percona xtrabackup 之一 setup

os: centos 7.4
db: mysql 5.7
dbbackup: xtrabackup 2.4.9

xtrabackup是一款优秀的mysql开源备份(物理备份)工具，是由percona公司开发的。

下载

官网下载
https://www.percona.com/software/mysql-database/percona-xtrabackup
https://www.percona.com/downloads/XtraBackup/LATEST/

也有git的支持
https://github.com/percona/percona-xtrabackup

文档
https://www.percona.com/doc/percona-xtrabackup/LATEST/index.html
https://www.percona.com/doc/percona-xtrabackup/2.4/index.html
Percona-XtraBackup-2.4.9.pdf

安装

主要有几种方式
1)yum Repositories方式
yum install http://www.percona.com/downloads/percona-release/redhat/0.1-4/percona-release-0.1-4.noarch.rpm
yum list|grep -i percona
yum install percona-xtrabackup-24.x86_64

2)手动rpm包安装
Percona-XtraBackup-2.4.9-ra467167cdd4-el7-x86_64-bundle.tar

3)二进制的方式
percona-xtrabackup-2.4.9-Linux-x86_64.tar.gz

4)源码编译
percona-xtrabackup-2.4.9.tar.gz

5)git方式，越来越多的项目提供git支持了
https://github.com/percona/percona-xtrabackup.git
https://github.com/percona/percona-xtrabackup

本次采用手动rpm方式

# yum install cmake openssl-devel libaio libaio-devel automake autoconf \
bison libtool ncurses-devel libgcrypt-devel libev-devel libcurl-devel zlib-devel \
vim-common libev

# cd /tmp/xtrabackup
# tar -xvf ./Percona-XtraBackup-2.4.9-ra467167cdd4-el7-x86_64-bundle.tar
# rpm -ivh ./percona-xtrabackup-24-2.4.9-1.el7.x86_64.rpm

至此，xtrabackup就算安装好了，下面来简述如何备份和还原，更灵活的用法计划再写几篇xtrabackup专题blog

# which innobackupex
/usr/bin/innobackupex
# which xtrabackup
/usr/bin/xtrabackup
# ls -l /usr/bin/innobackupex
lrwxrwxrwx 1 root root 10 Mar 26 21:06 /usr/bin/innobackupex -> xtrabackup

可以看到 innobackupex 是到 xtrabackup 的软链

# innobackupex --help
# xtrabackup --help

这两个的输出还是不太一样innobackupex --help 有这样一句描述

NOTICE: ‘innobackupex’ is deprecated, please switch to ‘xtrabackup’

所以还是安心使用 xtrabackup

Percona XtraBackup is a set of following tools:
innobackupex
innobackupex is the symlink for xtrabackup. innobackupex still supports all features and
syntax as 2.2 version did, but is now deprecated and will be removed in next major release.xtrabackup
a compiled C binary that provides functionality to backup a whole MySQL database instance with MyISAM, InnoDB, and XtraDB tables.xbcrypt
utility used for encrypting and decrypting backup files.xbstream
utility that allows streaming and extracting files to/from the xbstream format.xbcloud
utility used for downloading and uploading full or part of xbstream archive from/to cloud.After Percona XtraBackup 2.3 release the recommend way to take the backup is using the xtrabackup script. More
information on script options can be found in how to use xtrabackup.

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percona xtrabackup 之一 setup

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