Mysql Cluster的备份和恢复_MySQL
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a) 备份:采用ndb_mgm管理客户端来备份
在管理节点执行ndb_mgm即可进入管理命令行,如上图!
输入start backup备份所有节点,如果后面还跟着对应数据节点的id就只备份对应的数据节点
b) 恢复:使用命令ndb_restore进行恢复,具体过程如下:
启动管理节点
/usr/bin/ndb_mgmd -f /usr/local/mysql/mysql-cluster/config.ini --reload
启动数据节点:
/usr/bin/ndbd --initial
第一个节点恢复的时候
/usr/bin/ndb_restore -c 192.168.100.223 -n 11 -b 1 -m -r --backup_path=/data/dbdata1/BACKUP/BACKUP-1/
其他节点恢复的时候(以后的节点不需要加-m参数)
/usr/bin/ndb_restore -c 192.168.100.223 -n 11 -b 1 -r --backup_path=/data/dbdata1/BACKUP/BACKUP-1/
其中192.168.100.223为管理节点的IP,-n后面接的是节点id,-b要还原的backupid,-r 数据开关,也就是还原数据了,-m 还原表结构
导入完表结构以后就可以进行并行恢复了!
恢复的时候需要用到mysqld节点,因此需要添加多个空的mysqld节点,空mysqld节点至少应该和你的mysqld节点数据相同。
当恢复硬盘表的时候,使用-initial初始化以后,不需要重新创建数据文件组、redo日志文件、表空间和数据文件,还原的时候会自动创建
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