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problem with the MYSQL database

by edwardcarr
4 replies
Hello,
I work with the mysql database for a couple of months now could not open it, because there was an error: "Incorrect key file for table: '...'. Try to repair it"
Who can tell how open the database?
Thanks to all.
#database #mysql #problem
  • Profile picture of the author robomedia
    have you tried : mysqlcheck --repair --databases db_name ?
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    • Profile picture of the author dcmalk
      When people reply saying "search google", that's rarely helpful... but in cases of specific error messages like this, googling really is the best first step. In this case, I found several posts from stackoverflow talking about this specific issue. Have you tried any of these top recommended solutions ?

      Let me know if the problem continues!
      Signature

      Just do it, and do it better.

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  • Profile picture of the author Arshalan008
    i request you. if you fall in a problem then you search google. you got its answer.
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  • Profile picture of the author thomasbates
    To fix this do the following please or in case it isn't enough for your mysql database restoration, then I would advise you to learn helpful threads dedicated to solving MySQL issues

    http://community.office365.com/en-us...51/815406.aspx
    https://social.msdn.microsoft.com/Fo...=sqldataaccess
    https://www.repairtoolbox.com/mysqlrepair.html Repair Toolbox for MySQL - in case you can't get back mysql database, you may apply this one solution

    Force InnoDB Recovery
    1. Stop mysqld and back up all files located in the /var/lib/mysql/ directory:
    2. # /etc/init.d/mysqld stop
    3. # mkdir /root/mysql_backup
    4. # cp -r /var/lib/mysql/* /root/mysql_backup/
    5. Add the option innodb_force_recovery to the [mysqld] section in /etc/my.cnf. This option will allow you to start mysqld and create a database dump.
    6. #/etc/my.cnf
    7. [mysqld]
    8. innodb_force_recovery = 4
    NOTE: You can increase the option to five or six until you receive a proper dump.
    9. Start the mysqld service:
    10. # /etc/init.d/mysqld start
    11. Dump all databases:
    12. # mysqldump -uadmin -p`cat /etc/psa/.psa.shadow` -A | sed '1i\SET FOREIGN_KEY_CHECKS = 0;' > /root/dumpall.sql
    If the dump fails with an error that reads:
    Incorrect information in file: './psa/APSApplicationItems.frm' when using LOCK TABLES"`
    ... then you need to increase innodb_force_recovery and try to dump the databases again. If you are not able to dump the databases, try using method II ("Copy table content") or III ("Restore from the backup") below.
    13. Remove all files from /var/lib/mysql/ except the mysql folder:
    14. # rm -rf `ls -d /var/lib/mysql/* | grep -v "/var/lib/mysql/mysql"`
    15. Remove the innodb_force_recovery option from the /etc/my.cnf file and restart mysqld:
    16. # /etc/init.d/mysqld restart
    17. Check the /var/log/mysqld.log for any errors.
    18. Restore the databases from the dump:
    # mysql -uadmin -p`cat /etc/psa/.psa.shadow` < /root/dumpall.sql
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