OSError: [Errno 5] Input/output error

The model training stopped in the middle of the night with I/O error, apparently it is due to physical disk problem, and i tested it is randomly occur. the consequence is that make my pod idling for at least 6 hours, and i paid for it. 1. How to stop it happen again? 2. Can i claim it back for those idling hours? I can provide you the log and my pod number