The suspended mode has been designed to catch unknown errors and fix them before disqualification. We do not want to disqualify nodes without concrete reasons.
So, it would help if you can found an exact reason to be suspended and fix it before the disqualification.
You can read the design here:
Since you do not have logs for the certain amount of time, It could indicate an ongoing problem and it’s can be a reason for suspension.
Did you rename or move your logs recently?
How is your HDD connected?
What is your OS?
What the type of the storagenode? Docker or Windows GUI?