(ブログ投稿画面のエラー)
Got an error: データベース接続の設定に誤りがあります: エラーが発生しました: Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)
(PLESK管理画面のエラー)
ERROR: PleskFatalException
Unable to connect to database: mysql_connect() [<a href='function.mysql-connect'>function.mysql-connect</a>]: Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)
=======以下エラーログの一部=========
130508 10:36:38 mysqld started
InnoDB: The log sequence number in ibdata files does not match
InnoDB: the log sequence number in the ib_logfiles!
130508 10:36:38 InnoDB: Database was not shut down normally!
InnoDB: Starting crash recovery.
InnoDB: Reading tablespace information from the .ibd files...
InnoDB: Restoring possible half-written data pages from the doublewrite
InnoDB: buffer...
130508 10:36:39 InnoDB: Started; log sequence number 0 **********
130508 10:36:39 [Note] /usr/libexec/mysqld: ready for connections.
Version: '5.0.77' socket: '/var/lib/mysql/mysql.sock' port: 3306 Source distribution
DBは保持されている可能性があります。
下記を参考に強制復旧してみて下さい。
http://www.ark-web.jp/sandbox/wiki/228.html