The design of bacula requires it. Bacula has three parts:
- The SD (storage daemon) is responsible for accessing the actual backup
tape (or file) and nothing else.
- The FD (file daemon) is responsible for accessing the data that is
being backed up or restored.
- The director tells the FD which SD to send the data to (during backup)
or from which SD to retrieve the data (during restore). Thus the name -
it "directs" what happens.
This way, in order to back up a new client machine, you just need to
install the FD, and can still use the same SD or director. The FD can
even be on a different operating system from the SD or director (for
instance, there is an FD that runs on Windows even when the SD and
director both run on Linux).
To restore, you just need *a* file daemon, rather than *the* file
daemon. You can restore to a different FD than the one used during backup.
victor wrote:
> Why must the file daemon be started when I do a restore?
> If the file daemon that I backed up is down, the restore operation will
> fail with this message:
> 03-Feb 23:58 192.168.0.191-dir: RestoreFiles.2009-02-03_23.52.10
> Warning: bnet.c:853 Could not connect to File daemon on
> 192.168.0.191:9102. ERR=Connection refused
>
> Thank you.
>
--
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