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2023.06.26 / 09:11

[MariaDB] MariaDBÀÇ Data À§Ä¡ º¯°æÇϱâ (CentOS 7 ±âÁØ)

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CentOS 7¿¡¼­ ¼³Ä¡µÇ´Â MariaDB 5.5´Â ±âº»ÀûÀ¸·Î /var/lib/mysql¿¡ DB °¡ ÀúÀåµÈ´Ù.

ÀÌ DB °æ·Î°¡ root ÆÄƼ¼Ç¿¡ ÇØ´çµÇ´Âµ¥, ÀÌ·ÎÀÎÇØ ÆÄƼ¼Ç ¿ë·®ºÎÁ· »óȲÀ» ÃÊ·¡ÇÒ ¼ö Àֱ⿡ dataÀ§Ä¡¸¦ º¯°æÇÒ ÇÊ¿ä°¡ ÀÖ´Ù.

0) MariaDB ÀÇ data À§Ä¡ È®ÀÎ

mysql -u root -p

·Î mariadb¿¡ Á¢¼ÓÇÑ ÈÄ,

Welcome to the MariaDB monitor. Commands end with ; or \g.

Your MariaDB connection id is 2

Server version: 5.5.60-MariaDB MariaDB Server

Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

MariaDB [(none)]> select @@datadir;

+-------------------+

| @@datadir |

+-------------------+

| /var/lib/mysql/ |

+-------------------+

1 row in set (0.01 sec)

MariaDB [(none)]>

1) MariaDB ¼­ºñ½º Á¤Áö

sudo systemctl stop mariadb

2) »õ·Î¿î Data µð·ºÅ丮 »ý¼º ¹× µ¥ÀÌÅÍ º¹»çÇϱâ

(Data µð·ºÅ丮¸¦ /home/data/mysql ·Î ÇÑ´Ù´Â °¡Á¤ ÇÏ¿¡)

sudo mkdir /home/data/

sudo rsync -av /var/lib/mysql /home/data/

sudo chown -R mysql:mysql /home/data/mysql

3) my.cnf ÆÄÀÏÀ» ¼öÁ¤ÇÏ¿© MariaDBÀÇ data µð·ºÅ丮 °æ·Î º¯°æ

sudo vi /etc/my.cnf

[mysqld]

datadir=/home/data/mysql

socket=/home/data/mysql/mysql.sock

[client]

socket=/home/data/mysql/mysql.sock

#symbolic-links=0

#sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES

4) SELinux º¸¾È context Ãß°¡ ¹× ¼­ºñ½º ½ÃÀÛ

sudo semanage fcontext -a -t mysqld_db_t "/data/mysql(/.*)?"

sudo restorecon -R /data/mysql

sudo systemctl start mysql

5) º¯°æµÈ data µð·ºÅ丮 È®ÀÎÇϱâ

mysql -u root -p

·Î mariadb¿¡ Á¢¼ÓÇÑ ÈÄ,

Welcome to the MariaDB monitor. Commands end with ; or \g.

Your MariaDB connection id is 2

Server version: 5.5.60-MariaDB MariaDB Server

Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

MariaDB [(none)]> select @@datadir;

+-------------------+

| @@datadir |

+-------------------+

| /home/data/mysql/ |

+-------------------+

1 row in set (0.01 sec)

MariaDB [(none)]>

6) ±âÁ¸ data µð·ºÅ丮 »èÁ¦Çϱâ

sudo rm -R /var/lib/mysql

»èÁ¦ÇÑ ÈÄ, Çϵåµð½ºÅ©ÀÇ ÀúÀå¿ë·® È®ÀÎÀº df ·Î.

df