Hello the problem is still there.
All NetVault Server are set ( in Configuration / Reporting / Stats Provision / Minimum stats manager cache (records) ) to 60.
But I get the notification:
Automatic Netvault Event Notification:
Event name = 'Cache Too Small'
Event class = 'Stats Collection'
Cache of 50 for table 'driveevents' is too small. The Stats Manager will be working slowly. Consider enlarging the minimum table cache size.
It is not possible to add the Clientname :-(