Take down the MySQL daemon (with mysqladmin
Make a backup of the tables (to guard against the very
unlikely case that the repair does something bad).
Check all tables with myisamchk -s
database/*.MYI. Repair any wrong tables with
Make a second backup of the tables.
Remove (or move away) any old log files from the MySQL data
directory if you need more space.
Start mysqld with
Section 5.11.4, “The Binary Log”. If you want to find a query
that crashes mysqld, you should use
When you have gotten a crashed table, stop the
Restore the backup.
Restart the mysqld server
Re-execute the commands with mysqlbinlog
update-log-file | mysql. The update log is saved
in the MySQL database directory with the name
If the tables are corrupted again or you can get
mysqld to die with the above command, you
have found reproducible bug that should be easy to fix! FTP
the tables and the binary log to
ftp://ftp.mysql.com/pub/mysql/upload/ and report it in our bugs
database using the instructions given in
Section 1.8, “How to Report Bugs or Problems”. (Please note that the
/pub/mysql/upload/ FTP directory is not
listable, so you'll not see what you've uploaded in your FTP
client.) If you are a support customer, you can use the
MySQL Customer Support Center
https://support.mysql.com/ to alert the MySQL
team about the problem and have it fixed as soon as