| InnoDB tables, like any other database | | | | InnoDB: buffer... |
| components can be corrupted due to a logical | | | | InnoDB: Doing recovery: scanned up to log |
| crash. Few most common logical crashes that | | | | sequence number 22 3993024000 |
| occur most often are MySQLD (MySQL Server) | | | | InnoDB: Doing recovery: scanned up to log |
| improper shutdown, virus infection, application | | | | sequence number 22 3998266880..." |
| bugs, third-party software installation, and virus | | | | This error message pops up at the time of |
| infection. In most of these cases, the database | | | | InnoDB database table. After this error message |
| administrator encounters an error message that | | | | appears, the data saved in the database table |
| makes the records saved in these tables | | | | becomes inaccessible. In addition, the error |
| inaccessible. | | | | message repeatedly occurs each time you try to |
| For repairing the corrupted InnoDB tables, the | | | | open the database records. |
| database user can execute | | | | Resolution |
| "innodb_force_recovery = 4" command. In most | | | | To fix the above error message and to repair the |
| situations, this repair command works and the | | | | InnoDB database table, consider taking below |
| table comes in reusable state. However, if the | | | | actions: |
| table is severely damaged, then this utility fails to | | | | An easy way to repair a corrupted table is by |
| repair the table. For such cases, the database | | | | using an inbuilt repair utility command |
| users needs to repair the table by using an | | | | 'innodb_force_recovery=4'. |
| efficient third-party MySQL Database Repair | | | | However, if the command fails to master the |
| application. | | | | above error message and corruption persists, |
| To explain the above InnoDB table corruption in | | | | then you will need to delete the corrupted table |
| detail, consider the below error message: | | | | and restore the table from an updated backup. |
| "081107 18:28:20 InnoDB: Database was not shut | | | | However, if in case of backup unavailability or |
| down normally! | | | | insufficiency, you are not left with any option, but |
| InnoDB: Starting crash recovery. | | | | to choose a commercial mysql database repair |
| InnoDB: Reading tablespace information from | | | | utility to repair your database table. A MySQL |
| the.ibd files... | | | | Repair tool embeds powerful algorithms to repair |
| InnoDB: Restoring possible half-written data pages | | | | the corrupt InnoDB table. |
| from the doublewrite | | | | |