Created on 08-17-2024 12:26 AM Edited on 01-21-2025 11:44 AM By GinaEnriquez
Description | This article describes, that in some cases, it can be possible to see the 'previous I/O error to superblock detected' error in the Console output. |
Scope | FortiGate. |
Solution |
If observing the below error in the console or events:
previous I/O error to superblock detected previous I/O error to superblock detected previous I/O error to superblock detected
This error means that the system was unable to read/write to some cells on the disk. It might be caused by firmware (wrong/incomplete write cycle terminated by the power cycle or so) or by hardware failure in some parts/tracks/cells of the disk.
It is suggested to reboot the device and observe if the errors will persist. Otherwise, it is possible to perform:
To format and re-upload the image using the TFTP server: Technical Tip: Formatting and loading FortiGate firmware image using TFTP.
In the case that the format does not resolve the issue and the error is observed again, perform the HQIP test and provide the output in the TAC ticket. |