The database space troubleshooter finished on volume %1 for database %2. The database is over the expected threshold, but ...

Exchange Server 2010

The database space troubleshooter finished on volume %1 for database %2. The database is over the expected threshold, but is not growing at an unusual rate. No action was taken. 
EDB drive free space: %3 B 
Log drive free space: %4 B 
Free space threshold: %5% 
Log Free space threshold: %6% 
Hour threshold: %7 Hrs 
Growth rate threshold: %8 B/Hr 
Initial growth rate: %9 B/Hr 
Final growth rate: %10 B/Hr

The database signature does not match the log signature for database %4. For more information, click http://www.microsoft.com/contentredirect.asp. ... The database space troubleshooter detected a low space condition on volume %1 for database %2. Provisioning for this database ... The database space troubleshooter finished on volume %1 for database %2. No problems were detected. EDB drive free space: ... The database space troubleshooter finished on volume %1 for database %2. The database is over the expected threshold and ... The database space troubleshooter finished on volume %1 for database %2. The database is over the expected threshold, but ... The database space troubleshooter finished on volume %1 for database %2. The database is over the expected threshold. Users ... The database space troubleshooter has detected a critically low space condition on volume %1 for database %2. Provisioning ... The database that you specified, {0}, appears more than once, Provide a unique database name in the WritableDatabaseObject ... The database to be accessed from the server is not mounted or is not available. See the inner exception for more information. ...