Server Crashes During MySQL Repair Operation Article

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Server Crashes during MySQL Repair Operation

Nobody knows when and why MySQL database server might crash. It might crash while you are running a query, mounting the database, or closing your database. While in most cases, a server crash is not severe, resulting into loss of very small piece of information.

Author: Gaurav Kumar

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But, it is not guaranteed that the effect of database server crash is always that minor. It might be as big as corruption of all the tables saved in the database. Such severe corruption scenarios can be dealt easily by executing Repair command.

This command acts as a complete solution and repairs almost all corrupted tables in one go. However, the problem arises when the execution is interrupted due to server crash. In such cases, the database tables are completely corrupted, making all the database records inaccessible. To overcome such database corruption scenarios, you will need to use a third-party MySQL database recovery application.

The theory above can be explained with the help of a real life example – You were working on a table and suddenly server crashed. Next when you try to access that table, you encounter an error message:

145: Table was marked as crashed and should be repaired

The database table refuses to open after the above error message appears, resulting into inaccessibility of database records. With the hope of getting the table repaired through REPAIR command, when you run the command, the server again crashes.

Cause:

MySQL server can crash due to various reasons, such as, human errors, application malfunction, and power failure.

Resolution:

Below are two easy solutions to get over the above situation:
1. The first, and the most commonly used is restoration from backup.
2. The second, is use of a third-party MySQL repair application to repair the database. This option is obviously used only when you have not maintained any database backup or your backup file is corrupted.

MySQL database repair tool information:

A MySQL database repair application can repair corrupted database tables in fraction of seconds. Whats more, the original tables remain unaffected and unchanged. These MySQL recovery utilities can be used easily and do not require any technical expertise. The utility is available in free demo version which allows the user to understand the application for free. The database repair application can be installed on most of the Windows operating systems, including, 7, Vista, and XP.

Applied for:

MySQL 5.x

About Author

Gaurav work as a freelancer and researcher for Data Recovery & SQL Database Recovery Software.
For more information visit: http://www.datarecovery-info.com/database-recovery/mysql-recovery.html

Article Source: http://www.1888articles.com/author-gaurav-kumar-36016.html

Server Crashes during MySQL Repair Operation