xtrabackup 使用

创建具有完全备份所需的最小权限的数据库用户的SQL示例如下

mysql> CREATE USER 'bkpuser'@'%' IDENTIFIED BY 's3cret';
mysql> GRANT RELOAD, LOCK TABLES, PROCESS, REPLICATION CLIENT ON *.* TO
'bkpuser'@'localhost';
mysql> FLUSH PRIVILEGES;

OTHER CONNECTION OPTIONS
According to your system, you may need to specify one or more of the following options to connect to the server:

Option Description
–port The port to use when connecting to the database server with TCP/IP.
–socket The socket to use when connecting to the local database.
–host The host to use when connecting to the database server with TCP/IP.

# Start a server to send backups when requested by peers.
exec ncat --listen --keep-open --send-only --max-conns=1 3307 -c \
"xtrabackup --backup --slave-info --stream=xbstream --host=127.0.0.1 --user=${MYSQL_REPLICATION_USER} --password=${MYSQL_REPLICATION_PASSWORD}"

xtrabackup --defaults-file=/etc/mysql/my.cnf --stream=xbstream --host=192.168.25.31 –-port=30307 --user=bkpuser --password=s3cret --backup

innobackupex --user = DBUSER --password = SECRET / path / to / backup / dir /
innobackupex --user = LUKE --password = US3TH3F0RC3 --stream = tar ./ | bzip2 -