啟動mysql 失敗，“Warning:The /usr/local/mysql/data directory is not owned by the 'mysql' or '_mysql' ”

一、Mac OS X的升級或其他原因可能會導致ＭySQL啟動或開機自動運行時 在ＭySQL操作面板上會提示“Warning:The /usr/local/mysql/data director ...