介绍备份和还原MySQL数据的两种方法

mysqladmin stop-slave -uroot -p
mysqldump --all-databases > fulldb.dump
mysqladmin start-slave -uroot -p
tar -czf /tmp/dbdump.tar.gz ./fulldb.dump ./mysql-relay-log.info

/var/lib/mysql/mysql-relay-bin.000002
720
mysql-bin.0000023968

mysql -uroot -p < /root/dbdump.db
stop slave;
CHANGE MASTER TO MASTER_HOST='192.168.10.201', MASTER_USER='slave_user', MASTER_PASSWORD='abc@DEF', MASTER_LOG_FILE='mysql-bin.000002', MASTER_LOG_POS=3968;
start slave;
show slave status\G

Slave_IO_Running: Yes
Slave_SQL_Running: Yes

service mariadb stop
tar --selinux --acls --xattrs -czPf /root/dbbackup.tar.gz /var/lib/mysql/
service mariadb start

service mariadb stop
tar --selinux --acls --xattrs -xzPf /root/dbbackup.tar.gz -C /
service mariadb start

150401 9:58:06 [ERROR] mysqld: File '/var/lib/mysql/mysql-bin.index' not found (Errcode: 13)
150401 9:58:06 [ERROR] Aborting

ll -Z mysql-bin.index
-rw-rw----. mysql mysql unconfined_u :o bject_r:var_lib_t:s0 mysql-bin.index

SELINUX=disabled

tar --selinux --acls --xattrs