备份 on Colben Notes

mysql/mariadb 备份

Wed, 30 Oct 2019 00:54:15 +0800

xtrabackup

环境

mysql 8.4
rockylinux 9.6

安装

下载与操作系统和 mysql 版本对应的通用二进制包，解压

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tar zxf percona-xtrabackup-8.4.0-5-Linux-x86_64.glibc2.34-minimal.tar.gz
mv percona-xtrabackup-8.4.0-5-Linux-x86_64.glibc2.34-minimal /opt/pxb

备份前准备工作

备份目录如果是 nfs，挂载时需指定 sync 选项

创建备份用户

CREATE USER xb@localhost IDENTIFIED BY 'Xtrabackup_1234';
GRANT BACKUP_ADMIN, PROCESS, RELOAD, LOCK TABLES, REPLICATION CLIENT ON *.* TO xb@localhost;
GRANT SELECT ON performance_schema.log_status TO xb@localhost;
GRANT SELECT ON performance_schema.keyring_component_status TO xb@localhost;
GRANT SELECT ON performance_schema.replication_group_members TO xb@localhost;

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