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主机名先修改成mysql 以后迁移完毕再修改成想要的主机名 否则后面会出错mysql.pid
hostnamectl
set
-
hostname
mysql
[root@mysql software]
# rpm -ivh MySQL-server-5.6.29-1.rhel5.x86_64.rpm
warning: MySQL-server-5.6.29-1.rhel5.x86_64.rpm: Header V3 DSA
/SHA1
Signature, key ID 5072e1f5: NOKEY
error: Failed dependencies:
libaio.so.1()(64bit) is needed by MySQL-server-5.6.29-1.rhel5.x86_64
libaio.so.1(LIBAIO_0.1)(64bit) is needed by MySQL-server-5.6.29-1.rhel5.x86_64
libaio.so.1(LIBAIO_0.4)(64bit) is needed by MySQL-server-5.6.29-1.rhel5.x86_64
解决办法： 所以提前做
[root@mysql software]
# rpm -ivh MySQL-server-5.6.29-1.rhel5.x86_64.rpm
warning: MySQL-server-5.6.29-1.rhel5.x86_64.rpm: Header V3 DSA
/SHA1
Signature, key ID 5072e1f5: NOKEY
error: Failed dependencies:
libaio.so.1()(64bit) is needed by MySQL-server-5.6.29-1.rhel5.x86_64
libaio.so.1(LIBAIO_0.1)(64bit) is needed by MySQL-server-5.6.29-1.rhel5.x86_64
libaio.so.1(LIBAIO_0.4)(64bit) is needed by MySQL-server-5.6.29-1.rhel5.x86_64
[root@mysql software]
# rpm -ivh http://mirror.centos.org/centos/6/os/x86_64/Packages/libaio-0.3.107-10.el6.x86_64.rpm
Retrieving http:
//mirror
.centos.org
/centos/6/os/x86_64/Packages/libaio-0
.3.107-10.el6.x86_64.rpm
warning:
/var/tmp/rpm-tmp
.SWTMoJ: Header V3 RSA
/SHA256
Signature, key ID c105b9de: NOKEY
Preparing...
################################# [100%]
Updating / installing...
1:libaio-0.3.107-10.el6
################################# [100%]
[root@localhost ~]
# rpm -qa mariadb*
mariadb-libs-5.5.44-2.el7.centos.x86_64
[root@localhost ~]
# yum remove mariadb-libs-5.5.44-2.el7.centos.x86_64
[root@localhost ~]
#yum install -y perl perl-devel perl-Module-Install.noarch
[root@localhost ~]
# rpm -ivh MySQL-devel-5.6.29-1.rhel5.x86_64.rpm
warning: MySQL-devel-5.6.29-1.rhel5.x86_64.rpm: Header V3 DSA
/SHA1
Signature, key ID 5072e1f5: NOKEY
Preparing...
################################# [100%]
package MySQL-devel-5.6.29-1.rhel5.x86_64 is already installed
[root@localhost ~]
# rpm -ivh MySQL-client-5.6.29-1.rhel5.x86_64.rpm
warning: MySQL-client-5.6.29-1.rhel5.x86_64.rpm: Header V3 DSA
/SHA1
Signature, key ID 5072e1f5: NOKEY
Preparing...
################################# [100%]
package MySQL-client-5.6.29-1.rhel5.x86_64 is already installed
[root@localhost ~]
# rpm -ivh MySQL-server-5.6.29-1.rhel5.x86_64.rpm
warning: MySQL-server-5.6.29-1.rhel5.x86_64.rpm: Header V3 DSA
/SHA1
Signature, key ID 5072e1f5: NOKEY
Preparing...
################################# [100%]
package MySQL-server-5.6.29-1.rhel5.x86_64 is already installed
[root@localhost ~]
#
You will
find
that password
in
'/root/.mysql_secret'
.
[root@linux-node2 ~]
# service mysql start
Starting MySQL. SUCCESS!
[root@linux-node2 ~]
#
[root@linux-node2 ~]
# /usr/bin/mysql_secure_installation #初始化密码 设置自己密码
|
需要把默认 的 --datadir 的 那个mysql拷贝到 /data 下 并赋予mysql的权限
[root@linux-node2 ~]# ps -ef |grep mysql
root 12365 1 0 23:28 pts/1 00:00:00 /bin/sh /usr/bin/mysqld_safe --datadir=/data/mysql --pid-file=/var/lib/mysql/mysql.pid
mysql 13171 12365 0 23:28 pts/1 00:00:00 /usr/sbin/mysqld --basedir=/usr --datadir=/data/mysql --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/data/mysql/mysql-error.log --open-files-limit=65535 --pid-file=/var/lib/mysql/mysql.pid --socket=/data/socket/mysql.sock --port=3306
root 13208 2804 0 23:33 pts/1 00:00:00 grep --color=auto mysql
[root@linux-node2 ~]#
看一下my.cnf
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[root@linux-node2 ~]
# cat /etc/my.cnf
[client]
port = 3306
socket =
/data/socket/mysql
.sock
default-character-
set
= utf8
[mysqld]
port = 3306
character-
set
-server=utf8
socket =
/data/socket/mysql
.sock
#basedir = /usr/local/mysql
datadir =
/data/mysql
pid-
file
=
/var/lib/mysql/mysql
.pid
user = mysql
bind-address = 0.0.0.0
server-
id
= 1
skip-name-resolve
#skip-networking
back_log = 600
max_connections = 1000
max_connect_errors = 6000
open_files_limit = 65535
table_open_cache = 128
max_allowed_packet = 4M
binlog_cache_size = 1M
max_heap_table_size = 8M
tmp_table_size = 16M
read_buffer_size = 2M
read_rnd_buffer_size = 8M
sort_buffer_size = 8M
join_buffer_size = 8M
key_buffer_size = 4M
thread_cache_size = 8
query_cache_size = 8M
query_cache_limit = 2M
ft_min_word_len = 4
log_bin = mysql-bin
binlog_format = mixed
expire_logs_days = 30
log_error =
/data/mysql/mysql-error
.log
slow_query_log = 1
long_query_time = 1
slow_query_log_file =
/data/mysql/mysql-slow
.log
performance_schema = 0
explicit_defaults_for_timestamp
#lower_case_table_names = 1
skip-external-locking
default_storage_engine = InnoDB
#default-storage-engine = MyISAM
innodb_file_per_table = 1
innodb_open_files = 500
innodb_buffer_pool_size = 64M
innodb_write_io_threads = 4
innodb_read_io_threads = 4
innodb_thread_concurrency = 0
innodb_purge_threads = 1
innodb_flush_log_at_trx_commit = 2
innodb_log_buffer_size = 2M
innodb_log_file_size = 32M
innodb_log_files_in_group = 3
innodb_max_dirty_pages_pct = 90
innodb_lock_wait_timeout = 120
bulk_insert_buffer_size = 8M
myisam_sort_buffer_size = 8M
myisam_max_sort_file_size = 10G
myisam_repair_threads = 1
interactive_timeout = 28800
wait_timeout = 28800
innodb_file_per_table = ON
sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES
[mysqldump]
quick
max_allowed_packet = 16M
[myisamchk]
key_buffer_size = 8M
sort_buffer_size = 8M
read_buffer = 4M
write_buffer = 4M
[root@linux-node2 ~]
#
|
修改socket的配置可以先停止 在启动 否则 mysql不知道socket的位置
备份数据库
mysqldump -uroot -p123456 -B mysql -F -R --master-data=2 --events --single-transaction |gzip >/opt/mysql.20170715.gz
mysqldump -uroot -p123456 -B mysql -F -R --master-data=2 --events --single-transaction >/opt/mysql.sql
gzip格式解压
gzip -d 文件名
本文转自 小小三郎1 51CTO博客，原文链接：http://blog.51cto.com/wsxxsl/1947853，如需转载请自行联系原作者
