title: InnoDB Error in Mysql
body: <p>Last night the server was upgraded from a MySQL server with InnoDB Cpanel have much of a problem when MySQL server will shut down!
  Because many of the sites on vps in their database to InnoDB Engine Table Does not have put up their site and say</p>
  
  <pre><code>error: Unknown table engine 'InnoDB' 
  </code></pre>
  
  <p>Error</p>
  
  <p>It will enable the mysql server but it did not put the InnoDB!
  The mysql command </p>
  
  <pre><code>show engines; 
  </code></pre>
  
  <p>I noticed the following result which is not InnoDB Result</p>
  
  <pre><code>mysql&gt; show engines;
  
   | Engine | Support | Comment | Transactions | XA | Savepoints |
  
   | MyISAM | DEFAULT | Default engine as of MySQL 3.23 with great performance | NO | NO | NO |
   | MRG_MYISAM | YES | Collection of identical MyISAM tables | NO | NO | NO |
   | BLACKHOLE | YES | / dev / null storage engine (anything you write to it disappears) | NO | NO | NO |
   | CSV | YES | CSV storage engine | NO | NO | NO |
   | MEMORY | YES | Hash based, stored in memory, useful for temporary tables | NO | NO | NO |
   | FEDERATED | NO | Federated MySQL storage engine | NULL | NULL | NULL |
   | ARCHIVE | YES | Archive storage engine | NO | NO | NO |
  
   7 rows in set (0.00 sec) 
  </code></pre>
  
  <p>Log into mysql server gives an error ... </p>
  
  <pre><code>121105 18:26:50 mysqld_safe Starting mysqld daemon with databases from / var / lib / mysql
   121105 18:26:50 [Note] Plugin 'FEDERATED' is disabled.
   121105 18:26:50 InnoDB: Initializing buffer pool, size = 8.0M
   121105 18:26:50 InnoDB: Completed initialization of buffer pool
   InnoDB: Error: log file ./ib_logfile0 is of different size 0 268435456 bytes
   InnoDB: than specified in the. Cnf file 0 536870912 bytes!
   121105 18:26:50 [ERROR] Plugin 'InnoDB' init function returned error.
   121105 18:26:50 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
   121105 18:26:50 [Note] Event Scheduler: Loaded 0 events
   121105 18:26:50 [Note] / usr / sbin / mysqld: ready for connections.
   Version: '5 .1.65-cll 'socket:' / var / lib / mysql / mysql.sock 'port: 3306 MySQL Community Server (GPL)
  </code></pre>
  
  <p>in my.cnf innodb settings for both are: </p>
  
  <pre><code> innodb_fast_shutdown = 0
   innodb_log_buffer_size = 8M
   innodb_log_file_size = 512M
  </code></pre>
  
  <p>Thanks, plz help me to solve the problem.</p>