If you are stuffed with errors in /var/log/mysqld.log similar to:
110711 11:00:48 [ERROR] /usr/libexec/mysqld: Incorrect information in file: './anyboots_moncler_spaccio/zen_seo_cache.frm'
110711 11:00:48 [ERROR] /usr/libexec/mysqld: Incorrect information in file: './anyboots_moncler_spaccio/zen_sessions.frm'
This is a sure sign something terrible has happened with your mysql database tables that lead to corruption.
Having corrupt table in mysql installation can severely lead to data loss as well as significantly reduce the speed and performance of a MySQL server in this awful times mysqlcheck is the best friend of the administrator, here is how you can check and repair broken tables in MySQL server:
mysql-server:~# mysqlcheck --all-databases -u root -p
You will notice the corrupt sql tables will be reported as corrupt by the tool and mysqlcheck will try it’s best to recover the corrupt tables.
In most cases this should be enough to recover corrupt tables.