> 1.Is DataFabric Manager server database backup proecss include DataFabric Manager server's configuration file?
It contains a lot of DFM configuration informations.
"dfm backup diag" shows you the names of the directories that are stored in the backup.
You may also replace the ".ndb" file extension to ".zip" and have a look at the content of the ZIP-Archive.
> 2.If database backup proecssor can't backup DataFabric Manager server's configuration file,how to backup DataFabric Manager server's configuration file?
As far as i know, only the SSL keys are missing in the backup.
> 3.Is DataFabric Manager server database restore process can only be perform in command line ?
Yes. Only CLI. dfm backup restore BACKUPFILENAME
There are too many people touching and trying every button they can find. 😉