应用于DC1 -> DC2

或者 mysql replication

DC2,接收端：

监听接口1234

nc -l 1234 | tar ixvf - 2> xtrabackup.log

root@python-develpment:/script/slave# nc -l 1234 | tar ixvf - 2> xtrabackup.log

DC1，发送端，备份端

innobackupex --defaults-file=/data/3308/my.cnf --user=root --password=123456 --stream=tar ./ | nc 192.168.134.130 1234

[root@mysql-master backup]# innobackupex --defaults-file=/data/3308/my.cnf --user=root --password=123456 --slave-info --stream=tar ./ | nc 192.168.134.130 1234

170619 16:57:07 [01] Streaming ./pcik_log_dep/t_redbag_get.frm to <STDOUT>

170619 16:57:07 [01]...done

170619 16:57:07 [01] Streaming ./pcik_log_dep/t_trade.frm to <STDOUT>

170619 16:57:07 [01]...done

170619 16:57:07 [01] Streaming ./pcik_log_dep/t_mail_del.frm to <STDOUT>

170619 16:57:07 [01]...done

170619 16:57:07 Finished backing up non-InnoDB tables and files

170619 16:57:07 [00] Streaming xtrabackup_slave_info

170619 16:57:07 [00]...done

170619 16:57:07 [00] Streaming xtrabackup_binlog_info

170619 16:57:07 [00]...done

170619 16:57:07 Executing FLUSH NO_WRITE_TO_BINLOG ENGINE LOGS...

xtrabackup: The latest check point (for incremental): '370373412'

xtrabackup: Stopping log copying thread.

.170619 16:57:07 >> log scanned up to (370373421)

170619 16:57:07 Executing UNLOCK TABLES

170619 16:57:07 All tables unlocked

170619 16:57:07 [00] Streaming ib_buffer_pool to <STDOUT>

170619 16:57:07 [00]...done

170619 16:57:07 Backup created in directory '/backup'

MySQL binlog position: filename 'mysql-bin.000017', position '4497'

MySQL slave binlog position: master host '127.0.0.1', filename 'mysql-bin.000028', position '154'

170619 16:57:07 [00] Streaming backup-my.cnf

170619 16:57:07 [00]...done

170619 16:57:07 [00] Streaming xtrabackup_info

170619 16:57:07 [00]...done

xtrabackup: Transaction log of lsn (370373412) to (370373421) was copied.

170619 16:57:07 completed OK!

出现completed OK! 代表备份完成