Re: [Bacula-devel] Simulating Backups

[Dan L. <da...@la...>]

On 28 Jan 2004 at 11:53, Marc Schoechlin wrote:

> Some days ago I discovered Bacula while searching for a opensouce
> solution which is capable to backup our approx. 300 servers.
> 
> Currently we are using amanda - and we are not happy with it :-)
> 
> I would like to get in touch with the internals of Bacula, and
> i have some questions:
> 
>   * Are there some documents available which describe 
>     the internal software-design of bacula ?

http://www.bacula.org/rel-manual/index.html has a section titled 
"Bacula Design Documents".

>   * Is it currently possible to store backups in files/harddisks instead
>     saving them to libraries ?
>     (This is interesting for testing, and for cheap and fast backups
>      to serial-ata-devices)

Yes.  http://www.bacula.org/rel-manual/disk.html

>   * Which operating-system do you recommend for you software ?
>     You mentioned that yo need a good pth-threads implementation.
>
>     What is a good choice regarding to performance, stability and
>     driver-support ?
> 
>     (FreeBSD 4/5 , Linux 2.4/2.6)

That gets into personal areas.  I recommend FreeBSD.  Your milage may 
vary.  Others may have different recommendations.  FreeBSD 4 is 
production, FreeBSD 5 is still development.

>   * If I have a file with the same md5-sum on different machines - 
>     is it possible to only backup this one time ?

No.  The md5 value does not affect backup ability.  It is merely 
another value stored in the catalog.

>     I saw that fingerprinting of files is still supported - maybe
>     this is also already possible ?

Google didn't find the word fingerprint anywhere on the site.  Could 
you expand upon what you mean?

-- 
Dan Langille : http://www.langille.org/
BSDCan - http://www.bsdcan.org/