How do you suggest to prevent crashed MyISAM table?

On my site was an error:
General Error SQL ERROR [ mysqli ] - Table 'phpbb_sessions' is marked as crashed and should be repaired

I could click to repair that table in mysql manager - PHPMyAdmin and that fixed it. Also the command is: REPAIR TABLE phpbb_sessions;

But the question is how to prevent it. Someone said that MyISAM tables crash like this due to something unexpected, like a server failure, out of memory/disk space or breakdown. There is nothing i can do to prevent it if i am not a...

How do you suggest to prevent crashed MyISAM table?

from Site & Server Administration https://ift.tt/33Jemdc
via IFTTT