Check https://me.sap.com/notes/0001895419. That has the answer you are looking for.

You mean changed time in the log volume on the file system?

We are running into the same issue.  Thank you for this blog.  

I have read on the Fast Restart feature and looking into implementing it but have a question on it. What decides which tables to keep persistent memory in tempfs?  I understand that you have to tell Hana which tables to keep in persistent memory usin...

Thank you. Are you using tmpfs in the non-prod HANA environment as well?