Misunderstanding #20: After the log backup chain is damaged, a complete backup is required to restart the log chain.
Error
Transaction Log backup backs up all transaction logs since the last transaction log backup (if there is no log backup, it starts from the last full
Logical backup and physical backup have their own advantages and disadvantages. Generally, physical Backup recovery is faster, occupies a large space, and logical backup is slower.
Logical backup and physical backup have their own
We can perform full backup for a small number of databases every day, because it does not take much time. However, when the database is very large, we are unlikely to perform a full backup every day, in addition, it is changed to a weekly full backup, and an incremental backup every day is similar to this
Preparations: lftp must be installed in VPS in advance. lftp is powerful. CentOS directly executes: yuminstalllftp and Debian execute: apt-getinstalllftp. You need to create the/home/backup/directory on VPS and the backup directory on FTP. If there are not many VPS databases, you can use Godaddy free space (10 GB space, 300
Preparations:
Lftp needs to be installed in VPS in advance. lftp is powerful and can
Usage type: the system load is concentrated in a certain period of time, such as 8 hours during the day, and is usually idle at night. Therefore, data can be backed up at night.
It corresponds to full-Database Backup:
Http://blog.csdn.net/jacson_bai/article/details/39636915
1. env:IP Address: 10.244.171.180/181Oracle Database Oracle 11.2.0.3OS RHEL 5.5Backup toos: rman, Shell, crontab
2. Backup Plan (increm
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
Oracle rman backup and RestorationRMAN supports Incremental Backup: databases, tablespaces, and data files.Only used blocks can be backed up as backup setIng between tablespaces and data files: dba_data_files/v $ datafile_headerIn noarchivelog mode, you can use RMAN to back up the read-only and offline tablespaces.Oracle rman downtime backup:BackupRMAN is connect
Configure swap space and file system backup, and configure swap space backup
1. Overview of swap space:
Swap Space is a mechanism used by Linux to temporarily supplement physical memory to provide more memory Space. Swap Space is helpful for computers with limited memory, but cannot replace physical memory, because it is located on the hard disk, the access speed of the hard disk is several orders of magnit
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
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
Mysql backup script and delete the backup file bitsCN.com from the previous five days
USER = root # Database username
PASSWORD = cucrzmysql # database user PASSWORD
# DATABASE = idssr # DATABASE name
For DATABASE in 'ls/mysql/data/mysql/| grep idss' # DATABASE name
Do
# WEBMASTER = 849699940@qq.com # administrator email address to send backup failure message remi
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