If an FIM or FPM has boot device I/O errors, messages similar to the following appear during console sessions with the module:
EXT2-fs (sda1): previous I/O error to superblock detected
EXT2-fs (sda3): previous I/O error to superblock detected
If you see boot device I/O errors similar to these, you should contact Fortinet Support (https://support.fortinet.com) for assistance with finding the underlying cause of these errors.
Once the underlying cause is determined and resolved, you use BIOS commands to reformat and restore the affected boot device as described in the following sections.