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autoxtrabackup

Automatic MySQL scheduled backups using Percona innobackupex (xtrabackup).
This script uses the innobackupex wrapper for xtrabackup from Percona, included in percona-xtrabackup.

Create full & incremental backups automatically, with configurable retention and compression, and optional e-mail output.

Requirements

Supported MySQL distributions: MySQL, Percona Server, MariaDB
Supported Linux distributions: Debian, Ubuntu, CentOS, RedHat
Dependencies: percona-xtrabackup, download from http://www.percona.com/software/percona-xtrabackup

This script has been tested on Debian 7 (Wheezy) with Percona-server 5.6.
This script has been tested on CentOS 6.4 with MariaDB-server-10.

Installation

Copy autoxtrabackup.config to /etc/default/autoxtrabackup and edit the settings
This is not mandatory, but recommended. You can also set the settings in the script directly.
Copy autoxtrabackup.sh to /usr/local/bin/autoxtrabackup
Make it executable, and set a cronjob

The script does not provide standard output. Check /tmp/backuplog

Examples

Create incremental backups each hour, and a full backup each 24 hours. Retention set to 1 week.

  • Set "hoursBeforeFull" to 24
  • Set "keepDays" to 7
  • Add a cronjob "0 * * * * /usr/local/bin/autoxtrabackup"

Create a full backup on Sunday, take incremental backups all other days. Keep backups for 1 month.

  • Set "hoursBeforeFull" to 168
  • Set "keepDays" to 31
  • Create the first backup on Sunday at the desired time, let's take 23h for example
  • Add a cronjob "0 23 * * * /usr/local/bin/autoxtrabackup"

Don't create incremental backups. Create a full backup every day at 23h, retention set to 1 week.

  • Set "hoursBeforeFull" to 1
  • Set "keepDays" to 7
  • Add a cronjob "0 23 * * * /usr/local/bin/autoxtrabackup"

Remarks

Incremental backups only apply to XtraDB & InnoDB tables.
Incremental backups of MyISAM tables are not possible, a full backup of such tables will be created each time.

Restoring

Use "./autoxtrabackup -h" for a quick reference on how to restore backups.

For more detailed information on how to restore a backup with innobackupex, visit http://www.percona.com/doc/percona-xtrabackup/2.2/innobackupex/innobackupex_script.html