Resolving Error 29 In Mysql Database

Mysqldump is a backup program that allows you to dump MySQL database(s) or transfer the records to another SQL Server

. The dump contains SQL statements that can either populate the table or create the table. While the backup program creates backup in most cases, the program gets halted when your database gets corrupted or damaged. In most of these situations, you encounter an error message that does not allow you to create a backup. To overcome these situations, you will need to use an advanced MySQL Repair tool to repair the corrupted or damaged MySQL database.

Consider a practical scenario, where you try and do a mysqldump, and encounter the below error message:

[root@www diaendomet]# mysqldump -ucojjohealth -p --all-databases >

alldatabases.sql

Enter password:

mysqldump: Got error: 29: File '../diaendomet/users.MYD' not found

(Errcode: 2) when using LOCK TABLES

The same error message appears each time you attempt to run mysqldump. In addition, the mysqldump halts every time it encounters the above error.

Cause:

The fundamental cause for the occurrence of the above error message is corruption of MySQL database. Few main reasons for MySQL database corruption are improper system shutdown, virus attack, and application malfunction.

Resolution:

To resolve the above error message, you will need to run the below command:

mysqlcheck --all-databases --auto-repair -ucojjohealth -p

While the above command repairs corrupted databases in most cases, there is a possibility of getting a new error message after this command:

error: File '../diaendomet/users.MYD' not found (Errcode: 2)

If you encounter the above error message, then your database has been corrupted badly. To repair your database in such situations, you will need to use third-party MySQL Database Recovery tools. MySQL Recovery utilities provide advanced, complete, and risk-free database repair applications that repair damaged MySQL database while maintaining the intactness of data. These tools employ high-end scanning mechanisms to comprehensively repair the corrupted MySQL databases. With to-the-point documentation, the tools serve as self-explanatory and repair-centric tools.

by: Naveen Kadian

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