APM : missing MM's due to File System being full

Products

• CA Application Performance Management (APM / Wily / Introscope)

Issue/Introduction

Apparently the filesystem was full for a time and some of Management Modules files are lost. 

It seems that they were available on the GUI until the EM was restarted. 

Even in the backup folder, with the .backup extension are not available either.

Where does it write the MM's to when it is unable to write to the File System? 

Environment

APM 10.7

Cause

Configuration 

Resolution

The MMs are available from the cache / memory could have used import tool .

The Management Modules files are not saved anywhere else.