Langkah memperbaiki Database MySQL/MariaDB yang bermasalah.
1. Edit file /etc/my.cnf dan tambahkan baris
innodb_force_recovery = 1
Code (Text):
[mysqld]
innodb_force_recovery = 1
Bila masih gagal, ganti dengan angka 2 atau 3 dan seterusnya.
2. Aktipkan MySQL/MariaDB Server
Code (Text):
#service mysql restart
3. Masuk ke MySQL
Code (Text):
#msyqlWelcome to the MySQL monitor. Commands end with ; or \g.Your MySQL connection id is 46560
Server version: 5.5.61-cll MySQL Community Server (GPL)
Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql>
4. Export semua database :
Code (Text):
mysqldump --all-databases > /backup/alldatabases.sql
5. Hentikan MySQL/MariaDB Server
Code (Text):
mysqladmin flush-tables
sleep 240
mysqlstop
6. Salin semua folder mysql ke folder baru.
Code (Text):
rsync -avz /var/lib/mysql /backup/
7. Hapsu folder mysql.
Code (Text):
cd /var/lib/mysql/
rm -rf /var/lib/mysql
8. Bangun ulang database MySQL/MariaDB
Code (Text):
mysql_install_db --user=mysql
9. Berikan mode 0755 ke folder yang terbentuk.
Code (Text):
chmod 0755 /var/lib/mysql
10. jangan lupa berikan comment atau hapus kode
innodb_force_recovery = 1 di file /etc/my.cnf
Code (Text):
[mysqld]
#innodb_force_recovery = 1
11. Aktipkan MySQL/MariaDB
Code (Text):
#service mysql start
12. rename file /root/.my.cnf
Code (Text):
mv /root/.my.cnf /root/disable.my.cnf
13. masuk ke MySQL/MariaDB dan import backup sebelumnya
Code (Text):
mysql < /backup/alldatabases.sql
14. rename kembali /root/disable.my.cnf
Code (Text):
mv /root/disable.my.cnf /root/.my.cnf
15. Terakhir restart MySQL/MariaDB server
Code (Text):
service mysql restart
