Fixing Innodb Database Page Corruption

MySQLD (MySQL Sever) crash can occur when it accesses or encounters a corrupt InnoDB database page

. In most cases of MySQLD crash, the database becomes unmountable, rendering to inaccessibility of all its saved records. In addition, the server exhibits an error message that consists of information related to corrupt database page. An ideal way to get past the error message is by restoring the database from a valid database backup. But, there are numerous situations wherein the database user either forgets to create a database backup or the backup fails to restore required data. In such situations, an InnoDB database user needs to repair the database using an advanced third-party MySQL Recovery application.

For deep analysis of the above scenario, consider a practical case wherein you try to mount your MySQL database and encounter the below error message:

Version: '5.0.20-nt' socket: '' port: 3306 MySQL Community Edition (GPL)

InnoDB: Error: page n:o stored in the page read in is 2719, should be 3383!

InnoDB: Error: page n:o stored in the page read in is 2720, should be 3384!

InnoDB: Database page corruption on disk or a failed

InnoDB: file read of page 3384.

InnoDB: You may have to recover from a backup.

060725 6:59:18 InnoDB: Page dump in ascii and hex (16384 bytes):

The above error message does not allow you to access your database records.

Cause:

The above InnoDB corruption error message appears owing to corruption in database page which is due to operating system failure or hardware issue.

Resolution:

Few steps that can help you get past the above error message are discussed below:

As prescribed in the error message, restore the database from an updated backup.

However, in case of absence of an adequate backup, use an effective MySQL Repair application to repair the database.

A MySQL Database Repair utility uses advanced repair methods to repair corrupt MySQL database after any logical crash. The repair utility is easy-to-operate, ensures safe repair of database, and provides an option to save the repaired database at specified location.

MySQL fulfills all the requirements of being the finest MySQL Repair utility. Compatible with both InnoDB and MyISAM, the repair software supports MySQL 5.x and 4.x. Designed for Windows 7, Vista, 2003, XP, and 2000, the repair software does not modify or delete the original database.

by: Naveen Kadian

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