If your data is on the system drive too, it’s kind of expected. Is your system drive SSD?
The statistics for September is not showing for everyone:
Your node can also work without databases and it will still be rewarded, but the Stat on your dashboard will be wrong.
I would like to suggest to check your databases and fix them, they may be corrupted after the system crash:
If databases are corrupted and you do not want to spend time to recover malformed, you may re-create them:
In a latter case your Stat and historic data will be lost though, but it doesn’t affect earnings.