Wednesday 14 October 2015

Fixing “Tablespace Error” Post power failure in MySQL


Tablespace is known as a storage object where the data are kept of MySQL database. At least one tablespace is there is MySQL which can be later on forwarded according to the requirement. The use of tablespace is to increase the performance of database but in between, corruption can also take place in all these storage units and the corruption can make all your database record inaccessible. Your MySQL tablespace can become corrupt and the reason is because of improper shutdown when there is a sudden power failure in MySQL.
When such situation comes then you will get an error message stating “Tablespace error”. So to fix the error, you should use some ways so that the corruption issue can be solved. One of the best ways to get back the corrupt data back is by using a backup. If you have backup then your data will be recovered but when you don’t have backup then your data will not be recovered but one way which is left is by using an advanced third party application.

Cause:

The reasons for the tablespace error message are due to InnoDB database tablespace gets damaged and it happens due to improper shutdown.

Resolution:

To solve the above error message, you need to follow the below mentioned steps:
·         Restart MySQL using innodb_force_recovery = 4 option.
·         Restart MySQL using innodb_force_recovery = 6 option.
·         Run ‘reiserfsck’ to fix corrupt file system.

But if the above solution does not work then you should use third party tool like MySQL file reapir tool. You will get several applications that can provide you the option to recover the damaged data. So better that you use MySQL file repair tool this is powerful recovery software. This repair tool will repair the corrupt MySQL database file. In sudden case when the database fails or requirement of reliable software to restore the important data then this repair tool meet all these requirements. This repair tool allows easy downloaded from the internet and it can be used by any one as this does not require any technical knowledge. With the help of this software, you can restore information in transact-SQL script which is accurate for quick database recreation. And also it recovers table structure and data. MySQL File Repair Software is easy to use and does not require any special skills.

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