[SQL ] mysql5.6 修改資料庫路徑 ?
因為硬碟空間不夠用了,想把資料移到/home下面
而且希望以後都在那下面運算(運算的時候消耗到/home的空間,/要炸了)
先修改了my.cny,把datadir設 /home/data/mysql socket也改過去
然後把/var/lib/mysql 裡面的資料都複製過去
修改/home/data/mysql的屬性(chown mysql:mysql /home/data)
gpasswd mysql root (所以說mysql在新的資料位置是有權限運作的)
最後service mysqld restart
在start的地方 [faile]
回去翻查log檔
131008 00:51:06 mysqld_safe Starting mysqld daemon with databases from
/home/data/mysql
-----------------
131008 0:51:06 [Warning] Can't create test file
/home/data/mysql/youtube.lower-test
131008 0:51:06 [Warning] Can't create test file
/home/data/mysql/youtube.lower-test
^G/usr/libexec/mysqld: Can't find file: './mysql/plugin.frm' (errno: 13)
131008 0:51:06 [ERROR] Can't open the mysql.plugin table. Please run
mysql_upgrade to create it.
^G/usr/libexec/mysqld: Can't create/write to file '/home/data/tmp/ibe3iIFH'
(Errcode: 13)
131008 0:51:06 InnoDB: Error: unable to create temporary file; errno: 13
131008 0:51:06 [ERROR] Plugin 'InnoDB' init function returned error.
131008 0:51:06 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE
failed.
131008 0:51:06 [ERROR] Can't start server : Bind on unix socket: Permission
denied
------------------
131008 0:51:06 [ERROR] Do you already have another mysqld server running on
socket: /home/data/mysql/mysql.sock ?
131008 0:51:06 [ERROR] Aborting
131008 0:51:06 [Note] /usr/libexec/mysqld: Shutdown complete
131008 00:51:06 mysqld_safe mysqld from pid file /var/run/mysqld/mysqld.pid
ended
131008 00:56:51 mysqld_safe Starting mysqld daemon with databases from
/var/lib/mysql
^G/usr/libexec/mysqld: Can't create/write to file '/home/data/tmp/ibAQO7mX'
(Errcode: 13)
131008 0:56:51 InnoDB: Error: unable to create temporary file; errno: 13
131008 0:56:51 [ERROR] Plugin 'InnoDB' init function returned error.
131008 0:56:51 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE
failed.
131008 0:56:51 [Note] Event Scheduler: Loaded 0 events
131008 0:56:51 [Note] /usr/libexec/mysqld: ready for connections.
------------
後來是改回/var/lib/mysql才回復正常使用
可是空間不夠我沒辦法把資料繼續運算下去呀囧.....
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