使用到 xtrabackup 命令备份的时候，出现错误! Access denied； you need (at least one of) the BACKUP_ADMIN privilege(s) for this operation

使用到 xtrabackup 命令备份的时候，出现错误!

Access denied； you need (at least one of) the BACKUP_ADMIN privilege(s) for this operation

解决方案:

授权予BACKUP_ADMIN 权限.

grant BACKUP_ADMIN on *.* to 'root'@'%';
FLUSH PRIVILEGES;