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Centos 7 create database mysql how to#

Access to the admin user (root) of your databaseĪlso, to perform a hot backup of your database, your database system must be using the InnoDB storage engine.

Superuser privileges on an CentOS 7 system.

To follow this tutorial, you must have the following: The Ubuntu version of this guide can be found here. The process of restoring the database from a backup is also covered.

Centos 7 create database mysql how to#

This tutorial will show you how to perform a full hot backup of your MySQL or MariaDB databases using Percona XtraBackup on CentOS 7. The resulting database backup can then be backed up to a remote location using rsync, a backup system like Bacula, or DigitalOcean backups. redo log) to the physical backups, to backfill any active transactions that did not finish during the creation of the backups, resulting in consistent backups of a running database. Then it applies the transaction log (a.k.a. Percona XtraBackup is an open source utility that can be used to circumvent this issue, and create consistent full or incremental backups of running MySQL, MariaDB, and Percona Server databases, also known as hot backups.Īs opposed to the logical backups that utilities like mysqldump produce, XtraBackup creates physical backups of the database files-it makes a copy of the data files. On the other hand, stopping the database for scheduled backups renders database-dependent portions of your application to become unavailable. it will not be usable or it will be missing transactions that occurred during the copy. Simply copying the data files of an active database will often result in a copy of the database that is internally inconsistent, i.e.

A very common challenge encountered when working with active database systems is performing hot backups-that is, creating backups without stopping the database service or making it read-only.