FortiGate
FortiGate Next Generation Firewall utilizes purpose-built security processors and threat intelligence security services from FortiGuard labs to deliver top-rated protection and high performance, including encrypted traffic.
sahmed_FTNT
Staff
Staff
Article Id 333895
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

 

sda3.jpg

 

 

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:

  1. Format the bios in the device and re-write the same firmware again.
  2. Format the log disk as well (exec formatlogdisk).
  3. Restore the configuration and observe the unit.

 

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.