XtraBackup8.0 只支持mysql8.0之后的数据库备份。7.0+不支持

[root@zabbix_cn backup]# xtrabackup --default-files=/etc/my.cnf -uroot -proot --backup --backup-dir=/data/backup
xtrabackup: recognized server arguments: --server-id=114 --datadir=/data/mysql/data --tmpdir=/data/mysql/tmp --innodb_file_per_table=1 --innodb_buffer_pool_size=1G --innodb_data_home_dir=/data/mysql/data --innodb_data_file_path=ibdata1:1G:autoextend --innodb_read_io_threads=8 --innodb_write_io_threads=8 --innodb_io_capacity=3000 --innodb_flush_log_at_trx_commit=1 --innodb_log_buffer_size=32M --innodb_log_file_size=256M --innodb_log_files_in_group=2 --innodb_log_group_home_dir=/data/mysql/data --innodb_max_dirty_pages_pct=75 
xtrabackup: recognized client arguments: --port=3306 --socket=/tmp/mysql.sock --user=root --password=* --backup=1 
xtrabackup version 8.0.6 based on MySQL server 8.0.14 Linux (x86_64) (revision id: c0a2d91)
190514 20:59:34  version_check Connecting to MySQL server with DSN 'dbi:mysql:;mysql_read_default_group=xtrabackup;port=3306;mysql_socket=/tmp/mysql.sock' as 'root'  (using password: YES).
190514 20:59:34  version_check Connected to MySQL server
190514 20:59:34  version_check Executing a version check against the server...

# A software update is available:
190514 20:59:37 version_check Done.
190514 20:59:37 Connecting to MySQL server host: localhost, user: root, password: set, port: 3306, socket: /tmp/mysql.sock
Error: Unsupported server version: '5.7.22-log'.
This version of Percona XtraBackup can only perform backups and restores against MySQL 8.0 and Percona Server 8.0
Please use Percona XtraBackup 2.4 for this database.

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安装percona的yum 资料库。选择合适的xtrabackup进行备份。注意了。
yum install https://repo.percona.com/yum/percona-release-latest.noarch.rpm

 

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