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Move IBDATA

Posted on 2011-03-25
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Last Modified: 2012-06-21
I am trying to move the ibdata files to a new drive on my server (Red Hat), but am running into some issues. Here are the steps that I took:

1. Stop the MySQL Service
2. Edit the my.cnf file by adding the following lines:


innodb_log_group_home_dir=/db/idbdata
innodb_data_file_path=ibdata1:10M:autoextend
innodb_log_files_in_group=2
innodb_data_home_dir=/db/idbdata

3. Copy the ibdata1 file and the two ib_logfiles from /var/lib/mysql to /db/ibdata
4. Start the MySQL service backup

When I query any of the tables, specifically innodb tables I get the following error:

ERROR 1033 (HY000) on InnoDB configuration error
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Question by:plecostomus
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3 Comments
 
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Expert Comment

by:tsmgeek
ID: 35221600
look at the .err log file in /var/lib/mysql/ as that will give a more detailed error
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Author Comment

by:plecostomus
ID: 35223682
The error message says the same thing. What is weird, is I changed the size of the inndob file the my.cnf file from 50M to the current size of the file on disk and it worked.
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Accepted Solution

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tsmgeek earned 2000 total points
ID: 35223699
Settings regarding the data files have to be the same when moving INNODB from server to server.
Very annoying it does not flag errors.
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