Step 2: Run “mysqlcheck” to Check and Repair MySQL Databases Restart the MySQL server by running the following command in your Linux system: service mysqld start To back up your database file, type: cp -r /var/lib/mysql /var/lib/mysql_backupĤ. Stop your MySQL server by using any of the following commands based on your Linux distribution:įor CentOS and Fedora, enter: service mysqld stopįor Ubuntu and Debian, enter: service mysql stopģ. To back up your MySQL database files, follow these steps:Ģ. Doing so will prevent your database from further loss. Make sure to back up your database before attempting to repair it. Here, we will discuss step-wise process to repair a corrupt MySQL database on a Linux-based system: Step 1: Back up your Database Use a MySQL database repair tool to quickly repair corrupt database and restore it to the original form. Thus, troubleshooting database corruption by executing different manual steps requires time, increasing the database downtime. Note: The manual step-wise approach to repair MySQL database may differ depending on the storage engine you’re using: InnoDB or MyISAM. Methods to Repair MySQL Database in Linux Method 1 – Repairing MySQL Database Manually However, if the backup isn’t available, you can try repairing the MySQL database. You can try restoring the database from an updated backup.
When running the MySQL database on a Linux machine, the database can become corrupt due to several reasons, such as virus attack on the machine, hardware failure, etc.
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