyunRequirements:For the WWW directory, perform a backup daily 1 o'clock in the morning to name the folder on today's dateCreate Wwwbak directories and bakwww.sh files in the Alidata folder as follows:Create a new Wwwbak folder and execute the following command:# mkdir Wwwbak# Chmod-r 777 WwwbakTo create a new bakwww.sh file, execute the following command# VI bakwww.shThe contents of the document are as follows:cp-af/alidata/www//alidata/wwwb
Use Xtrabackup to do a full backup. After we have installed Xtrabackup, it gives us a few command-line tools where we back up the command to use is Innobackupex, which is a script that encapsulates several xtrabackup of several command lines internally, Makes the Innobackupex very easy to use first go to the official website to download the RPM package after installation can be used this tool is generally used for local
it is to back up the database. The following describes how to back up and restore the database with ORACLE7 as an example. ORACLE databases have three standard backup methods: EXPORT/IMPORT, cold backup, and hot backup. Exporting backup is a logical backup, while cold
I. Problem Description
OS: RedHat 5.8
Database: 11.2.0.3
2 node RAC.
When using RMAN for backup, the following error is reported:
ORA-00245: control file backup failed; target is likely on a local file system
This issue only exists in RAC environments after Oracle 11gr2.
2. ORA-245 trigger conditions
ORA-00245 errors may occur in five of the following environments.
2.1 RAC environment, automatic
Brief introduction
1 • Concept of full and incremental backups2 • Full backup with mysqldump3 · Using Mysqldump for table structure backup4 • Two methods of full backup recovery5 • Incremental backup with flush logs6 • Incremental Backup recovery7 · Based on point-in-time and seat recovery8 · MySQL
The following articles mainly introduce the offline and online full backup of DB2 and the actual operation steps of Incremental backup and recovery, the following describes the offline and online full backup of DB2 and the actual operation steps of Incremental backup and recovery. We hope this will help you in your fut
Xtrabackup is a tool used to back up InnoDB data. It supports online Hot Backup (data read/write is not affected during Backup) and is a good commercial backup tool InnoDBHotbackup.
Xtrabackup is a tool used to back up InnoDB data. It supports online Hot Backup (data read/write is not affected during
Tags: style http color COM uses strongFor many beginners, it is difficult to understand the two concepts of differential and incremental backup, in this article we will explain the specific definitions and differences between incremental backups and differential backups: Definition of differential backup:Backs up data that has changed since the last full backup. Definition of incremental backup:Backs up d
Myth #20: After breaking the log backup chain, a full backup is required to restart the log chain
Error
A transaction log backup backs up all transaction logs since the last transaction log backup (if there has never been a log backup, starting with the last full
Five Backup command Options
5.1 Compression
By default, RMAN performs the compression of NULL data blocks.
5.1.1 NULL Control Compression
When using this form of compression, Oracle does not back up unused blocks of data. There are two scenarios where null block compression is performed:
(1) Data blocks that have never been used are not compressed
(2) A block of data that has been used once is not backed up, given a specific standard.
In the fi
Major server hardware vendors (such as IBM and HP) provide good data protection policies (hardware or software ). redundant Array of Independent Disks is a good data protection method. for SQL Server, a detailed data backup plan can be developed through the maintenance plan.
Data backup policy (full backup, differential ba
Restoring the database backup in the failed backup set on the server is different from the existing database. Today, a database backup is restored in SQLServer2008R2 with an error. Restoring the database backup in the failed backup set on the server is different from the exi
"Requirements description"The Windows Server R2 System state is backed up and you need to keep the system state backup data for three days, but we find that Windows Server Backup is not able to create multiple backup schedules, cannot set the number of backup copies saved, etc."Workaround" If you've used Windows Server
Major server hardware vendors (such as IBM and HP) provide good data protection policies (hardware or software ). redundant Array of Independent Disks is a good data protection method. for SQL Server, a detailed data backup plan can be developed through the maintenance plan.
Data backup policy (full backup, differential ba
A Some advantages of RMAN backup
1. RMAN detects and reports corrupted blocks of data.
2. RMAN can connect to the backup database without having to put the table space into hot backup mode. Additional build redo logs are generated during hot backup.
3. RMAN automatically tracks new data files and tablespaces so that
I. Scripting notes1.mysql data files and binary log files are best saved on different partitions or storage devices2. After the backup is complete, take care to modify the data permissions to prevent the disclosure of important information, which hosts which users can use to recover3. View the exported 2 log file to see if it is logical and business, 2 binary log files can only guarantee the physical data point-in-time restore, but does not guarantee
=myisamdefaultcharset=utf8;mysql>insert NBSP;INTONBSP;MYISAM_TBL (name) ->values (' One '), (' Joy '), (' Li '), (' Tom '), (' Jerry '), (' Hello ');### a good way to build data mysql>insertintomyisam_tbl (name ) ->selectnamefrommyisam_tbl;### Create a table mysql>createtableinnodb_tbl for the InnoDB engine (-> idINTNotnullauto_increment,->namevarchar (+), ->primarykey (ID) - >) engine=innodbDEFAULTcharset=utf8;# myisam_tbl data to Innodb_ TBL Table MYSQLGT;NBSP;INSERTNBSP;INTONBSP;INNODB_TBL (
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