> corrupted. The most common error messages which I encountered are : "Can't
> open file: 'tablename.MYD'. (errno: 145)" and "Got error 127 from table
> I rectified it by shutting down the MySQL Server and using "myisamchk"
> with the options -r and sometimes -o.
145 = Table was marked as crashed and should be repaired
> Is there anything I can do to avoid such errors to occur in future ?
Yes. Stop your machine from crashing :)
> Don't these errors make MySQL unreliable ?
Not at all, considering the nature of the problem.