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How to enable InnoDB support in  MySQL ?

Posted on 2010-11-19
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Last Modified: 2012-06-27
Just installed the latest verson of MYSQL Server.  It will not start with INNODB enabled.  I need INNODB support.  I need to ENABLE it.  It is NOT Disabled in the ini file.  However, to start mysql, I need to disable it in the ini file.

The HAVE_INNODB Variable in the info-schemo database is set to NO.  I can't change this to YES.  Could this be the problem?  How do I change it ?
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Question by:pvg13
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Expert Comment

by:Umesh
ID: 34173411
Hi,

Could you post the recent error log contents???

Also, comment out if there is any skip-innodb line from the config file and make sure below line exists in the config file.. change the path "/path/to/mysql/data/" to exact path in below section.. once you ensured that below line exists then restart MySQL and confirm from show engines/ have% etc

innodb_data_home_dir = /path/to/mysql/data/
innodb_data_file_path = ibdata1:10M:autoextend
innodb_log_group_home_dir = /path/to/mysql/data/
innodb_log_arch_dir = /path/to/mysql/data/

innodb_buffer_pool_size=16M
innodb_additional_mem_pool_size=2M

innodb_log_file_size=5M
innodb_log_buffer_size=8M
innodb_flush_log_at_trx_commit=1
innodb_lock_wait_timeout=50
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Accepted Solution

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pvg13 earned 0 total points
ID: 34175389
Found the solution.

Stop Mysql Service.

Go into mysql data directory.

Locate the ib*.* files

Make a backup of the ib*.* files

Delete ib*.* files

Start Mysql Server

It recreates the files and everything is running fine!

-Pete
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LVL 26

Expert Comment

by:Umesh
ID: 34178619
Is it new instance or copied from other box? pls confirm
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Author Closing Comment

by:pvg13
ID: 34203817
Tried multitude of options and this solution was the only one that worked.
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