How to recover the database of cyrus

 To recover the database of cyrus follow the following steps : 
 
su - cyrus
 
ctl_cyrusdb -r -x 
where,   -r : Recover the databases after an application or system failure.  Also performs database cleanup  like          
                    removing mailbox reservations (and any associated mailbox files).                  
             -x : Used with -r to recover the database only.  (Prevents database cleanup). 
                    (For more info see man page for ctl_cyrusdb)