Tengo un cliente que parece haber perdido todas sus bases de datos mysql de su máquina local. Están en una Mac con la que no estoy familiarizado y estoy en Ubuntu. No había archivos .MYD o .MYI en la carpeta de la base de datos, solo archivos .frm. Les hice comprimir las carpetas mysql y sight (con la vista que es la base de datos que necesitamos), y los archivos ibdata1, ib_logfile0 e ib_logfile1. Creé una segunda carpeta para mysql, / var / lib / mysql2, y moví los archivos y carpetas allí. Busqué la nueva carpeta y los archivos a mysql: mysql, edité /etc/mysql/my.cnf para apuntar a la nueva carpeta, edité /etc/apparmor.d/usr.sbin.mysqld, y luego reinicié apparmor y mysql. Sin embargo, estoy recibiendo los siguientes errores en el registro de errores de mysql:

130308 17:38:16 [Note] Plugin 'FEDERATED' is disabled.
130308 17:38:16  InnoDB: Initializing buffer pool, size = 8.0M
130308 17:38:16  InnoDB: Completed initialization of buffer pool
InnoDB: The log sequence number in ibdata files does not match
InnoDB: the log sequence number in the ib_logfiles!
130308 17:38:16  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...
130308 17:38:16  InnoDB: Error: space id and page n:o stored in the page
InnoDB: read in are 0:589824, should be 0:7!
130308 17:38:16  InnoDB: Error: page 589824 log sequence number 786432 0
InnoDB: is in the future! Current system log sequence number 0 63932940.
InnoDB: Your database may be corrupt or you may have copied the InnoDB
InnoDB: tablespace but not the InnoDB log files. See
InnoDB: http://dev.mysql.com/doc/refman/5.1/en/forcing-innodb-recovery.html
InnoDB: for more information.
InnoDB: Database page corruption on disk or a failed
InnoDB: file read of page 7.
InnoDB: You may have to recover from a backup.
130308 17:38:16  InnoDB: Page dump in ascii and hex (16384 bytes):
 len 16384; hex 0008000000090000000a0000000b0000000c00000000000000000000000202720000 (snipped because this goes on for a while)
                                                                                 Tg 9  <o q                      E                i F     /     D                ;InnoDB: End of page dump
130308 17:38:16  InnoDB: Page checksum 4146777650, prior-to-4.0.14-form checksum 1800374066
InnoDB: stored checksum 524288, prior-to-4.0.14-form stored checksum 0
InnoDB: Page lsn 786432 0, low 4 bytes of lsn at page end 0
InnoDB: Page number (if stored to page already) 589824,
InnoDB: space id (if created with >= MySQL-4.1.1 and stored already) 0
InnoDB: Page may be a freshly allocated page
InnoDB: Database page corruption on disk or a failed
InnoDB: file read of page 7.
InnoDB: You may have to recover from a backup.
InnoDB: It is also possible that your operating
InnoDB: system has corrupted its own file cache
InnoDB: and rebooting your computer removes the
InnoDB: error.
InnoDB: If the corrupt page is an index page
InnoDB: you can also try to fix the corruption
InnoDB: by dumping, dropping, and reimporting
InnoDB: the corrupt table. You can use CHECK
InnoDB: TABLE to scan your table for corruption.
InnoDB: See also http://dev.mysql.com/doc/refman/5.1/en/forcing-innodb-recovery.html
InnoDB: about forcing recovery.
InnoDB: Ending processing because of a corrupt database page.

He intentado agregar innodb_force_recovery = 4 al archivo my.cnf, lo que genera una gran cantidad de errores diferentes:

130308 17:48:30 [Note] Plugin 'FEDERATED' is disabled.
130308 17:48:30  InnoDB: Initializing buffer pool, size = 8.0M
130308 17:48:30  InnoDB: Completed initialization of buffer pool
InnoDB: The log sequence number in ibdata files does not match
InnoDB: the log sequence number in the ib_logfiles!
130308 17:48:30  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...
130308 17:48:30  InnoDB: Error: space id and page n:o stored in the page
InnoDB: read in are 0:589824, should be 0:7!
130308 17:48:30  InnoDB: Error: page 589824 log sequence number 786432 0
InnoDB: is in the future! Current system log sequence number 0 63932940.
InnoDB: Your database may be corrupt or you may have copied the InnoDB
InnoDB: tablespace but not the InnoDB log files. See
InnoDB: http://dev.mysql.com/doc/refman/5.1/en/forcing-innodb-recovery.html
InnoDB: for more information.
InnoDB: Database page corruption on disk or a failed
InnoDB: file read of page 7.
InnoDB: You may have to recover from a backup.

y un montón más, que puedo suministrar si ayuda. Cualquier sugerencia sobre qué intentar desde aquí sería muy apreciada, gracias.

Edición: intenté seguir los pasos aquí, pero tenía problemas para que mysql se ejecutara usando la secuencia de la línea de comandos que usaba:

http://blog.shiraj.com/2012/10/extract-data-from-mysql-ibdata1-data-file/