title: Mysql won't start - ibdata1 corrupt? - operating system error number 13 - permissions issue
body: <p>Server shutdown from power failure.<br>
  Mysql will not start now.<br>
  Disk is not full.
  Syslog is below</p>
  
  <pre><code>Oct 11 15:03:31 joe mysqld_safe[24757]: started
  Oct 11 15:03:31 joe mysqld[24760]: 101011 15:03:31  InnoDB: Operating system error number 13 in a file operation.
  Oct 11 15:03:31 joe mysqld[24760]: InnoDB: The error means mysqld does not have the access rights to
  Oct 11 15:03:31 joe mysqld[24760]: InnoDB: the directory.
  Oct 11 15:03:31 joe mysqld[24760]: InnoDB: File name ./ibdata1
  Oct 11 15:03:31 joe mysqld[24760]: InnoDB: File operation call: 'create'.
  Oct 11 15:03:31 joe mysqld[24760]: InnoDB: Cannot continue operation.
  </code></pre>